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What type of permit do you need?
Search this document library for application materials, documents, and additional resources such as handouts and instructions for your building or land use permitting project.
- Adult family homes
- Already built construction (ABC)
- Binding site plans
- Boundary line adjustments
- CAD (computer-aided design) templates
- Cellular communication facilities
- Clearing grading permits
- Commercial construction
- Commerical tenant improvements
- Commercial sign
- Conditional use permits
- Conversion option harvest plan
- Critical area alteration exception
- Fees
- Fire permits
- Flood hazards, floodplain development
- Forest practice moratorium relief
- Land use short subdivision
- Land use subdivisions
- Legal lot status
- Lot merger
- Master drainage plans
- New single-family construction
- Non-residential mechanical permits
- Pre-applications
- Reasonable use exceptions
- Residential accessory building misc. structure permits
- Residential manufactured homes
- Residential mechanical permits
- Residential swimming pools
- Revisions to issued permits
- Rezones
- Right-of-way use permits
- Road standards variances
- SEPA (State Environmental Policy Act)
- Shoreline exemptions
- Shoreline packet
- Single family remodel, addition, repair
- Special use permits
- Surface water drainage
- Temporary use permits
- Zoning code variances
Adult Family Homes
Adult Family Home Inspection Checklist
Washington State AFH Building Inspections
Adult Family Home Inspection Checklist (2021 IRC)
Adult Family Home Inspections
The permit process (227KB) is available at MyBuildingPermit.com
Application, permit; Applicant Affidavit
Residential Drainage Review Requirements
Site Areas Worksheet
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Data Resources
Water Service Requirements
Already Built Construction (ABC)
Already Built Construction (ABC) Pre-Application Meeting
Already Built Construction (ABC) Application
The application form for the Already Built Construction Packet is not available online. Please call 206-296-6680 and request an application.
Application, permit; Applicant Affidavit
Health Department Approval of Building Permit Application
Helpful Information About Other Agencies: Electrical, Power Pole, Elevator, Septic, Plumbing & Gas Piping Permits
Residential Drainage Review Requirements
Site Areas Worksheet
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Binding Site Plans
Binding Site Plan Application
Binding Site Plan Submittal
Boundary Line Adjustments
Handouts
Boundary Line Adjustment Permit
Boundary Line Adjustment: Procedures Following the Approval Process
Residential Building Permit Agencies, Who does what
Legal Lot Status
Proof of Legal Lot Information
Legal Lot Status Determination Service
Boundary Line Adjustment: Title Page Template
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Property Research Guide and Worksheet
Forms
Boundary Line Adjustment Permit
Available on MyBuildingPermit.com
Critical Areas Compliance Affidavit
Boundary Line Adjustment Owner Information
Applicant Status
Public Agency, or Public Utility or Private Utility
Corporation or Business Association
Boundary Line Adjustment: Seattle - King County Public Health Department
Application for Review of Boundary Line Adjustment or Rezone
Cellular Communcation Facilities
Cellular Communication Antenna and Tower Applications
Available on MyBuildingPermit.com
Cellular Communication Antenna and Tower
Cellular Communication Antenna and Tower - Supplemental Information
Site Areas Worksheet
Landscape Bond Quantity Worksheet Form
SEPA Checklist
See, State Environmental Policy Act (SEPA) Process packet
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Clearing and Grading Permits
Clearing Permit Application Checklist
Clearing and Grading Permit Information
Hazard Tree Removal Information and Application Checklist
Residential Site Plan Requirements
Residential Drainage Review Requirements
Grading and Reclamation Liability Insurance Requirement
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Site Areas Worksheet
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Computer Aided Design (CAD) Templates and Data Resources
Boundary Line Adjustment, Site Plan
Electronic Plan Requirements
Permitting requirements (183KB)
Available on MyBuildingPermit.com:
Fuel Tanks, Site Plan
Plat, Final, Title Page
Plat Sheets, Final
Short Subdivision (Short Plat) Title Page, Final
Short Subdivision (Short Plat) Alteration, Title Page
Site Plan, General,11" x 17"
Site Plan Template, General, 22" x 34"
Site Plan Template, General, 24" x 36"
Site Plan for Temporary Erosion and Sediment Control (TESC), 11" x 17"
Site Plan for Temporary Erosion and Sediment Control (TESC), 22" x 34"
Site Plan for Temporary Erosion and Sediment Control (TESC), 24" x 36"
Site Plan Residential Examples,11" x 17"
Temporary Erosion and Sedimentation Control (TESC) (383KB)
Site Plan, Standard Engineering, 24" x 36"
King County
GIS Mapping and Data Resources
Road Design and Construction Standards
Federal Highway Administration
Manual on Uniform Traffic Control Devices for Streets and Highways
Washington State Department of Transportation
Commercial - Tenant Improvements
Change of Use, Tenant Improvement
Energy Code Worksheets for Commercial Construction (2018 WSEC with King County amendments – found in KCC 16.07)
Lighting Budget Calculation Form
For 2021 WSEC projects, please use state forms found at WSEC Commercial Technical Support Website
Tenant Improvement
Sewer Availability
Certificate of Sewer Availability
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Water Service Requirements
Commercial Construction
Bulletin 8: Commercial and Multi-Family Building Permits
Application, permit; Applicant Affidavit
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Demolition Permits, Non-Residential
Available on MyBuildingPermit.com
Energy Code Worksheets for Commercial Construction
Lighting Budget Calculation Form
Landscape Bond Quantity Worksheet Form
Residential Density Calculation
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Worksheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availability (200KB)
Site Areas Worksheet
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Solar Photovoltaic Systems, Incentives and Permitting Guidance
Water Service Requirements
Conditional Use Permits
Pre-Application Meeting Request
Pre-Application Meeting Request
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Conditional Use Permit (CUP): Application
Conditional Use Permit (CUP): Instructions and Information
Land Use Permit Application Form
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Water Service Requirements
Conversion Option Harvest Plan
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Conversion Option Harvest Plan Application for Review
Conversion Option Harvest Plan Fact Sheet
Conversion Option Harvest Plan Site Plan Requirements
Conversion Option Harvest Plans/Checklist
Critical Area Alteration Exception
Consultant Guidance, Ecological
Critical Area Alteration Exception: Application
Critical Area Alteration Exception: Instructions and Information
Land Use Permit Application Form
Fire Permits
Handouts
Fire Alarm, Cellular Communication and Digital Security Controls
Fire Alarm Systems Permit: Non-Residential and Multi-Family
Fire Permit; Special Event Permit
Fire Permit: Sprinkler, Non-Residential and Multi-Family
Fire, Other Systems and Equipment
Fire, Other Systems and Equipment - Non-Residential Cooking Hoods
Fire, Other Systems and Equipment - Generator - Emergency or Standby
Fire, Other Systems and Equipment - Emergency Responder Radio Coverage Systems
Fire, Other Systems and Equipment - Wireless Mesh Radio Network (AES)
Fire Hazards - Vegetation
Fire, King County Public Safety Frequency Use Agreement
Fire, Residential Sprinkler Insulation (Tenting)
Fire Safety During Construction
Fire Systems and Equipment Fee Schedule
Fuel Tanks, Decommissioning Underground
Fuel Tanks, Installation and Relocation
Residential Installation and Relocation Checklist
Fuel Tanks, Removal and Decommissioning Contractors
Residential Fire Access and Water Supply Checklist
Forms
Fire, King County Public Safety Frequency Use Agreement
Fuel Tanks, Site Plan
Fire District Receipt
Obtain from your local Fire District
Fireworks Display Application
Fire Fireworks Stand
No stands due to Fireworks ban starting in 2022
Flood Hazards and Floodplain Development
Flood Hazard Certification
Floodplain Development Permit
Floodplain, FEMA Elevation Certificate
Forest Practice Moratorium Relief
Forest Practice Moratorium Relief: Application
Forest Practice Moratorium Relief: Instructions and Information
Forest Practice Moratorium Relief: Requirements Checklist
Land Use - Short Subdivisions
Short subdivisions, often referred to as a "Short Plat", establishes conditions to subdivide land into 2 to 4 (rural) or 9 (urban) legal building lots.
Bulletin 25: Short Subdivisions
Critical Areas Compliance Affidavit
Affidavit of Correction of Short Plat
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Short Subdivision (Short Plat) Engineering Review Final Submittal
Land Use Permit Application Form
Preliminary Short Subdivision Applications: Instructions
Quit Claim Deed for County Right-of-Way
Residential Density Calculation
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Title Page: Short Plat (or Alteration) Templates
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Water Service Requirements
Land Use - Subdivisions
Critical Areas Compliance Affidavit
Affidavit of Correction of Plat
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Plats: Procedure for Checking of Final Plats
Land Use Permit Application Form
Plat Alteration Submittal Instructions
Preliminary Subdivision Applications: Instructions
Quit Claim Deed for County Right-of-Way
Residential Density Calculation
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Subdivision Exemption Request
Title Page: Final Plat and Final Plat Sheets Templates
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Water Service Requirements
Legal Lot
Legal Lot Status
Proof of Legal Lot Information
Legal Lot Status Determination Service
Property Research Guide and Worksheet
Innocent Purchaser
Lot Merger (Lot Line Elimination)
Lot Merger (Lot Line Elimination)
Lot Merger Application Checklist (246KB)
Lot Merger (Lot Line Elimination Recording Form)
Lot Merger Recording Form (173KB)
Non-residential and Multi-Family Mechanical Permits
Non-Residential and Multi-Family Mechanical Permit
Available on MyBuildingPermit.com
Pre-Applications
Pre-Application Meeting Request
Pre-Application Meeting Requests and Waivers
Pre-Application Waiver Request
Reasonable Use Exceptions
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Consultant Guidance, Ecological
Land Use Permit Application Form
Pre-application Waiver Request - Short Subdivision, CUP, CAAE and RUE
Reasonable Use Exception Application: Instructions and Information
Reasonable Use Exception: Application
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Water Service Requirements
Residential Mechanical Permits
Residential Mechanical Permit
Available on MyBuildingPermit.com
Residential Setback Exception Agreement, Mechanical Equipment
Residential - Manufactured (Mobile) Homes
Handouts
Residential - Manufactured (Mobile) Home Permit
Available on MyBuildingPermit.com
Residential Building Permit Application Overview & Checklist for New Single-Family Construction
Residential Building Permit Agencies, Who does what
Residential Site Plan Requirements
Residential Drainage Review Requirements
Water Service Requirements
Site Plan, Residential Examples,11" x 17"
Temporary Erosion and Sedimentation Control (TESC) (383KB)
Electronic Permit Plan Requirements
Forms
Application, Permit
Available on MyBuildingPermit.com
Site Areas Worksheet
Residential Drainage Review Requirements
Residential Fire Access and Water Supply Checklist
Site Plan, General
Site Plan for Temporary Erosion and Sediment Control (TESC)
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
Other Forms and Handouts
Critical Areas Designation
Available on MyBuildingPermit.com
Flood Hazard Certification
Legal Lot
Information and Checklist (240KB)
Property Research Guide and Worksheet
Residential Affidavit for Single Family Residence within Shoreline Management Jurisdiction
Residential Site, Instructions for Flagging a Site for Permit Applications
Sewer Availability
Certificate of Sewer Availabilty (200KB)
OR
Certificate of Future Sewer Connection (493KB)
OR
On-Site Sewer (septic) Application for Health Department Approval of Building Permit
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Solar Photovoltaic System, Roof Mounted, Residential Exemption
Solar Photovoltaic Systems, Incentives and Permitting Guidance
Water Availability
Certificate of Water Availability (230KB)
OR
Certificate of Future Water Connection (67KB)
OR
Certification to Connect to Future Group A Water System (54KB)
OR
Well permit from Public Health
Residential Accessory Building and Miscellaneous Structure Permits
Handouts
Residential Accessory Building and Miscellaneous Structure Permits
Available on MyBuildingPermit.com
Residential Accessory Dwelling Units (ADUs)
Residential Building Permit Agencies, Who does what
Residential Site Plan Requirements
Site Plan, Residential Examples,11" x 17"
Temporary Erosion and Sedimentation Control (TESC) (383KB)
Electronic Permit Plan Requirements
Energy Worksheets for Residential Construction
New Construction & Additions
See King County Energy Codes page
AND
Washington State Energy Code Worksheets
Both 2018 and 2021 forms are available
Alterations
2018 King County Energy Code Alterations Worksheet
Residential Drainage Inspection Application
Application Forms
Application, Permit
Available on MyBuildingPermit.com
Site Areas Worksheet
Residential Accessory or Agricultural Structure, Fire Sprinkler Access and Water Supply
Site Plan, General
Site Plan for Temporary Erosion and Sediment Control (TESC)
Other Forms and Handouts
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
Critical Areas Designation
Available on MyBuildingPermit.com
Flood Hazard Certification
Property Research Guide and Worksheet
Residential Affidavit for Single Family Residence within Shoreline Management Jurisdiction
Residential Drainage Review Requirements
Residential Setback Exception Agreement, Mechanical Equipment
Residential Site, Flagging a Site
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Solar Photovoltaic System, Roof Mounted, Residential Exemption
Solar Photovoltaic Systems, Incentives and Permitting Guidance
Residential New Single Family Construction
Handouts
Residential Single Family Building Permit
Available on MyBuildingPermit.com
Residential Building Permit Agencies, Who does what
Residential Site Plan Requirements
Residential Demolition Permits
Residential Drainage Review Requirements
Water Service Requirements
Site Plan, Residential Examples,11" x 17"
Temporary Erosion and Sedimentation Control (TESC)
Electronic Permit Plan Requirements
Application Forms
Permit Application for Single Family Residence
Available on MyBuildingPermit.com
Site Areas Worksheet
Energy Worksheets for Residential Construction
New Construction & Additions
See King County Energy Codes page
AND
Washington State Energy Code Worksheets
Both 2018 and 2021 forms are available
Residential Drainage Review Requirements
Residential Fire Access and Water Supply Checklist
Site Plan, General
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
Other Forms and Handouts
Critical Areas Designation
Available on MyBuildingPermit.com
Flood Hazard Certification
Legal Lot
Property Research Guide and Worksheet
Residential Affidavit for Single Family Residence within Shoreline Management Jurisdiction
Residential Site, Flagging a Site
Sewer Availability
Certificate of Sewer Availability
OR
Certificate of Future Sewer Connection
OR
On-Site Sewer (septic) Application for Health Department Approval of Building Permit
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Residential Solar Ready Checklist
Solar Photovoltaic System, Roof Mounted, Residential Exemption
Solar Photovoltaic Systems, Incentives and Permitting Guidance
Water Availability
Certificate of Water Availability
OR
Certificate of Future Water Connection
OR
Certification to Connect to Future Group A Water System
OR
Well permit from Public Health
Residential Single Family Remodel, Addition, and Repair
Handouts
Residential Building Permit Application for Remodel, Addition and Repair Permit
Available on MyBuildingPermit.com
Residential Building Permit Agencies, Who does what
Residential Site Plan Requirements
Residential Drainage Review Requirements
Service Requirements
Site Plan, Residential Examples,11" x 17"
Temporary Erosion and Sedimentation Control (TESC) (383KB)
Electronic Permit Plan Requirements
Application Forms
Permit Application for Residential Single Family Remodel, Addition and Repair Permit
Available on MyBuildingPermit.com
Site Areas Worksheet
Energy Worksheets for Residential Construction
New Construction & Additions
See King County Energy Codes PageAND
Washington State Energy Code Worksheets
Both 2018 and 2021 forms are available
Alterations
2018 King County Energy Code Alterations Worksheet
Residential Drainage Inspection Application
Residential Remodel, Fire Access and Water Supply
Site Plan, General
Site Plan for Temporary Erosion and Sediment Control (TESC)
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
Other Forms and Handouts
Critical Areas Designation
Available on MyBuildingPermit.com
Flood Hazard Certification
Legal Lot
Information and Checklist (240KB)
Property Research Guide and Worksheet
Residential Affidavit for Single Family Residence within Shoreline Management Jurisdiction
Residential Site, Flagging a Site
Residential Setback Exception Agreement, Mechanical Equipment
Sewer Availability
Certificate of Sewer Availability (200KB)
OR
Certificate of Future Sewer Connection (493KB)
OR
On-Site Sewer (septic) Application for Health Department Approval of Building Permit
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Solar Photovoltaic System, Roof Mounted, Residential Exemption
Solar Photovoltaic Systems, Incentives and Permitting Guidance
Water Availability
Certificate of Water Availability (230KB)
OR
Certificate of Future Water Connection (67KB)
OR
Certification to Connect to Future Group A Water System (54KB)
OR
Well permit from Public Health
Residential Swimming Pools
Affidavit for Application Form
See Application, Permit
Application, permit; Applicant Affidavit
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
Residential Drainage Review Requirements
Residential Setback Exception Agreement, Mechanical Equipment
Residential Swimming Pools and Hot Tubs
Instructions and Worksheet (213KB)
Conditions and Technical Information (227KB)
Site Areas Worksheet
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Revisions to Permits - Issued Building Permits Only
Residential Building Permit Site Information
Residential Drainage Review Requirements
Site Areas Worksheet
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Rezones
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Land Use Permit Application Form
Rezone Application: Instructions and Information
Rezone: Application
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Short Subdivision application forms and instructions
See, Land Use - Short Subdivisions packet
Water Service Requirements
Right-of-Way Use Permits
Permit forms, application materials, and resources.
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Declaration of Covenant Re Use and Maintenance of King County Right-of-Way
Land Use Permit Application Form
Quit Claim Deed for County Right-of-Way
Right-of-Way Use
Right-of-Way Use Permit Application Instructions, Application and Site Plan Sheet
Right-of-Way Use Permit - Limited: Extension Request
SEPA Checklist
SEPA Greenhouse Gas Emissions
Workhsheet (spreadsheet) (211KB)
Road Standards Variances
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Land Use Permit Application Form
Road or Drainage Variance Applications: Submittal Instructions
Road Standards Variance Request to the County Road Engineer
Road Variance
State Environmental Policy Act (SEPA) Process
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Shoreline Exemptions
Critical Areas Compliance Affidavit
Bulkhead Development and Exemptions Additional King County Shoreline Requirements
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Land Use Permit Application Form
Shoreline Exemption
Available on MyBuildingPermit.com
Shoreline Packet
Handouts
Shoreline Permits, Submittal Requirements
Bulkhead Development and Exemptions Additional King County Shoreline Requirements
Shoreline Conditional Use Permit
Shoreline Substantial Development Permit
Shoreline Variance
Shoreline Site Plan
Site Plan template (PDF and CAD) are available in the Computer Aided Design CAD Templates packet
Application Forms
See, Shoreline Permit Submittal Requirements for a full submittal checklist
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Application, permit; Applicant Affidavit
Fire District Receipt
Obtain from your local Fire District
Joint Aquatic Resources Permit Application
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
Other Forms and Handouts
Sewer Availability
Certificate of Sewer Availabilty (200KB)
OR
Certificate of Future Sewer Connection (493KB)
OR
On-Site Sewer (septic) Application for Health Department Approval of Building Permit
Water Availability
Certificate of Water Availability (230KB)
OR
Certificate of Future Water Connection (67KB)
OR
Certification to Connect to Future Group A Water System (54KB)
OR
Well permit from Public Health
Commercial - Sign
Bulletin 8: Commercial and Multi-Family Building Permits
Sign Permits
Site Plan and Temporary Erosion and Sediment Control (TESC) Template and Example
See, Computer Aided Design (CAD) Templates and Other Data Resources packet
Special Use Permits
Permit forms, application materials, and resources.
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Land Use Permit Application Form
SEPA
See, State Environmental Policy Act (SEPA) Process packet
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Special Use Permit Applications: Instructions & Information
Special Use Permit: Application
Water Service Requirements
Surface Water Drainage Manual Adjustments
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Land Use Permit Application Form
Drainage Variance Applications: Submittal Instructions
Surface Water Design Manual Requirements/Standards Adjustment Request
Temporary Use Permits
Affidavit for Application Form
See Application, Permit
Application, permit; Applicant Affidavit
Temporary Use Permit: General Information
Temporary Use Permit: Worksheet
Zoning Code Variances
Critical Areas Compliance Affidavit
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Land Use Permit Application Form
Record of Critical Area Review for Variance and Exception Applications
Form (PDF)
Form (MS Word)
SEPA
See, State Environmental Policy Act (SEPA) Process packet
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Water Service Requirements
Zoning Code Variance: Application (does not include Critical Areas Variance)
Zoning Code Variance: Instructions and Information (does not include Critical Areas)
A
Accessory Dwelling Units: Notice on Title
Accessory Dwelling Units or Living Quarters information
See, Residential Accessory Dwelling Units and Living Quarters information
Achieving the post-construction soil standards - Department of Natural Resources and Parks
Information and Online Calculator
Address—Use for an Approximate or Temporary Address
Address—Street addresses and road names
Adult Family Home Inspection Checklist
Washington State AFH Building Inspections
Adult Family Home Inspection Checklist (2021 IRC)
Adult Family Home Inspections
The permit process (227KB) is available at MyBuildingPermit.com
Affidavit Concerning Critical Areas Compliance
See, Critical Areas Compliance Affidavit
Affidavit for owners doing own work
Affidavit for Single Family Residence within Shoreline Management Jurisdiction
See, Residential Affidavit for Single Family Residence within Shoreline Management Jurisdiction
Affidavit of Agricultural/Forestry Use
See, Agricultural or Forestry, Limitation of Use Affidavit
Affidavit of Correction of Boundary Line Adjustment
See, Boundary Line Adjustment, Affidavit of Correction
Affidavit of Correction of Plat
Affidavit of Correction of Short Plat
Affidavit of Use for an Approximate or Temporary Address
See, Address, Affidavit of Use for an Approximate or Temporary Address
Affidavit Regarding Medical Hardship - Manufactured Home Permit
Affidavit Regarding Public Agency Notification
Affidavit Temporary Farm Worker Housing Notice on Title
See, Temporary Farm Worker Housing Units
Agricultural or Forestry, Limitation of Use Affidavit
Already Built Construction (ABC) Pre-Application Meeting
See, Code Enforcement, Already Built Construction (ABC) Pre-Application Meeting
Applicant Status
Public Agency, or Public Utility or Private Utility (1.06MB)
Corporation or Business Association (1.05MB)
Applicant Status, Transfer of Permit
Application, permit; Applicant Affidavit
Approval of Building Permit Application; Seattle - King County Public Health Department
Application for Approval of Building Permit
B
Binding Site Plan Application
Binding Site Plan Submittal
Boundary Line Adjustment, Affidavit of Correction
Boudary Line Adjustment Permit
Available on MyBuildingPermit.com
Owner Information Form (586KB)
Boundary Line Adjustment: Procedures Following the Approval Process
Boundary Line Adjustment: Seattle - King County Public Health Department
Application for Review of Boundary Line Adjustment or Rezone
Boundary Line Adjustment, Site Plan
Bulkhead Development and Exemptions Additional King County Shoreline Requirements
C
Cargo Container Building Permits
Cellular Communication Antenna Tower Applications
Available on MyBuildingPermit.com
Cellular Communication Antenna and Tower
Cellular Communication Antenna and Tower - Supplemental Information
Certification of Applicant Status
See, Applicant Status
Change of Use, Tenant Improvement
Clearing Permit Application Checklist
Clearing and Grading Permit Information
Code Enforcement, Already Built Construction (ABC) Pre-Application Meeting
Code Enforcement Application for Fee Waiver or Adjustment
Code Enforcement, Filing an Online Complaint
Code Interpretation Request
Available on MyBuildingPermit.com
Computer Aided Design (CAD) Templates and Other Data Resources
See the CAD packet on the Permits by Packets tab
Commercial Building Addition
Available on MyBuildingPermit.com
Conditional Use Permit (CUP): Application
Conditional Use Permit (CUP): Instructions and Information
Consultant Guidance, Ecological
Conversion Option Harvest Plan Fact Sheet
Conversion Option Harvest Plan Site Plan Requirements
Conversion Option Harvest Plans/Checklist
Cover Sheet for Resubmittals
Critical Area Alteration Exception: Application
Critical Area Alteration Exception: Instructions and Information
Critical Areas Compliance Affidavit
Critical Area Consultants
See, Consultant Guidance, Ecological
Critical Areas, Changes to Wetland Regulations
Critical Areas Ordinance Court Case, July 7, 2008
Critical Areas Designation
Available on MyBuildingPermit.com
Critical Areas Mitigation Guidelines
Critical Areas Mitigation Bond Quantity and Worksheet (C24)
Critical Areas: Restoration and Enhancement in King County
Critical Areas Sign
Critical Areas, Wetland Delineation Report Criteria
D
Damage Repairs, Responding to Property Damage
Available through MyBuildingPermit.com
Decks
MyBuildingPermit.com Deck Tip Sheet
Declaration of Conditions, Covenants and Restrictions re Annex. To Public Water Dist. and Form. Utility Local Improve. Dist.
Declaration of Covenant Re Use and Maintenance of King County Right-of-Way
Demolition Permits, Non-Residential
Available on MyBuildingPermit.com
Demolition Permits, Residential
Available on MyBuildingPermit.com
Demolition Waste Disposal
Determination of Legal Lot Status Instructions and Form
See, Legal Lot Determination: Application
Drainage Facility Liability Insurance Requirement
Drainage Variance Applications: Submittal Instructions
E
Electric Vehicle Parking Requirements
Electronic Plan Requirements
Permitting requirements are available on MyBuildingPermit.com
Emergency Service Notices
Customer Service Bulletin (197KB)
King County Construction Guidance (215KB)
Energy and Ventilation Required Inspections
Energy Code Compliance Forms (Commercial)
Building Envelope Summary (345KB)
Lighting Budget Calculation Form (219KB)
Energy Worksheets for Residential Construction
New Construction & Additions
2018 King County Energy Code and Ventilation Worksheets
OR
Washington State Energy Code Worksheets
Both 2018 and 2021 forms are available
Alterations
2018 King County Energy Code Alterations Worksheet
(Single-family Prescriptive Worksheet, 2018 Glazing Schedule, and 2018 Heating System Sizing Worksheet)
Engineering Review Section Review Submittal Checklist for Final Short Plat
See, Short Subdivision (Short Plat) Engineering Review Final Submittal
Erosion and Sediment Control Requirements
Extension Request of Issued, Expiring Permits
F
Fees
Fee Waiver Adjustment
Fee-in-Lieu of Open Space Calculation Sheet (New and Current Projects)
Financial Guarantees Performance Maintenance
Fire Access and Water Supply Checklist
See, Residential Fire Access and Water Supply Checklist
Fire Alarm, Cellular Communication and Digital Security Controls
Fire Alarm Systems Permit: Non-Residential and Multi-Family
Available on MyBuildingPermit.com
Fire Department Connection Identification
Fire District Receipt
Obtain from your local Fire District
Fire, Dry Grass and Weeds Management
Fire, Flammable Liquid Storage Cabinets
Fire Hazards - Vegetation
Fire, King County Public Safety Frequency Use Agreement
Fire, Other Systems and Equipment
Available on MyBuildingPermit.com
Fire, Other Systems and Equipment - Non-Residential Cooking Hoods
Available on MyBuildingPermit.com
Fire, Other Systems and Equipment - Generator - Emergency or Standby
Available on MyBuildingPermit.com
Fire, Other Systems and Equipment - Emergency Responder Radio Coverage Systems
Available on MyBuildingPermit.com
Fire, Other Systems and Equipment - Wireless Mesh Radio Network (AES)
Available on MyBuildingPermit.com
Fire Permit; Special Event Permit
Available on MyBuildingPermit.com
Fire Permit: Sprinkler, Non-Residential and Multi-Family
Available on MyBuildingPermit.com
Fire Permit: Sprinkler, Residential
Available on MyBuildingPermit.com
Fire, Portable Fire Extinguishers Maintenance
Fire, Residential Sprinkler Insulation (Tenting)
Fire Safety During Construction
Fireworks Display Application
Available on MyBuildingPermit.com
Flagging a Site for Residential Building Permit Applications: Instructions
See, Residential Site, Flagging a Site
Flood Hazard Certification
Floodplain Development Permit
Floodplain, FEMA Elevation Certificate
Forest Practice Moratorium Relief: Application
Forest Practice Moratorium Relief: Instructions and Information
Forest Practice Moratorium Relief: Requirements Checklist
Fuel Tank, Propane/LPG Permit Requirements, Residential
Fuel Tanks, Decommissioning Underground
Available on MyBuildingPermit.com
Fuel Tanks, Installation and Relocation
Available on MyBuildingPermit.com
Fuel Tanks, Removal and Decommissioning Contractors
Application instructions (195KB)
Fuel Tanks, Site Plan
G
Grading and Reclamation Liability Insurance Requirement
Green building handbook
Complete handbook and green sheets
H
Hazard Tree Removal Information and Application Checklist
Helpful Information About Other Agencies
Agencies include: Electrical, Elevator, Boiler, Mobile Home, Septic, Wells, Plumbing & Gas Piping Permits
Health Department and DPER Concurrent Review Request by Applicant
I
Impact Fees or Request Other Incentives Related to the Provision of Low or Moderate Income Housing
Innocent Purchaser
Inspection Scheduling, Permitting Division with IVR Codes & Multiple Agencies
L
Land Surveyor's Certificate of Monumentation
Land Use Miscellaneous Application for Multiple Residential Driveways
Land Use Permit Application Form
Landscape Bond Quantity Worksheet Form
Large Lot BMP Requirements for Residential Site Plan
See, Residential Drainage Review Requirements
Legal Cover Sheet
Legal Description
Legal Lot
Information and Checklist (240KB)
Legal Lot Determination application
Available on MyBuildingPermit.com
Lot Merger (Lot Line Elimination)
Lot Merger Application Checklist (246KB)
Lot Merger (Lot Line Elimination Recording Form)
Lot Merger Recording Form (173KB)
Innocent Purchaser
M
Marijuana Business, WLCB Letter of Approval
Example WLCB letter of approval (699KB)
Marijuana Business License
Marijuana Business, Summary of Zoning Requirements
Master Drainage Planning
Large Site Developments; Surface Water Design Manual
Mechanical Agreement Recording Instructions
See, Residential Setback Exception Agreement, Mechanical Equipment
Manufactured (Mobile) Home Permit
See, Residential - Manufactured (Mobile) Home Permit
MyBuildingPermit.com Resources
N
Noise Ordinance for Construction Sites, 12.86.520 Exemptions, King County Code
Non-Residential and Multi-Family Mechanical Permit
Available on MyBuildingPermit.com
Non-Residential, Outdoor Commercial Use Permitting Options for COVID 19 Safe Start Directives
Notice of Land Use Action, Sign Board Requirements
Form (255KB)Notice of Construction Activity Sign Board Requirements
O
Online - Filing a Code Enforcement Complaint
Online Permitting Resources
On-Site Recreation for Residential and Mixed-Use Development
Owner Affidavit Regarding Contractor Registration
See, Affidavit for Owner Doing Own Work
Certificate of Occupancy Request, Temporary
P
PAUE (Public Agency & Utility Exception): Application
PAUE: Instructions and Information
Pay Permit Fees Online
Permitting Agencies
Permit Issuance Cover Sheet for Building
Pet Businesses Information & FAQ
Plat Alteration Submittal Instructions
Plat, Final, Title Page
Plats and Short Plats; Criteria for Recording Substantially Complete, King County Code
Plats: Procedure for Checking of Final Plats
Pre-Application Meeting Request
Pre-Application Meeting Requests and Waivers
Pre-Application Waiver Request
Preferred Wetland Consultants List (No longer published)
See, Consultant Guidance, Ecological handout
Preliminary Short Subdivision Applications: Instructions
Preliminary Subdivision Applications: Instructions
Property Research Guide and Worksheet
R
Reasonable Use Exception: Application
Form (93KB)Reasonable Use Exception Application: Instructions and Information
Information (127KB)Recording Documents
Resources for Property Research - Info on Separate Lot Status
See, Legal Lot Handout
Research Request
Form (207KB)Residential Accessory Building and Miscellaneous Structure Permits
Available on MyBuildingPermit.com
Residential Accessory Dwelling Units (ADUs)
Available on MyBuildingPermit.com
Residential Accessory Living Quarters (ALQs)
Residential Affidavit for Single Family Residence within Shoreline Management Jurisdiction
Residential Basics Program
Available on MyBuildingPermit.com
Residential Building Permit Agencies, Who does what
Residential Building Permit Application for New Single Family Construction
Available on MyBuildingPermit.com
Combined Overview & Checklist (533 KB)
Residential Building Permit Application for Remodel, Addition and Repair Permit
Available on MyBuildingPermit.com
Residential Demolition Permits
Available on MyBuildingPermit.com
Residential Density Calculation
Residential Drainage Review Requirements
Information (529KB)Residential Fire Access and Water Supply Checklist
Residential - Manufactured (Mobile) Home Permit
Available on MyBuildingPermit.com
Residential Mechanical Permit
Available on MyBuildingPermit.com
Residential Model Home Permit
Residential Setback Exception Agreement, Mechanical Equipment
Residential Site, Flagging a Site
Residential Site Plan Requirements
Residential Solar Ready Checklist
Residential Swimming Pools and Hot Tubs
Instructions and Worksheet (213KB)
Conditions and Technical Information (227KB)
Residential Tiny Homes
Rezone: Application
Rezone Application: Instructions and Information
Right-of-Way Use Permit Application Instructions, Application and Site Plan Sheet
Right-of-Way Use Permit - Limited: Extension Request
Road or Drainage Variance Applications: Submittal Instructions
Road Standards Variance Request to the County Road Engineer
S
School District Impact Fee Deferral
School Impact Fee Deferral Claim-of-LIEN
Selecting a Geotechnical Consultant
SEPA Checklist
SEPA Greenhouse Gas Emissions
Worksheet Instructions (182KB)
Workhsheet (spreadsheet) (211KB)
SEPA Only Submittal Process
Sewer Availability
Certificate of Sewer Availabilty (200KB)
Sewer Connection: Certificate of Future Sewer Connection
Certificate of Future Sewer Connection (493KB)
Shoreline Conditional Use Permit
Shoreline Exemption
Available on MyBuildingPermit.com
Shoreline Permits, Submittal Requirements
Shorelines, Changes to Wetland Regulations
See, Critical Areas, Changes to Wetland Regulations
Shoreline Site Plan
Site Plan templates (PDF and CAD) are available in the Computer Aided Design CAD Templates packet on the Permits by Packet tab.
Shoreline Substantial Development Permit
Shoreline Variance
Short Subdivision (Short Plat) Alteration, Title Page
Short Subdivision Application
Forms and instructions are available in the Land Use - Short Subdivisions packet on the Permits by Packet tab.
Short Subdivision (Short Plat) Engineering Review Final Submittal
Short Subdivision (Short Plat) Title Page, Final
Sign Permits
Available on MyBuildingPermit.com
Site Areas Worksheet
Site Improvement Bond Quantity Worksheet
Site Plan Requirements
See, Residential Site Plan Requirements
Site Plan Templates and Examples
See, Computer Aided Design CAD Templates and Data Resources on the Permits by Packet tab.
Soil Health: Achieving the Post-construction Soil Standard
Information and On-Line Calculator
Solar Photovoltaic System, Roof Mounted, Residential Exemption
Special Event Permit
See, Fire Permit Application; Special Event Permit
Special Use Permit: Application
Special Use Permit Applications: Instructions & Information
Street Trees
King County 2016 ROAD DESIGN AND CONSTRUCTION STANDARDS Chapter 5 Roadside Features, Section 5.03 Street Trees and Landscaping
Subdivision Density and Dimension Calculations
Subdivision Exemption Request
Surface Water Design Manual Requirements/Standards Adjustment Request
T
Temporary Farm Worker Housing Units
Temporary Use Permit: General Information
Tenant Improvement
Tiny Homes
Tree Removal
See Hazard Tree Removal Information and Application Checklist
W
Waiver of Submittal Requirements
Water Availability
Certificate of Water Availability (230KB)
Water Connection, Recording Document
Certification to Connect to Future Group A Water System (82KB)
Water Connection, Recording Document
Certification of Future Connection to Group A Water System (86KB)
Water Service Requirements
Water Usage Restriction, Recording Document
Water Wells, Permit Exempt and the Hirst Decision
Z
Zoning Code Variance: Application (does not include Critical Areas Variance)
Zoning Code Variance: Instructions and Information (does not include Critical Areas)
Zoning Designations; General information about zoning codes for unincorporated King County
Zoning and Historical Certification Letter
Available on MyBuildingPermit.com