# Alteration or repair permit 6338721-CN at 1900 9th Ave, Seattle

Seattle Department of Construction and Inspections permit 6338721-CN: issued Jan 18, 2013 for alteration or repair work at 1900 9th Ave. Tenant improvements to existing basement and first floor research lab space for Children's Research Institute per plans. (project includes mechanical work).

- Permit number: 6338721-CN
- Issued: Jan 18, 2013
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $600,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/1900-9th-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 2026-10-11 08:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1900 9th Ave: https://nearbypermits.com/seattle/address/1900-9th-ave/