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Important information

Keep final plans and permits displayed on-site

Approved building, fire and land use permits must be displayed prominently on construction and development sites. 

Maintaining these records on-site is the responsibility of the applicant and/or contractor.

Online permits with Mybuildingpermit.com

Most permits offered by the Department of Local Services, Permitting Division (Permitting) are available online. Permit types available through the regional permitting portal, MyBuildingPermit.com (MBP) are listed below. The permit types available through this portal are being expanded weekly.


 

Building damage inspection only

  • Building Damage Inspection Only


Clearing and Grading

  • Clearing and Grading-New or Modification
  • Clearing and Grading-Trees or Vegetation Only


Fire and special event permit process - Building and land use

  • Fire- Annual Permit-Contractor Fuel Tank Removal
  • Fire-Firework Display
  • Fire-Nonresidential or Multifamily Alarm System
  • Fire-Nonresidential or Multifamily Decommission Storage Tanks
  • Fire-Nonresidential or Multifamily New Storage Tanks
  • Fire-Nonresidential or Multifamily Other Systems and Equipment
  • Fire-Nonresidential or Multifamily Sprinkler System
  • Fire-Single Family Residential Decommission Storage Tanks
  • Fire-Single Family Residential New Storage Tank
  • Fire-Single Family Residential Sprinkler System
  • Fire-Special Event

 

Land use


Mechanical


Wireless Communications Facilities

  • Nonresidential-Modification Wireless Communications Facility
  • Nonresidential-New Wireless Communications Facility

 

Structure addition - commercial, nonresidential


Tenant Improvement - nonresidential

  • Nonresidential-Tenant Improvement
  • Nonresidential-Tenant Improvement-Change of Use


Already built construction - preapplication 

  • Preapplication Services-Already Built Construction


Registered basic

  • Registered Basic-Establish a new plan (Licensed contractors only)
  • Registered Basic-Site Specific Permit (Licensed contractors only)


Sign permits

  • Sign-All Sign Proposals

 

Single family residential

  • Single Family Residential-Adult Family Home Inspection Only
  • Single Family Residential-Demo or Partial Demo
  • Single Family Residential-New Accessory Building
  • Single Family Residential-New Accessory Dwelling Unit
  • Single Family Residential-New Miscellaneous Structure
  • Single Family Residential-New Mobile Manufactured Home
  • Single Family Residential-New Residence
  • Single Family Residential-Structure Remodel or Addition or Repair
     

Submit your application online

For permit types available online through MyBuildingPermit.com (MBP) follow these steps.
  • Property research

    location_searching

    To better understand your property, do your research early. Check the jurisdiction and zoning to be sure it’s in unincorporated King County and understand what building or land use options you have based on your zoning. Start with our online tools to get the information you need for your application.

    Make note of any special conditions on your property, such as...

    • Critical areas
    • Established clearing limits
    • Flood zones
    • Historically sensitive areas
    • Setback areas
    • Shorelines
    • Steep slopes
    • Total impervious lot coverage
    • Wetlands

    Confirm your zoning when doing research and understand what building or land use options you have by referencing:

  • Prepare

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    Get all application materials ready for electronic submittal for a complete application package. 

    You can also go through the application steps on MyBuildingPermit.com. After creating an account, selecting your project type and providing location details, a list of required documents for your project and permit type will be provided. You do not need to submit the application until you are ready.

    For projects using an on-site sewage (septic) system a copy of the On-Site Sewage Systems (Septic) Permit approval and approved site plan OR a copy of the On-Site Sewage System (Septic) Permit Application submittal may be required for application intake with our Agency. Your application may be considered incomplete if this is not provided at time of application. 

    Note: Incorrect or incomplete application submittals will not be accepted and will delay your application process. 


  • Submit

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    When you are ready to submit your application, please visit:

    MyBuildingPermit.com

  • What to expect

    timeline

    For most permit types you can expect the following after submitting your application online:

    • Confirmation email with your application identification number.
    • After your application is assigned, your submittal will go through the screening and triage processes. If there is any missing or incorrect information you will be notified at that time through the MyBuildingPermit.com portal. 
    • Examination of your submitted plans, by only the required Reviewers. 
    • Pay fees
    • Issuance
    • Inspections

    warning

    Note: Incorrect or incomplete application submittals will not be accepted and will delay your application process. 

     

Watch our video on how to research a property using King County's iMap service

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Properties served by on-site sewage or septic systems

For all projects involving an on-site sewage (septic) system, our agency may require the submission of certain documents during the application intake process.

This includes projects such as:

  • New installations
  • Repairs or replacements
  • House or building remodels or expansions
  • Subdivisions
  • Boundary line adjustments
  • Rezones

The required documents include:

  • A copy of the approved On-Site Sewage Systems (Septic) Permit and site plan

OR

  • A copy of the submitted On-Site Sewage System (Septic) Permit Application and site plan

Please note, if you are providing a copy of the Permit Application, it must contain the Public Health (PH) stamp, which signifies that your application has been received by Public Health.

To avoid any delays, please ensure that all required documents are included at the time of your building application. Your application may be considered incomplete without these documents.

For more information regarding your application requirements with Public Health, please visit or view:

King County Septic System Program

On-site sewage/septic systems

Public Health - Application for Health Department Approval of Building Permit

For permits not available with Mybuildingpermit.com

For permit types that are not yet available through the Mybuildingpermit.com portal can still be submitted electronically by e-mail, see below for details on how.

  • Addressing Requests


Critical Areas

  • Critical Areas Alteration Exception
  • Critical Areas Exception Reasonable Use
  • Drainage Adjustment
  • Flood Plain Determination - Development
  • Flood Plain Determination - Elevation Certification

Right of way

  • Engineering Right of Way
  • Engineering Site Review

Subdivisions, plats, and short plats

  • Final Survey Review - Binding Site
  • Final Survey Review - Plat
  • Final Survey Review - Short Plat
  • Plat
  • Short Plat
  • Recorded Plat Alteration

Commercial and multi-family

  • Multifamily Dwelling Units
  • New Commercial Construction


Shorelines

  • Shoreline - Substantial Development
  • Shoreline Designation
  • Shoreline Development Conditional Use Permit


Submit applications not on MyBuildingPermit.com

Follow these steps if your permit application is not available through MyBuildingPermit.com.
  • Prepare

    For application types not available online through MyBuildingPermit.com, convert all documents and plan sets to PDF format as outlined in the Electronic plan requirements handout.

  • Review

    Check submittal requirements and application forms on our Permit forms, applications and resources page.
  • Send

    Email your completed submittal package to permitcenter.dper@kingcounty.gov. Include your supporting application materials in your email, or for large files please let us know if you wish to transmit your submittal files via a cloud sharing service (DropBox, Google Docs, OneDrive, Adobe Cloud, etc.)

Green building and solar resources

See below for additional information and resources on green building or solar:

At King County, “green building” and “sustainable building” refer to design, construction, and operating practices that significantly reduce a building’s resource consumption and environmental impacts. They achieve these reductions through:

  • Sustainable site planning
  • Energy efficiency
  • Water conservation
  • Waste minimization
  • Pollution prevention
  • Using resource-efficient materials
  • Providing enhanced indoor environmental quality for occupants

We encourage the use of green building techniques. The resources linked below will help you make decisions that will save energy and reduce costs.

Green building handbook (complete document) 

For information on the King County GreenTools program which helps all King County partners green their built environment while addressing critical environmental issues:

GreenTools


Try the EcoCoolRemodel tool to tour a virtual house for green remodeling tips!

EcoCoolRemodel


Green home remodeling guides:

Green home


For information on construction and demolition recycling:

Construction recycling


Helpful information for rural builders, visit GreenTools:

King County Solid Waste Division, Rural green building


For sustainable building information visit:

Natural Resources and Parks: Sustainable building topics


This resource for sustainable building features links to a LEED project task list, project services procurement language guide, policy and code information, case studies and Seattle's CIP Supplements to LEED.

City of Seattle Green Building


American Institute of Architects Seattle Committee on the Environment (COTE) provides resources to design professionals:

AIA Seattle


For information on sustainable building practices in Washington State, The Department of Ecology provides direct links to organizations, databases, resources, and other information:

WA State Department of Ecology


For links and information on energy, water, materials, waste and the indoor environment:

US Enviornmental Protection Agency (EPA) Green Buildings


Residential green building program of the Master Builders Association developed in partnership with King and Snohomish Counties:

Built Green


A coalition of the building industry that promotes environmentally responsible, profitable and healthy places to live and work and offers the LEED Green Building Rating System™.

U.S. Green Building Council


 

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