Building Division Information

The Building Division performs permit reviews, code interpretations, building inspections, and code enforcement.

What work does not require a building permit? Click here for a list

Apply for a building permit here

Contact a Permit Tech with any questions at or 360-336-6214. 

Currently Adopted Codes
Design Criteria
Ground Snow Load: 25
Wind Speed (mph): 85 cont. 110 gust
Seismic Design Category: D1
Subject to Damage From
-Weathering: MOD
-Frost Depth: 12
-Termite: STM
-Decay: TM
Winter Design Temp: 22
Flood Hazards: 1985
Ice Shield Under Req: No
Air Feezing Index: 129
Mean Annual Temp: 50.5
2021 ICC Code Update Information

The WA State Building Code Council voted on May 24, 2023, to delay the effective date of the 2021 codes for 120 days. The new effective date for all building codes is October 29, 2023. Previously, the effective date was July 1, 2023. 

Here is a link to the new Wildland Urban Interface Code (WUI). This is a new code that will come into effect with the 2021 Updates. This may be a significant impact to projects in our area. 

  1. Development Services

    Physical Address
    910 Cleveland Avenue
    Mount Vernon, WA 98273

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