# Tenant Improvment permit 6505326-BK at 601 Union St, Seattle

Seattle Department of Construction and Inspections permit 6505326-BK, issued Nov 20, 2015 for 601 Union St: tenant improvment. Blanket Permit for interior non-structural alterations for (arboretum mortgage) on 27th floor.

- Permit number: 6505326-BK
- Issued: Nov 20, 2015
- Type: Tenant Improvment
- Status: Completed
- Reported cost: Not listed
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/601-union-st/

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-01 12:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/