# Alteration or repair permit 6451065-BK at 900 4th Ave, Seattle

Seattle Department of Construction and Inspections permit 6451065-BK, issued Jan 13, 2015 for 900 4th Ave: alteration or repair. Blanket Permit for interior non-structural alterations 19th floor (Tenant Sweetlabs) per plan

- Permit number: 6451065-BK
- Issued: Jan 13, 2015
- Type of work: Alteration or repair (city: Tenant Improvment, N/A)
- Status: Finished (city: Completed)
- Reported cost: Not listed
- 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). Checked 2026-10-01 16:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/