PERMIT #7127594-CN
4520 Beach Dr SW, Seattle, WA
activeBeach Drive Basement Remodel for AADU Allow housing for one new stacked dwelling unit within an existing structure, per land use code. Construct alterations at basement for a two family dwelling at 4520 Beach Dr SW, Seattle, WA in West Seattle, Seattle. Permit 7127594-CN is active, valued at $100,000. Work is being performed by TREEBIRD LLC.
Permit Timeline & Status
Construction Permit Timeline
Applied
February 19, 2026
In Review
3 cycles
Reviews Done
March 30, 2026
Ready to Issue
March 31, 2026
Issued
March 31, 2026
Completed
—
Expires
September 30, 2027
38
Plan Review Days — Total
34
Plan Review Days — City Control
4
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
Project Overview
Project Details
Value
$100,000
Type
Residential Construction
Issued
March 31, 2026
Location
West Seattle
Contractor Information
Location & Map
Project Description
Beach Drive Basement Remodel for AADU Allow housing for one new stacked dwelling unit within an existing structure, per land use code. Construct alterations at basement for a two family dwelling, per plan.
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
TREEBL*968OH
Housing category
Single-Family Add/Alt
Review level
Full +
Primary use
Single Family/Duplex
Parcel
DV1163191
Review cycles
3
Plan review days
38
Days in corrections
4
Expires
September 30, 2027
Existing units
0
Units added
1
Units removed
0
Sleeping rooms
0