# Addition permit 6626779-CN at 999 3rd Ave, Seattle

Seattle Department of Construction and Inspections permit 6626779-CN: issued Jan 25, 2019 for addition work at 999 3rd Ave. Alterations and repairs to existing plaza levels 1 2 and 3 of existing office tower construct retail additions at levels 1 and 2 and occupy per plans. Project includes mechanical work.

- Permit number: 6626779-CN
- Issued: Jan 25, 2019
- Type of work: Addition (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $10,111,785
- ZIP code: 98104
- All permits at this address: https://nearbypermits.com/seattle/address/999-3rd-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 11:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 999 3rd Ave: https://nearbypermits.com/seattle/address/999-3rd-ave/