# Addition permit 6075955-CN at 900 4th Ave, Seattle

Seattle Department of Construction and Inspections permit 6075955-CN: issued May 18, 2006 for addition work at 900 4th Ave. Phase II of III for a substantial alteration & construction of a 23-story highrise addition /structural frame for new high-rise tower/no occupancy/build per plan (MUP 2409249).

- Permit number: 6075955-CN
- Issued: May 18, 2006
- Type of work: Addition (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $5,255,000
- 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 00:52 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/