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 permittech@mountvernonwa.gov or 360-336-6214. 


Currently Adopted Codes
  • 2021 ICC Codes including Washington State Amendments (IBC, IEBC, IRC, IFC, IMC, UPC, etc.)
  • 2017 Washington Accessibility Code
  • 2021 Washington State Energy 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
  1. Development Services


    Physical Address
    910 Cleveland Avenue
    Mount Vernon, WA 98273



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