PERMIT #7078653-CN
3645 C 22nd Ave W, Seattle, WA
completed3645 C 22ND AVE W - Ext'g TH Unit C 2nd floor Alterations Construct alterations to existing Townhouse building at 3645 C 22nd Ave W, Seattle, WA in Interbay, Seattle. Permit 7078653-CN is completed, valued at $16,145. Work is being performed by CASTELLO DESIGN BUILD LLC.
Permit Timeline & Status
Construction Permit Timeline
Applied
June 10, 2025
In Review
—
Issued
July 14, 2025
Completed
September 8, 2025
Expires
January 14, 2027
All reviews complete — permit closed out.
Plan-review data from Seattle DCI. “City control” is total plan-review days minus the days the applicant held the permit for corrections.
Explore This Record
Project Overview
Project Details
Value
$16,145
Type
Residential Construction
Issued
July 14, 2025
Location
Interbay
Contractor Information
Location & Map
Project Description
3645 C 22ND AVE W - Ext'g TH Unit C 2nd floor Alterations Construct alterations to existing Townhouse building, per plan.
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
CASTEDB806LJ
Review level
Full +
Primary use
Single Family/Duplex
Parcel
DV0336759
Expires
January 14, 2027
Existing units
1
Sleeping rooms
3