ADU Builder Index

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J A S Design Build Inc.

3completed ADU permits
3total ADU permits
2007–2014active years on record
$160,080median est. project cost

Washington state license

License
JASDEBI023PN
Status
license re-licensed
Type
CONSTRUCTION CONTRACTOR
Expires
2024-12-05
Registered in
SEATTLE, 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
6408341-CN2014-07-08Completed$68,525187 37TH AVE EConstruct new detached accessory dwelling unit adjacent to single family residence per plans.
6246290-CN2010-07-06Completed$160,0804416 THACKERAY PL NEConstruct basement and 2nd story additions; alter 1st floor and create basement accessory dwelling unit (ADU) to (E) SFR per plan.
6114190-CN2007-01-16Completed$401,8971600 WARREN AVE NSFR remodel and addition to include the creation of an accessory dwelling unit establish surface parking per plans.

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