Haiyuan Construction LLC
ADU builder in Bellevue, WA · Licensed
1completed ADU permits
2total ADU permits
2024–2026years active on record
—median est. project cost
Washington state license
- License
- HAIYUCL806O8
- Status
- Licensed
- Type
- CONSTRUCTION CONTRACTOR
- Expires
- 2028-09-30
- Registered in
- Renton, WA
As reported by WA L&I on 2026-10-13. 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 |
|---|---|---|---|---|---|---|
| 25 127479 BU | Bellevue | 2026-03-23 | Completed | — | 15931 SE 1st St | Single-Family Residence Remodel — Interior remodel of the existing single-family residence to create an attached ADU within the existing building. Scope includes layout modifications and installation of a new kitchenette and bathroom. |
| 24 120048 BU | Bellevue | 2024-12-11 | Issued | — | 3711 130th Ave NE | AADU conversion — Convert existing garage to AADU, 24104916bu. Does not include Mechanical, Electrical, or Plumbing |
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