Construct new one-family dwelling (South DADU)
Alteration or repair at 4052 Williams Ave W, Seattle
Seattle Department of Construction and Inspections permit 7121560-CN: issued Jul 1, 2026 for alteration or repair work at 4052 Williams Ave W. Construct new one-family dwelling (South DADU) per plan. (Establish use as single-family residence with detached accessory dwelling unit per Land Use Code. Construct two new one-family dwellings per plan. Review and processing for two records under 7100718-CN.).
- Permit number
- 7121560-CN
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $219,389
- ZIP code
- 98199
- City's category
- Addition/Alteration, Single Family/Duplex
- City's status
- Issued
- 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 4052 Williams Ave W, and what's permitted nearby
Seattle Department of Construction and Inspections updated its data Oct 5, 2026. We checked it Oct 5, 15:04 UTC. Official data.
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