Concrete, Masonry & Driveways contractors in HAPPY VALLEY, WA
1 listingsSource: Washington L&I license records. Last verified 2026-08-31.
There are 1 concrete, masonry & driveways contractors in HAPPY VALLEY, Washington with a current state license as of 2026-08-31. The earliest license expiry among them is 2028-01-13; every listing shows its own number and expiry date. All are drawn from the Washington L&I register; expired and inactive licenses are excluded.
| Business | License | Type | Expires | City | Zip | |
|---|---|---|---|---|---|---|
| DUFF MAIDEN MASON CONTR INC | DUFFMMC984RU | CONSTRUCTION CONTRACTOR | 2028-01-13 | HAPPY VALLEY | 97086 | Set up workspace |
Quick answers
- How many concrete, masonry & driveways contractors are in HAPPY VALLEY?
- 1 with a current Washington license, as of 2026-08-31.
- How do I check a license is current?
- Every listing shows its state license number and expiry. Verify any of them directly against the Washington L&I licensee database.