# Alteration or repair permit 6501243-BK at 401 1st Ave S, Seattle

Seattle Department of Construction and Inspections permit 6501243-BK: issued Jan 4, 2016 for alteration or repair work at 401 1st Ave S. Blanket Permit for interior non-structural alterations on floor 5 for Optimum Energy per plan.

- Permit number: 6501243-BK
- Issued: Jan 4, 2016
- Type of work: Alteration or repair (city: Tenant Improvment, N/A)
- Status: Finished (city: Completed)
- Reported cost: Not listed
- ZIP code: 98104
- All permits at this address: https://nearbypermits.com/seattle/address/401-1st-ave-s/

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-13 05:38 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 401 1st Ave S: https://nearbypermits.com/seattle/address/401-1st-ave-s/