Er Construction LLC
1completed ADU permits
1total ADU permits
2020–2020active years on record
$175,000median est. project cost
Washington state license
- License
- ERCONCL877OK
- Status
- license active
- Type
- CONSTRUCTION CONTRACTOR
- Expires
- 2027-11-04
- 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.
| Permit | City | Issued | Status | Est. cost | Address | Description |
|---|---|---|---|---|---|---|
| 6768335-CN | 2020-08-06 | Completed | $175,000 | 9015 5TH AVE NE | Establish use as and construct an addition and substantial alterations to a detached garage to create a DADU for a single-family residence per plan. |
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