HAAS DEVELOPMENT & CONST CO
Detached (DADU) & Attached builder · Seattle, King County
Licensed — WA L&I (HAASDDC842QA)17 ADUs permitted
in Seattle / King County · verified from public permit records
Verified permits
17
Permitting since
2018
Service area
King County
ADU types
Detached (DADU)Attached
Verified permit record
17 ADU building permits on public record in King County, 2018–2025 — 14 detached, 3 attached. Drawn from City of Seattle permit data and matched to HAAS DEVELOPMENT & CONST CO's Washington contractor registration. Project addresses are not published.
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Project photos
Project photos appear once HAAS DEVELOPMENT & CONST CO claims this listing.
About
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Permit record: City of Seattle SDCI permit data.
License status: WA L&I (data.wa.gov).