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.
| Permit | City | Issued | Status | Est. cost | Address | Description |
|---|---|---|---|---|---|---|
| 6748540-CN | 2020-06-11 | Completed | $419,107 | 2321 42ND AVE E | Establish use as and Construct single-family residence with detached accessory dwelling unit [DADU] per plan. | |
| 6577505-CN | 2017-08-12 | Completed | $650,000 | 6821 54TH AVE NE | Establish use as and construct a single-family residence and an accessory dwelling unit per plans | |
| 6369277-CN | 2013-12-10 | Completed | $407,198 | 2329 42ND AVE E | Establish use as single family residence and construct single family dwelling with detached accessory dwelling unit over new garage per plan. | |
| 6321739-CN | 2012-09-19 | Completed | $376,373 | 1871 MCGILVRA BLVD E | Establish use as single family residence and construct new single family residence with detached garage and dadu per plan |
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