PERMIT #7112143-CN
5404 20th Ave S, Seattle, WA
active2530 Construct detached accessory dwelling unit (DADU) accessory to single family residence per standard plan 6794017-SP. Demolish existing detached garage at 5404 20th Ave S, Seattle, WA in Other Seattle, Seattle. Permit 7112143-CN is active, valued at $202,684. Work is being performed by SEATTLE BUILDING & MGMT LLC.
Permit Timeline & Status
Construction Permit Timeline
Applied
October 17, 2025
In Review
3 cycles
Reviews Done
December 8, 2025
Ready to Issue
December 8, 2025
Issued
December 8, 2025
Completed
—
Expires
June 8, 2027
52
Plan Review Days — Total
40
Plan Review Days — City Control
12
Days in Applicant Control
3
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
5404 20TH AVE S, SEATTLE, WA Property
SEATTLE BUILDING & MGMT LLC Contractor
Other Seattle Neighborhood
Project Overview
Project Details
Value
$202,684
Type
Residential Construction
Issued
December 8, 2025
Location
Other Seattle
Contractor Information
Location & Map
Project Description
2530 Construct detached accessory dwelling unit (DADU) accessory to single family residence per standard plan 6794017-SP. Demolish existing detached garage.
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
SEATTBM821MR
Housing category
Single-Family Add/Alt
Review level
Full
Primary use
Single Family/Duplex
Parcel
DV1154455
Review cycles
3
Plan review days
52
Days in corrections
12
Expires
June 8, 2027
Existing units
0
Units added
1
Units removed
0
Sleeping rooms
0