COLLABORATIVE CONSTRUCTION LLC
Attached builder · Seattle, King County
WA L&I registration: unknown (as of May 2026)1 ADUs permitted
in Seattle / King County · verified from public permit records
Verified permits
1
Permitting since
2016
Service area
King County
ADU types
Attached
Verified permit record
1 ADU building permits on public record in King County, 2016 — 1 attached. Drawn from City of Seattle permit data and matched to COLLABORATIVE CONSTRUCTION LLC's Washington contractor registration. Project addresses are not published.
Project photos
Project photos appear once COLLABORATIVE CONSTRUCTION LLC claims this listing.
About
No description added yet.
Permit record: City of Seattle SDCI permit data.
License status: WA L&I (data.wa.gov).