ADU Builder Index

← All builders

Chaffey Building Group LLC

4completed ADU permits
4total ADU permits
2012–2020active years on record
$419,107median est. project cost

Washington state license

License
CHAFFBG894KD
Status
license active
Type
CONSTRUCTION CONTRACTOR
Expires
2027-05-10
Registered in
KIRKLAND, 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
6748540-CN2020-06-11Completed$419,1072321 42ND AVE EEstablish use as and Construct single-family residence with detached accessory dwelling unit [DADU] per plan.
6577505-CN2017-08-12Completed$650,0006821 54TH AVE NEEstablish use as and construct a single-family residence and an accessory dwelling unit per plans
6369277-CN2013-12-10Completed$407,1982329 42ND AVE EEstablish use as single family residence and construct single family dwelling with detached accessory dwelling unit over new garage per plan.
6321739-CN2012-09-19Completed$376,3731871 MCGILVRA BLVD EEstablish use as single family residence and construct new single family residence with detached garage and dadu per plan

Is this your company? Claim this profile free to add your website, contact details, and corrections.

Or get featured — $99/mo, top placement above the rankings homeowners land on. How it works →