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Irrigation systems are required to have backflow protection. A plumbing permit is required to install a backflow prevention assembly.
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Duvall Municipal Code Title 10, Building and Construction, Chapter 10.01 Construction Codes, requires that any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a structure. A permit is also required to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by Chapter 10.01, or to cause and such work to be done, shall first make application to the Building Official and obtain the required permit.
Permit applications include a list of submittal requirements. You may also call the building department at 425-788-2779 or email firstname.lastname@example.org
Go to the Building Department page to download the appropriate applications or via email email@example.com or phone at 425-788-2779 and the application package may be sent to you.
Until further notice, appointments are required for permit pick-up and/or plan drop off. We have a contactless process for drop-off/pick-up. Please email at firstname.lastname@example.org or call at 425-788-2779 to reach our Permit center to schedule an appointment.
Complete the appropriate permit application form and email to email@example.com 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.
The City of Duvall Fee Resolution can be found on the City of Duvall’s website at this link. You may also call the Permit Center at 425-788-2779 or email firstname.lastname@example.org
The Building Department does not take credit cards or cash, please bring a check with you when you come to pick up 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 Permit Center at 425-788-2779 or email email@example.com.
For information on mitigation fees, view the City of Duvall Fee Resolution (15-03) or call the Permit Center at 425-788-2779
You may call the Permit Center at 425-788-2779 for status updates.
To schedule an inspection for any issued permit please call the inspection line at 425-788-1160 or email firstname.lastname@example.org at least 24 hours in advance.
The City of Duvall does not issue Electrical Permits. Contact the Washington State Department of Labor and Industries (L&I) as the agency that has the authority to issue Electrical Permits in Duvall. Contact L&I at 425-990-1400, or visit the L&I Website for more information.
If you intend to hire a contractor please review the information provided on the Washington State Department of Labor and Industries website. Please read the State of Washington’s Requirements if you plan on acting as your own contractor.
After obtaining the proper permits any person may work on their own property, whether they occupy the property or not. Owners of commercial properties may use their own employees to do maintenance, repair, and alteration work on their own properties. A tenant may work on their tenant space with permission from the owner. See RCW 18.27.090 for more information.
Work on a project may not begin before the proper permits are obtained and the permit(s) and approved plans are on site.
The City of Duvall follows the Washington State Retention Schedule. Residential plans are destroyed 90 days after final occupancy. For public records, you can request them at this link.