PERMIT #7125654-CN
3447 12TH AVE W, SEATTLE, WA
completedPermit Timeline & Status
Construction Permit Timeline
Applied
January 20, 2026
In Review
0 cycles
Ready to Issue
January 20, 2026
Issued
January 26, 2026
Completed
April 23, 2026
Expires
July 26, 2027
0
Days in Applicant Control
0
Review Cycles
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
3447 12TH AVE W, SEATTLE, WA Property
Renovation at 3447 12TH AVE W Project
M&B CONSTRUCTION Contractor
Interbay Neighborhood
Project Overview
Project Details
Value
$80,000
Type
Residential Construction
Issued
January 26, 2026
Location
Interbay
Contractor Information
Location & Map
Project Description
Construct interior remodel to basement and main floor plan of existing SFR, per STFI
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
MBCONC*836NT
Housing category
Single-Family Add/Alt
Review level
Field
Primary use
Single Family/Duplex
Parcel
DV0090204
Review cycles
0
Days in corrections
0
Expires
July 26, 2027