Mount Vernon building permits
Department contacts, adopted codes, permit types, fees, and gotchas for Mount Vernon, Washington.
Last verified 2026-09-15 · Source · Embed this page’s badge · Version history
Building department
- Address
- 910 Cleveland Ave, Mount Vernon, WA 98273
- Phone
- (360) 336-6211
- Office hours
- Not published on the pages read for this entry — confirm before travelling.
- Website
- Official site
Codes adopted
The State Building Code is in effect in every county and city in Washington, and its minimum performance standards may not be diminished locally. A local amendment that affects single-family or multifamily residential buildings is not effective unless the State Building Code Council approves it; amendments to non-residential provisions carry no such approval requirement.
- Washington State Building Code (RCW 19.27) — the statewide code that Mount Vernon administers locally.
- Mount Vernon Municipal Code (Code Publishing) — the city's own code, carrying its local amendments.
Permit types & fees
Building Permit
Required for construction, alteration and repair work in Mount Vernon. Administered by the city under the Washington State Building Code (RCW 19.27) as amended locally.
See fee scheduleVerify a Contractor Licence
Washington requires contractors to be registered with the Department of Labor & Industries. Registration is verified with the state, not with Mount Vernon.
See fee schedule
Mount Vernon's permit history isn't searchable here yet
This page covers what the permit requires. What we don't have for Mount Vernon yet is the record of permits actually issued — the history you'd search by street address. That is a gap in our coverage, not a statement about any particular property.
Your email, and the place — never an address. We only use it to tell you when Mount Vernon lands. Privacy.
New residential construction activity
New privately-owned residential construction onlyHousing units authorized by building permits for new privately-owned residential construction — this is not total permit volume (no commercial permits or remodels).
- Latest month (2026-07)
- 3units
3 buildings · $905,735 valuation
- Trailing 12 months
- 61units
12 of 12 months reported · #18 in Washington coverage by units
- Year to date (2026 YTD through 2026-07)
- 20units
20 buildings · $6.9M valuation
7 month(s) reported to Census
- Full year 2025
- 67units
32 buildings · $14.4M valuation
Source: U.S. Census Bureau, Building Permits Survey (BPS), 2026-07 vintage. Census survey data — separate from the permit-requirements verification above. All Washington building activity
Tips & gotchas
- Washington's building code is statewide under RCW 19.27, so the technical requirement is largely the same across cities — what changes locally is administration, fees and any local amendment.
- This guide deliberately does NOT print Mount Vernon's per-bracket permit fees. Its fee table's brackets and amounts do not stay aligned when read mechanically, and a real number against the wrong valuation band is worse than no number.
- Read the fee schedule directly: the Development Services Fees schedule published by the Development Services Department.
- Contractor registration in Washington is a STATE record held by Labor & Industries, not a city licence.