# Alteration or repair permit 6551067-CN at 1800 9th Ave, Seattle

Seattle Department of Construction and Inspections permit 6551067-CN: issued Aug 11, 2016 for alteration or repair work at 1800 9th Ave. Tenant Improvement to South portion of floor 12th Floor in an existing commercial building Subject To Field Inspection STFI.

- Permit number: 6551067-CN
- Issued: Aug 11, 2016
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $2,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/1800-9th-ave/

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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 2026-10-09 21:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1800 9th Ave: https://nearbypermits.com/seattle/address/1800-9th-ave/