Allow new detached accessory dwelling unit to existing single family use per land use code
New building at 8347 20th Ave NW, Seattle
Seattle Department of Construction and Inspections permit 7056202-CN: issued Sep 10, 2025 for new building work at 8347 20th Ave NW. Allow new detached accessory dwelling unit to existing single family use per land use code. Construct as new one-family dwelling with existing garage to be removed per plan.
- Permit number
- 7056202-CN
- Issued
- Type of work
- New building
- Status
- Finished
- Reported cost
- $117,854
- ZIP code
- 98117
- City's category
- Addition/Alteration, Single Family/Duplex
- City's status
- Completed
- Source
- Seattle Department of Construction and Inspections permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 8347 20th Ave NW, and what's permitted nearby
Seattle Department of Construction and Inspections updated its data Oct 9, 2026. We checked it Oct 9, 12:44 UTC. See the city's official records (City of Seattle).
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