# Alteration or repair permit 7143508-CN at 309 N 73rd St, Seattle

Seattle Department of Construction and Inspections permit 7143508-CN: issued May 16, 2026 for alteration or repair work at 309 N 73rd St. Construct engineered voluntary seismic upgrade to basement of SFR STFI.

- Permit number: 7143508-CN
- Issued: May 16, 2026
- Type of work: Alteration or repair (city: Addition/Alteration, Single Family/Duplex)
- Status: Finished (city: Completed)
- Reported cost: $4,500
- ZIP code: 98103
- All permits at this address: https://nearbypermits.com/seattle/address/309-n-73rd-st/

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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 2026-10-10 12:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 309 N 73rd St: https://nearbypermits.com/seattle/address/309-n-73rd-st/