PERMIT #7123879-CN
6431 Beacon Ave S, Seattle, WA
activeBeacon Duplex Change of use from principal detached dwelling unit to principal stacked dwelling unit, per land use code. Construct alterations to change one-family dwelling to two-family dwelling at 6431 Beacon Ave S, Seattle, WA in Other Seattle, Seattle. Permit 7123879-CN is active, valued at $170,000. Work is being performed by MASTER ROOM LLC.
Permit Timeline & Status
Construction Permit Timeline
Applied
January 26, 2026
In Review
4 cycles
Reviews Done
May 11, 2026
Ready to Issue
May 13, 2026
Issued
May 13, 2026
Completed
—
Expires
November 13, 2027
104
Plan Review Days — Total
66
Plan Review Days — City Control
38
Days in Applicant Control
4
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
MASTER ROOM LLC Contractor
Other Seattle Neighborhood
Project Overview
Project Details
Value
$170,000
Type
Residential Construction
Issued
May 13, 2026
Location
Other Seattle
Contractor Information
Location & Map
Project Description
Beacon Duplex Change of use from principal detached dwelling unit to principal stacked dwelling unit, per land use code. Construct alterations to change one-family dwelling to two-family dwelling, per plan
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
MASTERL823P9
Housing category
Single-Family Add/Alt
Review level
Full +
Primary use
Single Family/Duplex
Parcel
DV0006489
Review cycles
4
Plan review days
104
Days in corrections
38
Expires
November 13, 2027
Existing units
1
Units added
1
Units removed
0
Sleeping rooms
0