# New building permit 6790571-CN at 5404 S Grattan St, Seattle

Seattle Department of Construction and Inspections permit 6790571-CN: issued Dec 27, 2020 for new building work at 5404 S Grattan St. Establish use and construct a detached accessory dwelling unit (DADU) for a single-family residence per plan.

- Permit number: 6790571-CN
- Issued: Dec 27, 2020
- Type of work: New building (city: Addition/Alteration, Single Family/Duplex)
- Status: Expired (city: Expired)
- Reported cost: $200,000
- ZIP code: 98118
- All permits at this address: https://nearbypermits.com/seattle/address/5404-s-grattan-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 2026-10-09 09:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 5404 S Grattan St: https://nearbypermits.com/seattle/address/5404-s-grattan-st/