# Alteration or repair permit 6673299-CN at 1815 12th Ave, Seattle

Seattle Department of Construction and Inspections permit 6673299-CN: issued Aug 31, 2018 for alteration or repair work at 1815 12th Ave. Construct alterations to an existing commercial building at the rooftop level minor communications antenna facility (AT&T) and at equipment room per plan.

- Permit number: 6673299-CN
- Issued: Aug 31, 2018
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $15,000
- ZIP code: 98122
- All permits at this address: https://nearbypermits.com/seattle/address/1815-12th-ave/

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-05 19:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1815 12th Ave: https://nearbypermits.com/seattle/address/1815-12th-ave/