# Alteration or repair permit 6672402-CN at 601 Union St, Seattle

Seattle Department of Construction and Inspections permit 6672402-CN: issued Dec 6, 2018 for alteration or repair work at 601 Union St. Change use from office to assembly and construct alterations for conference center on 49th floor of existing office building and occupy per plan.

- Permit number: 6672402-CN
- Issued: Dec 6, 2018
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Expired (city: Expired)
- Reported cost: $387,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/601-union-st/

---
Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-05 18:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 601 Union St: https://nearbypermits.com/seattle/address/601-union-st/