# Alteration or repair permit 6635146-CN at 900 4th Ave, Seattle

Seattle Department of Construction and Inspections permit 6635146-CN: issued Jul 2, 2018 for alteration or repair work at 900 4th Ave. Construct tenant improvements to existing high rise office building at the 24th floor occupy per plan.

- Permit number: 6635146-CN
- Issued: Jul 2, 2018
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Expired (city: Expired)
- Reported cost: $144,500
- ZIP code: 98104
- All permits at this address: https://nearbypermits.com/seattle/address/900-4th-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 2026-10-11 05:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 900 4th Ave: https://nearbypermits.com/seattle/address/900-4th-ave/