ADU Builder Index

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Triple Z LLC

0completed ADU permits
1total ADU permits
2025–2025active years on record
median est. project cost

Washington state license

License
TRIPLZL820B5
Status
license active
Type
CONSTRUCTION CONTRACTOR
Expires
2026-09-18
Registered in
Sammamish, WA

As reported by WA L&I on 2026-08-30. Always re-verify at lni.wa.gov/verify.

Permit record

Every ADU-related permit in covered city records naming this contractor. Links go to each city's official permit portal.

PermitCityIssuedStatusEst. costAddressDescription
24 113190 BR2025-07-22Issued13716 NE 28th StYoga studio addition — Project is to add small yoga studio additional structure (not living space) of approximately 300 sq. ft. Structure is detached from primary residence. Work include new foundation, standard 2x6 framing and standard rafter roof with metal panels. Does not meet the definition of a dwelling unit, cannot be used for sleeping. Includes clearing & grading. Does not include mechanic

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