# Alteration or repair permit 6252448-CN at 820 18th Ave, Seattle

Seattle Department of Construction and Inspections permit 6252448-CN: issued Aug 16, 2010 for alteration or repair work at 820 18th Ave. Closed as incomplete - expired permit. Voluntary seismic upgrades and re-roof existing private school per plan.

- Permit number: 6252448-CN
- Issued: Aug 16, 2010
- Type of work: Alteration or repair (city: Addition/Alteration, Institutional)
- Status: Finished (city: Completed)
- Reported cost: $120,000
- ZIP code: 98122
- All permits at this address: https://nearbypermits.com/seattle/address/820-18th-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 2026-10-10 17:32 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 820 18th Ave: https://nearbypermits.com/seattle/address/820-18th-ave/