# Alteration or repair permit 6404667-CN at 1800 9th Ave, Seattle

Seattle Department of Construction and Inspections permit 6404667-CN: issued Feb 18, 2014 for alteration or repair work at 1800 9th Ave. Construct interior alterations to the 15th floor of existing commercial building per floor plan subject to field inspection (STFI).

- Permit number: 6404667-CN
- Issued: Feb 18, 2014
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $5,000
- 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 2026-10-10 18:52 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/