Certified Backflow Testers

Public listing of approved backflow testers.

Search by name, company, or certification information.
This directory is automatically displayed in a randomized order to support fair, unbiased visibility for all listed testers.
Company First Last Phone Email Cert Agency Cert # Expiration Status
LEBLANC BACKFLOW SERVICE PETER LEBLANC 951-313-7989 leblancbackflow@gmail.com AWWA 18230 05/31/2027 Active
ARROWHEAD GROUP, INC. DBA BASIC BACKFLOW JAMES LANDRUS 909-881-0898 AWWA 18737 07/31/2028 Active
ARROWHEAD GROUP, INC. DBA BASIC BACKFLOW JUSTIN HUTCHINSON 909-881-0898 darlene@basicbackflow.com AWWA 18820 09/30/2025 Active
LEVI BASHAM AWWA 18727 07/31/2025 Active
24HR EXPRESS SERVICES ROBERT COPELAND 951-302-5320 AWWA 18521 01/31/2028 Active
LEBLANC BACKFLOW JASON LEBLANC 951-236-2668 jason.leblanc53@gmail.com AWWA 18213 05/31/2027 Active
West Coast Water Pros, Inc. JOEL ARELLANO 562--900-4043 westcoastwaterpros.com AWWA 19849 09/30/2027 Active
AE LANDSCAPE BRIAN BLUHM AWWA 19256 09/30/2026 Active
RYAN PARENT AWWA 18132 02/28/2027 Active
AUSTIN VERDI AWWA 17535 06/30/2028 Active
HAMBY'S BACKFLOW SERVICE DOUGLAS HAMBY 951-453-0224 hambysbackflowservice@gmail.com AWWA 12783 05/31/2027 Active
AQUINO BACKFLOW GABRIEL AQUINO 909-519-9550 aquinobackflow@yahoo.com AWWA 17468 04/30/2028 Active
WILLIAM VOGEL 951-734-3617 vogelcnl@sbcglobal.net AWWA 19041 03/31/2026 Active
DAKOTA BACKFLOW COMPANY TREVOR KARLSON 800-790-7757 dakotabackflow@gmail.com AWWA 18479 12/31/2027 Active
DAVID OCHOA AWWA 18240 05/31/2027 Active
RAMSEY BACKFLOW & PLUMBING JAMES LAFON 951- 689-4116 AWWA 18576 03/31/2028 Active
AQUA BACKFLOW & CHLORINATION INC. KELLY KIESWETTER 909-598-7251 kelly@aquabnc.com AWWA 11718 06/30/2028 Active
ERICK FITZ AWWA 18324 07/31/2027 Active
MARIO ORTIZ AWWA 19251 10/31/2026 Active
GUSTAVO ALVARADO 714-836-4800 AWWA 18725 07/31/2028 Active
CHEWS BACKFLOW PAUL CHEW 951-961-4476 chewsbackflow@aol.com AWWA 18364 09/30/2027 Active
Steven Gonzalez AWWA 19930 11/30/2027 Active
COAST 2 COAST PLUMBING & CONSTRUCTION SE CESAR CHAVEZ-MONTENEGRO 714-580-5986 cesar@coast2coastplumbing.com AWWA 17957 09/30/2026 Active
RAMSEY BACKFLOW & PLUMBING ADAM RAMSEY 951-689-4116 AWWA 18678 06/30/2028 Active
ALLSTAR BACKFLOW JOHARI GOMEZ BUSTOS 951-733-1796 jgomezbustos@yahoo.com AWWA 18015 11/30/2026 Active
ROBERT TOOMEY AWWA 18685 03/31/2029 Active
MARTIN FRANCO MARTIN FRANCO 909-628-3005 mfranco_777@icloud.com AWWA 18583 03/31/2028 Active
PSI CERTIFIED BACKFLOW RUBEN GUERRA 323-899-4511 backflow2020@gmail.com AWWA 18960 01/31/2026 Active
ANDY SORIANO AWWA 18684 06/30/2028 Active
Sierra Analytical Labs Tyler Wingfield 562-706-0096 AWWA 20379 03/31/2028 Active
ARNOLD'S BACKFLOW KELLEY ARNOLD 877-627-6653 arnoldsbackflow@yahoo.com AWWA 18680 06/30/2028 Active
Paul Chew 9519614476 chewbackflow@aol.com AWWA 54767 09/30/2027 Active
24 HOUR EXPRESS SERVICES INC. CHRISTOPH BONHOMME 951-302-5320 bob@24hrexpressservices.com AWWA 18605 04/30/2028 Active
AAA ACTION BACKFLOW CODY JORDAN 909-615-1800 aaahdbackflow@yahoo.com AWWA 18448 11/30/2027 Active
ALL ACES BACKFLOW JARED HEID 877-812-2660 allacesbackflow@gmail.com AWWA 14486 07/31/2027 Active
HAZZARD BACKFLOW, INC. ROLANDO HAZZARD 951-445-0809 hazzardbackflow@yahoo.com AWWA 12198 05/31/2026 Active
CAL-OSO BACKFLOW SERVICES JOHNNY OSORNIA 951-434-4756 calosobackflow@gmail.com AWWA 18823 06/30/2028 Active
PSI CERTIFIED BACKFLOW STEVE CORONEL 519-323-9834 stevecornel@yahoo.com AWWA 18342 08/31/2027 Active
BR BACKFLOWS MICHAEL A BAUMANN RETT brbackflows@gmail.com AWWA 19586 04/30/2027 Active
AUSTEN TAYLOR AWWA 18216 05/31/2027 Active
TruCommercial Plumbing and Drains ANTONIO MINERO 951-560-0210 info@trucommercialdrains.com AWWA 20295 05/31/2028 Active
A'S PLUMBING & BACKFLOW ANDRES ESCUTIA 714-357-9183 aescutia89@gmail.com AWWA 19035 03/31/2026 Active
AMERICAN ELITE BACKFLOW RUBEN CONTRERAS 909-964-9526 americanelitebackflow@gmail.com AWWA 19108 05/31/2026 Active
SM Backflow Service Sergio Macias 909-828-1512 smbackflow@yahoo.com AWWA 18371 09/30/2027 Active
T. R. PLUMBING TONY FERRONATO 909-899-4845 trplumbinginc@icloud.com AWWA 08852 06/30/2028 Active
DAVIS PLUMBING & MECHANICAL BRIAN DAVIS 760-244-6601 active0001@aol.com AWWA 11842 08/31/2028 Active
Boden Backflow Service Travis Boden 909-434-5029 travis.boden.tb@gmail.com AWWA 18848 10/31/2025 Active
DE3 DANIEL ESCOBAR 714-202-7850 AWWA 19610 05/31/2027 Active
WILLIAM BEDJANYAN AWWA 18076 01/31/2027 Active
DAVID VITITOW AWWA 17882 07/31/2026 Active
2ND CHANCE BACKFLOW SOLUTIONS JUSTIN GARCIA 909-477-0018 2ndchancebackflow@gmail.com AWWA 18522 01/31/2028 Active
WILLIAM MULLER AWWA 18156 03/31/2027 Active
Arrowhead Group Inc. dba Basic Backflow CARLOS DA MARTINEZ CRESPO 909-881-0898 darlene@basicbackflow.com AWWA 20247 03/31/2028 Active
ALVARO OCHOA AWWA 18862 10/31/2025 Active
Pacific Coast Backflow Services Erik Sweet 562-291-6402 esweet@pacificcoastbackflow.com AWWA 18785 08/31/2028 Active
ATT PLUMBING KIAN MEHRANIAN 951-533-1956 AWWA 18851 10/31/2025 Active
BETO'S BACKFLOW SOLUTIONS ROBERTO OCHOA 909-518-7279 betosbackflowsolutions@gmail.com AWWA 19621 05/31/2027 Active
REDLANDS PLUMBING WESLEY LIVINGSTON 909-793-8461 wlivingston@plumbingandair.com AWWA 18757 08/31/2025 Active
ANDREW LAPP AWWA 16379 12/31/2025 Active
JMJ EQUIPMENT, INC. CHARLIE LUALLEN 714-269-7995 jmjequipment@aol.com AWWA 18451 11/30/2027 Active
GABRIEL'S BACKFLOW SERVICES MATTHEW GABRIEL 951-663-9513 gabrielsbackflow@gmail.com AWWA 19653 06/30/2027 Active
Amelia Backflow Christopher Tupuola 951-716-2300 ameliabackflow@gmail.com AWWA 20001 01/31/2028 Active
ONE FLOW BACKFLOW, INC JOHN STOECKEL 714-852-1213 AWWA 17661 10/31/2025 Active
951 BACKFLOW TESTING JAMES BARKLEY 951-487-8760 james@951backflow.com AWWA 13745 02/28/2026 Active
The Backflow Guy, Inc. Peter Weiss 877-384-3489 Peter@thebackflowguy.com AWWA 10466 10/31/2028 Active
1-WAY BACKFLOW SERVICE JAMES MONTANO 909-536-2756 1waybackflow@gmail.com AWWA 19316 09/30/2026 Active
RAMSEY BACKFLOW & PLUMBING RANDY ESPINO 951-689-4119 service@ramseybackflow.com AWWA 19703 06/30/2027 Active
RAM PLUMBING AND HEATING JOHN KULLBOM 951-898-4700 melissa@ramplumbing.net AWWA 18343 08/31/2027 Active
ERNESTO GUTIERREZ ERNESTO GUTIERREZ 909-947-5767 qualitybackflowservice@yahoo.com AWWA 18790 09/30/2025 Active
DAKOTA BACKFLOW COMPANY JUSTIN LOVELAND 800-790-7757 AWWA 17136 08/31/2027 Active
1 FOR ALL BACKFLOW & HAZARD ASSESSMENTS BRIAN RIKIMARU 909-285-2636 1forallbackflow@gmail.com AWWA 19318 09/30/2026 Active
PRO BACKFLOW TESTING SERVICES JAIME PEREZ JR 909-782-0770 jaime@probackflowtesting.com AWWA 16410 01/31/2026 Active
BAVCO FRANK CROCKER 800-458-3492 AWWA 11680 04/30/2028 Active
MICHAEL J RETT calicowaterworks@gmail.com AWWA 19667 06/30/2027 Active
BAVCO STEPHEN WALKER 800-458-3492 service@bavco.com AWWA 17423 03/31/2028 Active
MARK BLAIR 760-964-0388 AWWA 19192 07/31/2026 Active
BALDWIN BACKFLOW SERVICES JASON BALDWIN 951-477-7708 baldwinbackflowservices@gmail.com AWWA 18126 02/28/2027 Active
JCSD PATRICK ALLEN 951-685-7432 pallen@jcsd.us AWWA 20503 07/31/2028 Active
BAVCO ROBERT PURZYCKI 800-458-3492 AWWA 00093 02/28/2028 Active
John's Backflow Service John Silva 909-331-7662 johngsilva79@gmail.com AWWA 17461 05/31/2028 Active
AQUA BACKFLOW & CLORINATION ERIC GERNERTT 909-598-7251 egernertt@aquabnc.com AWWA 15972 02/28/2028 Active
BACKFLOW EXPRESS JOSE VILLEGAS 951-242-3399 backflowexpress2014@gmail.com AWWA 15086 03/31/2026 Active
IRR-CARE PLUMBING & BACKFLOW TESTING, IN PHILLIP SALVADOR eladiosalvador@irricare.com AWWA 18555 02/28/2028 Active
PACIFIC PLUMBING OF SOUTHERN CALIFORNIA VICTOR CASTANEDA 714-547-6967 conniev@ppcosa.com AWWA 19701 06/30/2027 Active
9-DAM BACKFLOW TESTING & REPAIR MICHAEL NEIIENDAM 909-614-4479 backflow_man@yahoo.com AWWA 18914 11/30/2025 Active
RILEY VITITOW AWWA 18847 10/31/2025 Active
PRO BACKFLOW TESTING SERVICES VICTOR VILLALOBOS 909-782-0770 AWWA 18556 02/28/2028 Active
JACOB ARAITZ 714-504-7186 AWWA 18322 07/31/2027 Active
SEAN HARRISON AWWA 14735 02/29/2028 Active
NANETTE SEMAN AWWA 18872 11/30/2025 Active
MICHAEL LACUNZA AWWA 18450 11/30/2027 Active
E.R. BLOCK PLUMBING DAVID ROSS 951-687-4011 erblockplumbinginc@gmail.com AWWA 18949 12/31/2025 Active
Integrity Backflow Ulysses Bacerra 951-483-4662 1integritybackflowt@gmail.com AWWA 20283 04/30/2028 Active
BAVCO GREG PURZYCKI 800-458-3492 AWWA 06871 03/31/2027 Active
DB BACKFLOW SERVICE DEBBIE RAPPORT 951-306-6180 dbbackflow@linkline.com AWWA 06233 04/30/2028 Active
SIERRA ANALYTICAL LABS CHRIS FORSYTH 714-504-9110 chrisf@sierralabs.net AWWA 17479 08/31/2025 Active
GILMORE'S BACKFLOW TESTING & SERVICES RYAN GILMORE 714-448-1066 gilmoresbackflow@gmail.com AWWA 18909 11/30/2025 Active
B3 BACKFLOW, INC. BARRY BURRIS 760-403-0225 bndburris27@msn.com AWWA 18466 11/30/2027 Active
Manrik Backflow Services Benny Manrique 951-306-6408 bennymanrik@gmail.com AWWA 18912 11/30/2025 Active
southern California Backflow Garrett Panos 909-723-2478 scbackflowtests@gmail.com AWWA 20397 05/31/2028 Active
AQUAMIGO BACKFLOW SOLUTIONS VICTOR TORNERO JR 951-442-5559 aquamigo1@yahoo.com AWWA 17731 01/31/2026 Active
QUALITY BACKFLOW SERVICE EDGAR DAVALOS 909-947-5767 qualitybackflowservice@yahoo.com AWWA 12208 05/31/2027 Active
VENTURI ENTERPRISES JESSE KRAYBILL 888-445-3970 venturienterprises@hotmail.com AWWA 16147 07/31/2028 Active
BAVCO DARRYL WALLACE 800-458-3492 AWWA 18732 07/31/2025 Active
AQUA BACKFLOW & CHLORINATION RYAN SPAULDING 909-598-7251 ryan@aqubnc.com AWWA 18610 04/30/2028 Active
HAZZARD BACKFLOW ROCKY HAZZARD AWWA 18729 07/31/2028 Active
FIGUEROA BACKLOW DAVID FIGUEROA 951-719-0326 d.fig424@yahoo.com AWWA 18238 05/31/2027 Active
CERTIFIED BACKFLOW SERVICE DAVID ASZMAN 800-527-6185 certifiedbackflowservice@yahoo.com AWWA 12209 07/31/2026 Active
NIR PLUMBING INC. SERGIO CORTEZ 909-685-6463 nir.cortezbackflow@gmail.com AWWA 18683 06/30/2028 Active
WATER BOYS PLUMBING & BACKFLOW SERVICES JAKE ORTEGA 909-254-1389 wbpabs@gmail.com AWWA 20114 03/31/2028 Active
DANIEL CARTER AWWA 19193 07/31/2026 Active
ARROWHEAD GROUP, INC. DBA BASIC BACKFLOW JAMES LANDRUS 909-881-0898 AWWA 18737 07/31/2028 Active
BACKFLOW BROTHERS CODY BLAIR 760-927-5454 backflowbrothers@gmail.com AWWA 18369 09/30/2027 Active
COUNTY BACKFLOW ANDREW HOCKENBERRY 619-920-7825 info@countybackflow.com AWWA 19715 07/31/2027 Active
TERRY'S TESTING INC. ROBERT JACKSON 800-464-9287 AWWA 19148 06/30/2026 Active
JOHN BRIGANTI JR AWWA 12201 05/31/2026 Active
FLOW RITE BACKFLOW PREVENTION SHANE WASHAM 909-214-9137 shane@flowritetesting.com AWWA 18918 11/30/2025 Active
SM Backflow Service SERGIO MACIAS 909-828-1512 smbackflow@yahoo.com AWWA 18371 09/30/2027 Active
BAUMANN WATERWORKS ANTHONY BAUMANN 909-319-1015 baumannwaterworks@gmail.com AWWA 18682 06/30/2028 Active
R & R BACKFLOW TESTING AND SERVICE RICHARD CERVANTEZ SR 909-631-4199 randrbackflow@gmail.com AWWA 14240 12/31/2026 Active
ROBERT JACKSON 800-464-9287 AWWA 19148 06/30/2026 Active
ARROWHEAD GROUP, INC. DBA BASIC BACKFLOW JEREMIAH BLOOM 909-881-0898 AWWA 18755 08/31/2025 Active
APPROVED BACKFLOW JERRY MONTANO 909-576-3410 approvedbackflow@yahoo.com AWWA 18490 12/31/2027 Active
CLIFFORD WHITE AWWA 01721 08/31/2025 Active
HUGO AVALOS 909-536-3222 hugoavalos74@yahoo.com AWWA 17973 10/31/2026 Active
MILLIMAN CERTIFIED BACKFLOW TESTING TERRY MILLIMAN 951-733-0550 tmilliman61@gmail.com AWWA 18392 09/30/2027 Active
Jesus QUINONEZ AWWA 07904 04/30/2028 Active
RAMON CABRERA RAMON CABRERA 951-707-8429 cbackflow@gmail.com AWWA 16557 06/30/2026 Active
BRAD GRIFFITH AWWA 13056 06/30/2027 Active
1ST CHOICE BACKFLOW TESTING HENRY KOHLMANN 760-468-4026 henry@1stchoicebackflow.com AWWA 18691 06/30/2028 Active
HAZZARD BACKFLOW, INC. JASMINE HAZZARD 951-445-0509 AWWA 18445 11/30/2027 Active
PREVENT BACKFLOW AND PLUMBING, INC. JAMES MOTIS 714-635-9902 james@preventbackflowplumbing.com AWWA 18328 07/31/2027 Active
Near Backflow Services EDUARDO ROBLES 951-295-8624 nearbackflow@gmail.com AWWA 17796 02/28/2026 Active
All-Star Backflow Inc. David Suarez Jr. 909-225-9903 service@allstarbackflow.com AWWA 18763 08/31/2025 Active
VALLEY BACKFLOW, INC. JOHN NIELSEN 818-308-7212 patty@valleybackflow.net AWWA 06770 06/30/2026 Active
AQUA BACKFLOW & CHLORINATION RUDY HARRIS 909-598-7251 rudy@aquabnc.com AWWA 15493 02/28/2027 Active
AMAZING FORCE PLUMBING & BACKFLOW KENNETH CRAWFORD JR 800-241-1533 amazingforceplumbing@gmail.com AWWA 18786 09/30/2025 Active
ROBERT REINOEHL 951-538-5017 bob@24hrexpressservices.com AWWA 18730 07/31/2028 Active
ERIK ALVAREZ 909-251-2655 rudkinbackflow@yahoo.com AWWA 18580 03/31/2028 Active
Backflow Brothers Casey Sellers 909-342-8867 backflowbrothers@gmail.com AWWA 92224 09/30/2026 Active
VIS, INC. GARY VERHOLTZ 909-772-6650 visbackflow@msn.com AWWA 18133 02/28/2027 Active
CORBIN PIERCE AWWA 19361 11/30/2026 Active
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