PERMIT #7121512-CN
9521 12TH AVE NW, SEATTLE, WA
activePermit Timeline & Status
Construction Permit Timeline
Applied
January 22, 2026
In Review
2 cycles
Reviews Done
March 4, 2026
Ready to Issue
March 6, 2026
Issued
March 6, 2026
Completed
—
Expires
September 6, 2027
41
Plan Review Days — Total
30
Plan Review Days — City Control
11
Days in Applicant Control
2
Review Cycles
Permit issued — construction underway.
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
9521 12TH AVE NW, SEATTLE, WA Property
Crown Hill Neighborhood
Project Overview
Project Details
Value
$25,000
Type
Residential Construction
Issued
March 6, 2026
Location
Crown Hill
Contractor Information
Contractor
Owner/Lessee
Location & Map
Project Description
Basement to ADU conversion Allow new stacked accessory dwelling unit to existing single family use per land use code. Construct alterations for a two-family dwelling, per plan.
Additional Details
Permit Intelligence
Work performed by
Owner/Lessee
Housing category
Single-Family Add/Alt
Review level
Full +
Primary use
Single Family/Duplex
Parcel
DV1100141
Review cycles
2
Plan review days
41
Days in corrections
11
Expires
September 6, 2027
Existing units
0
Units added
1
Units removed
0
Sleeping rooms
0