# Addition permit 6076137-CN at 409 18th Ave E, Seattle

Seattle Department of Construction and Inspections permit 6076137-CN: issued Nov 10, 2005 for addition work at 409 18th Ave E. Closed as Incomplete - Expired Permit Construct 1-story addition with roof-top deck deck addition and alterations throughout existing single family residence and create accessory dwelling unit in basement per plan.

- Permit number: 6076137-CN
- Issued: Nov 10, 2005
- Type of work: Addition (city: Addition/Alteration, Single Family/Duplex)
- Status: Finished (city: Completed)
- Reported cost: $75,000
- ZIP code: 98112
- All permits at this address: https://nearbypermits.com/seattle/address/409-18th-ave-e/

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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 2026-10-08 06:52 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 409 18th Ave E: https://nearbypermits.com/seattle/address/409-18th-ave-e/