# Alteration or repair permit 7091394-CN at 640 S Massachusetts St, Seattle

Seattle Department of Construction and Inspections permit 7091394-CN: issued Mar 31, 2026 for alteration or repair work at 640 S Massachusetts St. Construct alterations to tanks (KCMT) at Central Base Fuel & Wash Building existing industrial building per plan. (Construct alterations to tanks at west Central Base Fuel & Wash Building Non-Revenue Building and Atlantic Base Maintenance Building existing industrial buildings per plan. Review and processing for three records under 7091394-CN.).

- Permit number: 7091394-CN
- Issued: Mar 31, 2026
- Type of work: Alteration or repair (city: Addition/Alteration, Commercial)
- Status: Issued (city: Issued)
- Reported cost: $733,333
- ZIP code: 98134
- All permits at this address: https://nearbypermits.com/seattle/address/640-s-massachusetts-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 2026-10-08 09:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 640 S Massachusetts St: https://nearbypermits.com/seattle/address/640-s-massachusetts-st/