# Addition permit 6303017-CN at 3315 40th Ave W, Seattle

Seattle Department of Construction and Inspections permit 6303017-CN: issued Feb 17, 2012 for addition work at 3315 40th Ave W. Closed as incomplete - expired permit. Construct additions and alterations to existing single famiy residence / per plan.

- Permit number: 6303017-CN
- Issued: Feb 17, 2012
- Type of work: Addition (city: Addition/Alteration, Single Family/Duplex)
- Status: Finished (city: Completed)
- Reported cost: $130,000
- ZIP code: 98199
- All permits at this address: https://nearbypermits.com/seattle/address/3315-40th-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 2026-10-11 06:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3315 40th Ave W: https://nearbypermits.com/seattle/address/3315-40th-ave-w/