# Alteration or repair permit 6643443-CN at 1420 5th Ave, Seattle

Seattle Department of Construction and Inspections permit 6643443-CN: issued Apr 2, 2018 for alteration or repair work at 1420 5th Ave. Tenant improvement to office on the 5th floor occupy per plan.

- Permit number: 6643443-CN
- Issued: Apr 2, 2018
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $800,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/1420-5th-ave/

---
Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-09 07:16 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/