# Addition permit 7075029-CN at 13512 1st Ave NW, Seattle

Seattle Department of Construction and Inspections permit 7075029-CN: issued Feb 24, 2026 for addition work at 13512 1st Ave NW. Construct new single-family residence and convert existing SFR to AADU. Construct addition and substantial alterations to existing dwelling and convert to two family dwelling per plan.

- Permit number: 7075029-CN
- Issued: Feb 24, 2026
- Type of work: Addition (city: Addition/Alteration, Single Family/Duplex)
- Status: Issued (city: Issued)
- Reported cost: $807,814
- ZIP code: 98177
- All permits at this address: https://nearbypermits.com/seattle/address/13512-1st-ave-nw/

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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 2026-10-14 09:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 13512 1st Ave NW: https://nearbypermits.com/seattle/address/13512-1st-ave-nw/