Backflow Specialty contractors in Washington
84 registrations carry the Backflow Specialty specialty — the 53rd most common of the 68 trades with a page here. 64 are active today.
84registrations
64active
6suspended now
0active without insurance
57cities
Of the 84 registrations in the Backflow Specialty specialty, 64 are active. Among those active ones, 2 have no current surety bond in L&I's file and 0 have no current liability policy — the two things RCW 18.27 requires and that L&I tells you to check before signing.
6 are suspended right now, and 10 have been suspended at some point without being suspended today. The file records the date of a suspension, never its reason. What the statuses mean.
Where Backflow Specialty contractors are
| City | Registrations | Share |
|---|---|---|
| Puyallup | 5 | 6.0% |
| Everett | 4 | 4.8% |
| Tacoma | 4 | 4.8% |
| Lynnwood | 3 | 3.6% |
| Seattle | 3 | 3.6% |
| Bremerton | 3 | 3.6% |
| Port Angeles | 3 | 3.6% |
| Kirkland | 2 | 2.4% |
| Marysville | 2 | 2.4% |
| Kent | 2 | 2.4% |
| Gig Harbor | 2 | 2.4% |
| Lake Stevens | 2 | 2.4% |
| Aberdeen | 2 | 2.4% |
| Tukwila | 2 | 2.4% |
| West Richland | 2 | 2.4% |
| Tulalip | 1 | 1.2% |
| Camano Island | 1 | 1.2% |
| Snohomish | 1 | 1.2% |
| University Pl | 1 | 1.2% |
| Bellingham | 1 | 1.2% |
| Olympia | 1 | 1.2% |
| East Wenatchee | 1 | 1.2% |
Registered Backflow Specialty contractors
| Business | Licence | City | Status | Bond | Insurance |
|---|---|---|---|---|---|
| 360 Backflow Services | 360BABS772O8 | Tulalip | Expired | ⚠️ none | ⚠️ none |
| 5 STAR BACKFLOW SERVICES INC | 5STARSB785RZ | Kirkland | Active | $6,000 | $1,000,000 |
| A R BROWN BACKFLOW TESTING | ARBROBB760OF | Lynnwood | Active | $6,000 | $1,000,000 |
| A-BAT | BAT****785KB | Everett | Active | $6,000 | $1,000,000 |
| AAA BACKFLOW ASS TS & SERV LLC | AAABABA744DU | Everett | Active | $6,000 | $1,000,000 |
| AAA BACKFLOW ASY TSTNG/SVC LLC | AAABABA781PQ | Camano Island | Active | $6,000 | $1,000,000 |
| AAA FIRE PROTECTION INC | AAAFIFP777PZ | Seattle | Active | $6,000 | $1,000,000 |
| AACRA BACKFLOW TESTING/REPAIR | AACRABT795PD | Snohomish | Active | $6,000 | $1,000,000 |
| ACE BACKFLOW ONLY | ACEBABO770M8 | University Pl | Active | $6,000 | $1,000,000 |
| ADAGIO BACKFLOW TESTING | ADAGIBT759RA | Bellingham | Active | ⚠️ none | $1,000,000 |
| ADVANCE TESTING & SERVICE INC | ADVANTS782PL | Marysville | Active | $6,000 | $1,000,000 |
| ADVANCED BACKFLW&CROSSCNTN LLC | ADVANBL760CG | Olympia | Expired | ⚠️ none | ⚠️ none |
| AFFINITY HOME SOLUTION | AFFINHS779J1 | East Wenatchee | Active | $6,000 | $1,000,000 |
| AFFORDABLE WASHINGTN BKFLW LLC | AFFORWB789JR | Cle Elum | Active | $6,000 | $1,000,000 |
| AJ'S BACKFLOW ASSEMBLY TESTING | AJSBABA777R2 | Bremerton | Expired | ⚠️ none | ⚠️ none |
| ALWAYS TESTING INC | ALWAYTI782L7 | Mountlake Terrace | Active | $6,000 | $1,000,000 |
| APEX BACKFLOW SERVICES | APEXBBS776P7 | Puyallup | Active | $6,000 | $1,000,000 |
| ARCHER CONSTRUCTION INC | ARCHECI768PS | Kent | Active | $6,000 | $1,000,000 |
| ATO BACKFLOW LLC | ATOBABL764K3 | Seabeck | Expired | ⚠️ none | ⚠️ none |
| AWA BACKFLOW | AWABAB*780NA | Malott | Active | $6,000 | $1,000,000 |
| AXIS BACKFLOW TESTING | AXISBBT782DA | Lake Forest Park | Active | $6,000 | $1,000,000 |
| BACKCOUNTRY BACKFLOW LLC | BACKCBL775RQ | Lacey | ⚠️ Suspended | ⚠️ none | ⚠️ none |
| BACKFLOW ASSEMBLY SLTNS INC | BACKFAS760K4 | Kingston | Active | $6,000 | $1,000,000 |
| BACKFLOW JOHNNY | BACKFJ*779KD | Colbert | Active | $6,000 | $1,000,000 |
| BACKFLOW TEST & REPAIR | BACKFTR799O9 | Marysville | Out Of Business | ⚠️ none | ⚠️ none |
| BACKFLOW TESTING & SERVICE LLC | BACKFTS785MJ | Lake Stevens | Expired | ⚠️ none | ⚠️ none |
| BACKFLOWS NORTHWEST INC | BACKFNI792QW | Bellevue | Active | $6,000 | $1,000,000 |
| BALLANCE BACKFLOW INSPECTION | BALLABI754M1 | Colville | Active | $6,000 | $1,000,000 |
| BAT PRO BACKFLOW SERVICES LLC | BATPRPB786LP | Blaine | Active | $6,000 | $1,000,000 |
| BATMASTER | BATMA**783L4 | Lake Stevens | Active | $6,000 | $1,000,000 |
| BLAKE'S BACKFLOW SERVICE LLC | BLAKEBS772L2 | Lynnwood | Expired | ⚠️ none | ⚠️ none |
| BREMERTON BACKFLOW SERVICES | BREMEBS792P8 | Bremerton | Active | $6,000 | $1,000,000 |
| BRENNEMAN'S BACKFLOW TSTNG LLC | BRENNBT745DT | Aberdeen | Active | $6,000 | $1,000,000 |
| Backflow For Business | BACKFFB743C5 | Gig Harbor | Active | $6,000 | $1,000,000 |
| Backflow Tri-Cities LLC | BACKFTL774LZ | Pasco | Active | $6,000 | $1,000,000 |
| CERTIFIED BACKFLOW TESTING INC | CERTIBT781PC | Sammamish | Expired | ⚠️ none | ⚠️ none |
| CHELAN BACKFLOW LLC | CHELABL744JZ | Chelan | Active | $6,000 | $1,000,000 |
| CK BACKFLOW LLC | CKBACBL748BG | Oak Harbor | Active | $6,000 | $1,000,000 |
| COFFEY REFRIGERATION | COFFER*789DA | Kennewick | Active | $6,000 | $2,000,000 |
| COLUMBIA FIRE LLC | COLUMFL755RR | Seattle | Active | $6,000 | $1,000,000 |
| CONTROL SYSTEMS INC CSI | CONTRSI755BU | Ontario | ⚠️ Suspended | ⚠️ none | ⚠️ none |
| COSCO FIRE PROTECTION INC | COSCOFP784P7 | Tukwila | Active | $6,000 | $2,000,000 |
| CROSS CONNECTION SPEC LLC | CROSSCS783CW | Puyallup | Expired | ⚠️ none | ⚠️ none |
| Cross Connection Services | CROSSCS773RG | Puyallup | Active | $6,000 | $1,000,000 |
| DC BACKFLOW SERVICE | DCBACBS777OQ | Carlsborg | Out Of Business | ⚠️ none | ⚠️ none |
| DOUBLE CHECK WATERWORKS | DOUBLCW746KE | Maple Falls | Active | $6,000 | $1,000,000 |
| Dixon Backflow Testing LLC | DIXONBT751RQ | Seattle | Active | $6,000 | $1,000,000 |
| EMERALD FIRE LLC | EMERAFL749DT | Gig Harbor | Active | $6,000 | $1,000,000 |
| EMPIRE FIRE PROTECTION | EMPIRFP762NR | Bremerton | Active | $6,000 | $1,000,000 |
| EVERGREEN BACKFLOW LLC | EVERGBL742MN | South Prairie | Active | $6,000 | $1,000,000 |
| FIRE SUPPRESSION SYSTEMS LLC | FIRESSS754LF | Everett | Active | $6,000 | $1,000,000 |
| FIX-IT-PHIL BACKFLOW SVCS LLC | FIXITBS753N6 | Tacoma | Active | $6,000 | $1,000,000 |
| FLOW SIX INC | FLOWSSI785BU | Shoreline | Active | $6,000 | $1,000,000 |
| FLUME ROAD WATER SERVICES LLC | FLUMERW787C4 | Bingen | Active | $6,000 | $1,000,000 |
| FROULA ALARM SYSTEMS INC | FROULAS791OS | Tukwila | Active | $6,000 | $1,000,000 |
| GREEN EFFECTS INC | GREENEI755CL | Pacific | ⚠️ Suspended | ⚠️ none | ⚠️ none |
| INLAND BACKFLOW LLC | INLANBL796O8 | Spokane | Expired | ⚠️ none | ⚠️ none |
| JACK'S BACKFLOW TESTING LLC | JACKSBT742JB | Granite Falls | Active | $6,000 | $1,000,000 |
| JM WATERWORKS | JMWATW*772N4 | Cashmere | Active | $6,000 | $1,000,000 |
| MCLM LLC | MCLMLL*788JH | Tumwater | Active | $6,000 | $1,000,000 |
| MID-COLUMBIA BACKFLOW LLC | MIDCOBL763P2 | West Richland | Active | $6,000 | $1,000,000 |
| MIKE'S BACKFLOW SERVICE | MIKESBS773JD | Spanaway | Active | $6,000 | $1,000,000 |
| MJTK BACKFLOW | MJTKBB*763JA | Mercer Island | Active | ⚠️ none | $1,000,000 |
| NORTHWEST FIRE SYSTEMS LLC | NORTHFS790NU | Kent | Active | $6,000 | $1,000,000 |
| OLYMPIC LANDSCAPE LLC | OLYMPLL780D9 | Puyallup | Expired | ⚠️ none | ⚠️ none |
| OPTIMAL BACKFLOW LLC | OPTIMBL743JC | Lynnwood | Active | $6,000 | $1,000,000 |
| PACIFIC BACKFLOW SERVICES LLC | PACIFBS797ON | Richland | Active | $6,000 | $1,000,000 |
| PATRIOT FIRE PROTECTION INC | PATRIFP788MJ | Tacoma | Active | $6,000 | $1,000,000 |
| PICHE BACKFLOW TESTING | PICHEBT772KE | West Richland | Active | $6,000 | $1,000,000 |
| PYE-BARKER FIRE & SAFETY LLC | PYEBAFS741BG | Kirkland | Active | $6,000 | $2,000,000 |
| RED HAWK FIRE PROTECTION LLC | REDHAHF772DP | Puyallup | Active | $6,000 | $1,000,000 |
| REDWOOD BACKFLOW | REDWOB*794PL | Redmond | Active | $6,000 | $1,000,000 |
| SMITH FIRE SYSTEMS INC | SMITHFS748DP | Tacoma | Active | $6,000 | $1,000,000 |
| SPECIALTY MECHANICAL SERVICES | SPECIMS777DG | Everett | ⚠️ Suspended | ⚠️ none | ⚠️ none |
| STEWIE'S FIRE PROTECTION LLC | STEWIFP753JH | Des Moines | Active | $6,000 | $1,000,000 |
| SUMMIT BACKFLOW SERVICES INC | SUMMIBS776C2 | Tacoma | ⚠️ Suspended | ⚠️ none | ⚠️ none |
| VALVE DOCTOR | VALVED*764D6 | Wenatchee | Expired | ⚠️ none | ⚠️ none |
| WEST COAST BACKFLOW SERV LLC | WESTCCB762KT | Port Angeles | Active | $6,000 | $1,000,000 |
| WESTERN STATES FIRE PRTCTN CO | WESTESF794O9 | Bothell | Active | $6,000 | $4,000,000 |
| WRIGHT'S BACKFLOW SERVICES LLC | WRIGHBS758MG | Port Angeles | Active | $6,000 | $1,000,000 |
| WRIGHT'S LABOR LLC | WRIGHLL763MA | Port Angeles | ⚠️ Suspended | ⚠️ none | ⚠️ none |
| Warnken's Water Works LLC | WARNKWW782KB | Aberdeen | Out Of Business | ⚠️ none | ⚠️ none |
| White Knight Fire Protectn INC | WHITEKF798MG | Issaquah | Active | $6,000 | $1,000,000 |
| ZACH'S BACKFLOW SERVICE LLC | ZACHSBS762JR | Sequim | Active | $6,000 | $300,000 |
Other trades
- Maintenance — 134
- Sign — 132
- Boiler/Steam Fit/Proc Piping — 92
- Demolition and Salvage — 89
- Lathing and Plastering — 88
- All Areas — 87
- Well Drilling — 82
- Commercial/Industrial/Refrig — 78
- Appliance Repair — 74
- Residential Maintenance — 68
- Tanks and Tank Removal — 64
- Structural Pest Control — 63
Getting work done?
Registration is the legal minimum, not a recommendation. Tell us the job and where, and we pass the enquiry to registered, bonded and insured contractors. We vouch for no one — see the privacy page for how we are paid.