# Alteration or repair permit 6243347-CN at 1420 5th Ave, Seattle

Seattle Department of Construction and Inspections permit 6243347-CN: issued May 11, 2010 for alteration or repair work at 1420 5th Ave. Construct interior non-structural tenant improvements to the 18th & 19th floors along with mechanical installations per plan.

- Permit number: 6243347-CN
- Issued: May 11, 2010
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $380,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/1420-5th-ave/

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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 2026-10-09 21:28 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1420 5th Ave: https://nearbypermits.com/seattle/address/1420-5th-ave/