PERMIT #7084324-BK
601 UNION ST, SEATTLE, WA
completedPermit Timeline & Status
Construction Permit Timeline
Applied
May 8, 2025
In Review
—
Issued
May 28, 2025
Completed
September 30, 2025
Expires
November 28, 2026
All reviews complete — permit closed out.
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
$236,000
Type
Commercial Construction
Issued
May 28, 2025
Location
Downtown
Contractor Information
Contractor
Owner/Lessee
Location & Map
Project Description
TUS 3900 Kosmos Construct blanket permit tenant improvements to Kosmos Management LLC on the 39th floor of existing commercial building, per plan.
Additional Details
Permit Intelligence
Work performed by
Owner/Lessee
Review level
Full C
Primary use
Commercial
Parcel
DV0010156
Expires
November 28, 2026