PERMIT #7114747-BK
601 Union St, Seattle, WA
completedTUS #3315 ALTI/Tiedemann Expansion Construct blanket permit tenant improvements to AlTi Tiedemann Global on the 33rd floor of existing commercial building at 601 Union St, Seattle, WA in Downtown, Seattle. Permit 7114747-BK is completed, valued at $320,000. Work is being performed by the property owner/lessee.
Permit Timeline & Status
Construction Permit Timeline
Applied
November 3, 2025
In Review
1 cycle
Reviews Done
November 4, 2025
Ready to Issue
November 5, 2025
Issued
November 6, 2025
Completed
June 1, 2026
Expires
May 6, 2027
1
Plan Review Days — Total
1
Plan Review Days — City Control
0
Days in Applicant Control
1
Review Cycles
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
$320,000
Type
Commercial Construction
Issued
November 6, 2025
Location
Downtown
Contractor Information
Contractor
Owner/Lessee
Location & Map
Project Description
TUS #3315 ALTI/Tiedemann Expansion Construct blanket permit tenant improvements to AlTi Tiedemann Global on the 33rd 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
Review cycles
1
Plan review days
1
Days in corrections
0
Expires
May 6, 2027