# Addition permit 6715378-CN at 817 W Barrett St, Seattle

Seattle Department of Construction and Inspections permit 6715378-CN: issued Aug 13, 2021 for addition work at 817 W Barrett St. Construct a 2nd floor addition and substantial alterations to existing detached garage for a single-family residence to create a detached accessory dwelling unit (DADU) per plan.

- Permit number: 6715378-CN
- Issued: Aug 13, 2021
- Type of work: Addition (city: Addition/Alteration, Single Family/Duplex)
- Status: Expired (city: Expired)
- Reported cost: $100,000
- ZIP code: 98119
- All permits at this address: https://nearbypermits.com/seattle/address/817-w-barrett-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 2026-10-07 15:48 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 817 W Barrett St: https://nearbypermits.com/seattle/address/817-w-barrett-st/