# Addition permit 7089561-CN at 823 20th Ave, Seattle

Seattle Department of Construction and Inspections permit 7089561-CN: issued Oct 1, 2025 for addition work at 823 20th Ave. Construct substantial alterations and additions for single-family residence per plan.

- Permit number: 7089561-CN
- Issued: Oct 1, 2025
- Type of work: Addition (city: Addition/Alteration, Single Family/Duplex)
- Status: Issued (city: Issued)
- Reported cost: $251,193
- ZIP code: 98122
- All permits at this address: https://nearbypermits.com/seattle/address/823-20th-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 2026-10-09 20:04 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 823 20th Ave: https://nearbypermits.com/seattle/address/823-20th-ave/