PERMIT #7050089-CN
3021 20TH AVE S, SEATTLE, WA
activePermit Timeline & Status
Construction Permit Timeline
Applied
April 25, 2025
In Review
—
Issued
December 1, 2025
Completed
—
Expires
June 1, 2027
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
BACKYARD ADU LLC Contractor
Beacon Hill Neighborhood
Project Overview
Project Details
Value
$391,349
Type
Residential Construction
Issued
December 1, 2025
Location
Beacon Hill
Contractor Information
Location & Map
Project Description
Existing SFR+AADU - New SFR+AADU Four dwelling units total Construct addition and substantial alterations to west one-family dwelling for a two-family dwelling, per plan. (Allow (2) attached accessory dwelling units - one for a new-single family residence and one for an existing single-family residence per the land use code. Construct addition and substantial alterations to (1) existing one-family dwelling for a two-family dwelling and construct (1) new two-family dwelling, per plans. Reviews and processing for (2) CN's under 7050089)
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
BACKYAL786JM
Review level
Full C
Primary use
Single Family/Duplex
Parcel
DV0061096
Expires
June 1, 2027
Existing units
0
Sleeping rooms
0