Preview 436,579 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-20.

Seattle · permit 6887695-CN

171 SW MICHIGAN ST

Establish use as utility services use per land use code. Construct new commercial building (King County West Duwamish CSO Control Facility) occupy per plan. Mechanical Included. (Construct 2 commercial buildings review and process for 2 CN's under 6887695-CN) Construct new below grade structure (CSO control structure) per plan.

Permit

Permit type
Building
Class
Non-residential
Trade
General/Building
Nature of work
New
Work
New
Status
Issued

Location

City
SEATTLE
State
WA
ZIP
98106

Dates

Applied
2024-02-16
Issued
2025-04-18
Expires
2026-10-18
Time to issue
427 days

Value and contractor

Declared value
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Total fee
N/A. Total fee is a premium field which requires a paid plan. However, this permit has no fee on record.

Seattle details

Review cycles
5
Days out for corrections
216
Permit class (Seattle detail)
Commercial

Data as of 2026-09-20. View the city's record

Other permits issued in Seattle, April 2025