Permitting

The permitting center is located at 14525 Main St NE, Duvall, WA 98019, and is open for in-person services during these hours:

Monday-Thursday 8:00 am - 3:00 pm

Friday by appointment only

Please note that the permit counter is closed for lunch from 12:00 pm to 12:30 pm

Building Codes

NEW! WA Initiative 2066 Assumption of Risk Statements Required for New Construction Applications

Initiative 2066 passed during the Washington State general election in 2024, guaranteeing access to natural gas as an energy choice for citizens. The Washington state energy code may not in any way prohibit, penalize, or discourage the use of gas for any form of heating, or for uses related to any appliance or equipment, in any building. The following Assumption of Risk Statement is REQUIRED for all new construction permits as of December 5, 2024.

Assumption of Risk Statement

As of March 15, 2024, the following Washington State Building Codes are in effect.  

  • 2021 International Building Code
  • 2021 International Residential Code
  • 2021 International Mechanical Code (and associated codes)
  • 2021 International Fire Code
  • 2021 Uniform Plumbing Code
  • 2021 Washington State Energy Code

2021 International Residential Code: Significant Changes

2021 International Building Code: Significant Changes

It is the City's goal to bring the builders, design professionals, and homeowners in our community up to date. Visit our Building Codes page for more details.

PENDING 2021 Wildland-Urban Interface Code

The Wildland-Urban Interface (WUI) Code is a set of regulations aimed at protecting life and property from wildland fires in areas where human development meets undeveloped land and vegetative fuels. The WUI affects the construction, alteration, movement, repair, maintenance and use of any building, structure, or premises within the wildland-urban interface areas in this jurisdiction.  

International Wildland-Urban Interface Code: Introduction

International Wildland-Urban Interface Code: Decks

International Wildland-Urban Interface Code: Roofs

International Wildland-Urban Interface Code: Accessory Structures


Inspections

If you have an online permit request your inspections by logging into your viewpoint cloud account, go to My Account > Inspections select your permit and then click Request Inspection. You will be prompted to choose a date and add comments. Please note:

  • All inspections must be scheduled at least 24 hours in advance. 
  • The cut off time for inspection requests is 3 p.m. 
  • Inspections can be scheduled during business hours between the hours of 8:00 am and 3:00 pm except holidays.

Alternatively, inspections can be scheduled by emailing permit.technician@duvallwa.gov or calling 425.788.1160 and providing the following information:

  • Permit Number
  • Address
  • Type of Inspection
  • Contact name and phone number

Permit Applications

Online Permitting Site 

Building permit applications can be submitted through our online permitting site:

https://duvallwa.portal.opengov.com/ (opens in a new tab)

Applications submitted outside of office hours will be processed the next business day between the hours of 7:30 am – 3:30 pm.

Accepted methods of payment: Check, Money Order, Cash, Cashier's Check or Credit/Debit Cards (subject to fees). You may also pay by E-Check using your banking account. Once your application  has been reviewed and approved you will receive an email from our Citizen Services portal requesting payment.

See also: Land Use Applications

Please refer to the King County Construction and Demolition Materials Management page to find more about requirements for handling construction and demolition materials. 

Construction and Demolition Recycling Requirements (opens in a new tab)


Submittal Requirements

Permit applications include a list of submittal requirements. You may also call the building department at 425-788-2779 or email permit.technician@duvallwa.gov. 

Please read the State of Washington’s Requirements (opens in a new tab) if you plan on acting as your own contractor.

Requirements for New Construction: Building Permit Intake Checklist (opens in a new tab)

Requirements for Commercial & Multifamily: Submittal Checklist  (opens in a new tab)

Requirements for Decks: Single-Family Deck Checklist (opens in a new tab)

Requirements for Site Plan Submittals: Site Plan Checklist (opens in a new tab)

Requirements for Small Commercial & Tenant Improvements: TI Checklist (opens in a new tab)

Required for all mechanical permits where refrigerant lines are installed: Pressure Test Affidavit (opens in a new tab)

Alternate Materials, Design, & Methods of Construction & Equipment  (opens in a new tab)

Residential Energy Code Compliance: 

Read our Frequently Asked Questions (opens in a new tab)


Permit Fees and Paying for Your Permit

If you would like to discuss the cost of the permit before you submit your application, as well as when payment will be required for your specific project, contact the Building Department.

Fee Schedule (opens in a new tab)

Submittal Fee Memo: Tenant Improvement Permit (opens in a new tab)

Submittal Fee Memo: New Residential and Commercial Building Permits