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Verify any contractor against official state-board records.
25 results in WA · more available
| Business | State | License # | Type | Status | Expires |
|---|---|---|---|---|---|
| BACKDRAFT RENOVATIONS TENINO | WA | BACKDR*765CK | CONSTRUCTION CONTRACTOR | Expired | 2026-03-11 |
| BACKFLOW ASSEMBLY SLTNS INC KINGSTON | WA | BACKFAS760K4 | PLUMBING CONTRACTOR | Active | 2026-05-24 |
| BACKFLOW BIPSY & CNTRCTNG LLC PUYALLUP | WA | BACKFBC803DF | CONSTRUCTION CONTRACTOR | Expired | 2024-03-06 |
| A+ BACKFLOW INC KIRKLAND | WA | BACKFBI828ML | CONSTRUCTION CONTRACTOR | Active | 2026-07-13 |
| Backflow For Business GIG HARBOR | WA | BACKFFB743C5 | PLUMBING CONTRACTOR | Active | 2028-02-24 |
| BACK FORTY CONSTRUCTION LLC Sedro Woolley | WA | BACKFFC914P6 | CONSTRUCTION CONTRACTOR | Active | 2027-10-27 |
| BACK FORTY LAND MAINT LLC SALKUM | WA | BACKFFL773LA | CONSTRUCTION CONTRACTOR | Active | 2027-06-01 |
| BACK FORTY REPAIRS LLC Belfair | WA | BACKFFR802QT | CONSTRUCTION CONTRACTOR | Suspended | 2026-12-21 |
| BACKFLOW & IRRIGATION AUBURN | WA | BACKFI*823NZ | CONSTRUCTION CONTRACTOR | Re-Licensed | 2022-08-24 |
| BACKFLOW & IRRIGATION SLTN LLC AUBURN | WA | BACKFIS783C4 | CONSTRUCTION CONTRACTOR | Active | 2028-03-18 |
| BACKFLOW JOHNNY COLBERT | WA | BACKFJ*779KD | PLUMBING CONTRACTOR | Active | 2027-05-17 |
| BACKFLOW JOHNNY COLBERT | WA | BACKFJ*878D6 | CONSTRUCTION CONTRACTOR | Re-Licensed | 2023-03-26 |
| BACKFLOW MANAGEMENT INC PORTLAND | WA | BACKFMI956M1 | CONSTRUCTION CONTRACTOR | Expired | 2026-03-27 |
| BACKFLOWS NORTHWEST INC BELLEVUE | WA | BACKFNI792QW | PLUMBING CONTRACTOR | Active | 2028-02-17 |
| BACKFLOWS NORTHWEST INC BELLEVUE | WA | BACKFNI883DN | CONSTRUCTION CONTRACTOR | Active | 2028-03-16 |
| BACKFLOWS ONLY LLC TACOMA | WA | BACKFOL882QA | CONSTRUCTION CONTRACTOR | Expired | 2020-11-01 |
| BACKFLO PRO'S INC TUMWATER | WA | BACKFPI933P6 | CONSTRUCTION CONTRACTOR | Active | 2027-10-26 |
| BACKFLOW TEST & CNSLT SRV LLC SPOKANE | WA | BACKFTC815DQ | CONSTRUCTION CONTRACTOR | Expired | 2025-03-18 |
| Backflow Tri-Cities LLC PASCO | WA | BACKFTL774LZ | PLUMBING CONTRACTOR | Active | 2027-06-09 |
| Backflow Tri-Cities LLC PASCO | WA | BACKFTL798JR | CONSTRUCTION CONTRACTOR | Re-Licensed | 2023-04-19 |
| BACKFLOW TEST & REPAIR MARYSVILLE | WA | BACKFTR778JE | CONSTRUCTION CONTRACTOR | Suspended | 2027-04-05 |
| BACKFLOW TEST & REPAIR Marysville | WA | BACKFTR799O9 | PLUMBING CONTRACTOR | Out Of Business | 2023-10-01 |
| BACKFLOW TESTING & SERVICE LLC LAKE STEVENS | WA | BACKFTS785MJ | PLUMBING CONTRACTOR | Suspended | 2026-08-09 |
| BACKFLOW TEST SOLUTIONS EAST WENATCHEE | WA | BACKFTS813D1 | CONSTRUCTION CONTRACTOR | Expired | 2023-03-22 |
| BACKFLOW TESTING & SERVICE INC LAKE STEVENS | WA | BACKFTS893MR | CONSTRUCTION CONTRACTOR | Expired | 2021-08-30 |