# Addition permit 6248972-CN at 3617 12th Ave W, Seattle

Seattle Department of Construction and Inspections permit 6248972-CN: issued Oct 15, 2010 for addition work at 3617 12th Ave W. Construct addition and alter existing single family residence per plan.

- Permit number: 6248972-CN
- Issued: Oct 15, 2010
- Type of work: Addition (city: Addition/Alteration, Single Family/Duplex)
- Status: Finished (city: Completed)
- Reported cost: $66,740
- ZIP code: 98119
- All permits at this address: https://nearbypermits.com/seattle/address/3617-12th-ave-w/

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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 2026-10-18 09:07 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3617 12th Ave W: https://nearbypermits.com/seattle/address/3617-12th-ave-w/