# Alteration or repair permit 6570484-CN at 321 Mercer St, Seattle

Seattle Department of Construction and Inspections permit 6570484-CN: issued Sep 19, 2017 for alteration or repair work at 321 Mercer St. Construct alterations to an existing institutional building (McCaw Hall) along the East elevation per plan.

- Permit number: 6570484-CN
- Issued: Sep 19, 2017
- Type of work: Alteration or repair (city: Addition/Alteration, Institutional)
- Status: Finished (city: Completed)
- Reported cost: $20,000
- ZIP code: 98109
- All permits at this address: https://nearbypermits.com/seattle/address/321-mercer-st/

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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 01:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 321 Mercer St: https://nearbypermits.com/seattle/address/321-mercer-st/