# Alteration or repair permit 7103559-CN at 1921 12th Ave S, Seattle

Seattle Department of Construction and Inspections permit 7103559-CN: issued Jan 7, 2026 for alteration or repair work at 1921 12th Ave S. Allow new attached accessory dwelling unit to existing single-family use per land use code. Construct alterations for a two-family dwelling per plan.

- Permit number: 7103559-CN
- Issued: Jan 7, 2026
- Type of work: Alteration or repair (city: Addition/Alteration, Single Family/Duplex)
- Status: Issued (city: Issued)
- Reported cost: $53,275
- ZIP code: 98144
- All permits at this address: https://nearbypermits.com/seattle/address/1921-12th-ave-s/

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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 13:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1921 12th Ave S: https://nearbypermits.com/seattle/address/1921-12th-ave-s/