6-Month Sewer Moratorium Extended: On March 15, 2022, the City of Duvall extended the moratorium an additional six months. 

6-Month Sewer Moratorium. On September 21, 2021, the City of Duvall passed a 6-month Emergency Ordinance that prohibits, with exceptions, connections to the sewer system and became effective immediately. See Frequently Asked Questions document for additional details. See Sewer Moratorium Application

Re-Opening. The City of Duvall welcomes visitors back for in-person services starting Monday, April 4th, due to the slowing spread of coronavirus. A cautious, phased transition will be used, and facilities will be open during limited hours:

Monday-Thursday 10:00 am - 2:00 pm

Friday 8:00 am - 12:00 pm

Use of online city services whenever possible is encouraged.

Visitors will not be required to mask, but masks are advised and will be available free of charge.

Permit Applications

See also: Land Use Applications, Tree Removal, Fence Permit

Applying for a Permit

Complete the appropriate permit application form and email to or schedule a time to drop-off at City Hall 15535 Main St. NE. Building permit forms can be found on the Building Department page.

  • All appointments must be made a minimum of 24 hours in advance by phone or email. Permit Submittal Hours are Monday-Friday from 7:30am-3:00pm.

Submittal Requirements

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

Please read the State of Washington’s Requirements if you plan on acting as your own contractor

Requirements for new construction: Building Permit Intake Checklist

Permit Fees and Paying for Your Permit

A check, made out to the City of Duvall, can be sent in the mail to City Hall at P.O. Box 1300, Duvall, WA 98019 Attn: Building with reference to permit # provided. The Building Department does not take credit cards or cash. 

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.

Fees: Permit and Land Use 2022

Fees: Impact and Land Use 2022 

Fees: Hourly Rates 2022

Submittal Fee Memo: Tenant Improvement Permit

Submittal Fee Memo: New Residential and Commercial Building Permits