# Alteration or repair permit 7122227-CN at 506 20th Ave, Seattle

Seattle Department of Construction and Inspections permit 7122227-CN: issued Jan 6, 2026 for alteration or repair work at 506 20th Ave. Alterations to existing duplex subject to field inspection (STFI).

- Permit number: 7122227-CN
- Issued: Jan 6, 2026
- Type of work: Alteration or repair (city: Addition/Alteration, Single Family/Duplex)
- Status: Finished (city: Completed)
- Reported cost: $28,500
- ZIP code: 98122
- All permits at this address: https://nearbypermits.com/seattle/address/506-20th-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 2026-10-08 15:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 506 20th Ave: https://nearbypermits.com/seattle/address/506-20th-ave/