Construct new single-family residence and convert existing SFR to AADU
Addition at 13512 1st Ave NW, Seattle
Seattle Department of Construction and Inspections permit 7075029-CN: issued Feb 24, 2026 for addition work at 13512 1st Ave NW. Construct new single-family residence and convert existing SFR to AADU. Construct addition and substantial alterations to existing dwelling and convert to two family dwelling per plan.
- Permit number
- 7075029-CN
- Issued
- Type of work
- Addition
- Status
- Issued
- Reported cost
- $807,814
- ZIP code
- 98177
- 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 13512 1st Ave NW, and what's permitted nearby
Seattle Department of Construction and Inspections updated its data Oct 11, 2026. We checked it Oct 12, 13:14 UTC. See the city's official records (City of Seattle).
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