City of San Diego · Public Utilities · Cross-Connection Control

San Diego-approved backflow testers

Official list as of 08/26/2026

San Diego will only credit a backflow test if the tester is on this Public Utilities approved list. The city says the list is updated twice a year; call (858) 292-6329 to verify a tester is currently approved.

Official program page Official PDF (updated 08/26/2026)

Every company below is copied from the City of San Diego Approved Tester’s List dated 08/26/2026. This page is a local snapshot, not the live roster.

The official file does not mark fire-line testers. This page does not invent a fire-line flag.

198 companies

Copied in PDF order. Phones are as printed on 08/26/2026.
CompanyPhone
Solis Plumbing760-822-6973
JR Backflow619-553-5924
Scylla Plumbing & Drains Inc.619-419-7605
APRENA Backflow Services619-678-5830
Flow Bro Testing619-647-0434
Alvmo Humble Holdings LLC760-481-9549
Service 1st714-573-2200
Pacific Property Services619-852-6893
G&G Environmental Compliance Inc.951-683-3538
Bill Howe Plumbing619-286-6348
Jackson and Blanc858-831-7900
Xyg Services Inc.619-271-2916
Booth's Pump Service760-789-9147
Backflow Brigade760-638-0143
Kellum Backflow619-249-9551
24Hr Express Services951-302-5320
All American Backflow Services760-802-9371
Dinger's Backflow Service619-925-6734
Catt Plumbing909-841-0773
US Backflow619-933-9904
Spartan Backflow Services619-361-3583
Conchas Backflow619-750-7351
Chihuahua Plumbing619-472-0500
Village Plumbings & Heatings619-944-5239
Felix Backflow619-980-6860
A&S Backflow760-749-9465
R. A. Backflow Testing619-672-4582
AO Reed & Company858-565-4131
Ascend Plumbing Inc.858-800-1141
Hanna Plumbing760-726-2002
All Drains & Backflow Testing619-972-3521
R.E. Badger & Son858-756-1402
SD Low Cost Backflow858-255-1230
Ivan Backflow Service619-678-4452
Steven King Plumbing Service619-429-5956
Clewett Backflow714-759-2431
HPS Mechanical858-217-4112
Midtown Plumbing562-928-6007
Gabe's Backflows619-586-7472
Powers Plumbing and Heating619-295-2115
9-Dam Backflow Testing909-614-4479
Apex Service & Repair760-580-3077
Hatch Irrigation619-562-6895
Alexis Janssen Backflow760-297-0081
Rick's Backflow Services619-507-5056
Pacific Backflow Company760-639-4000
Pro Backflow Testing909-782-0770
NYE Backflow Service619-933-9903
SCR Backflow Services LLC619-869-9040
San Diego Backflow Testing877-363-8378
All County Plumbing inc619-856-5361
A+ Backflow Testing619-322-3278
AP's Backflow Services619-912-8895
Pacific Plumbing714-547-6967
Steele Plumbing Inc.619-254-7285
Clairemont Kearny Backflow619-471-7999
Academy Backflow Service619-561-0991
Premium Fire Sprinklers408-544-9957
Fire Co. Sprinkler and Backflow562-286-3145
1 Affordable Backflow760-687-5749
ACCO Engineered Systems858-264-8859
Coastal Plumbing Inc760-720-2991
Baldwin Backflow Services951-477-7708
American Ace Plumbing and Drain858-733-1271
ABP Backflow888-356-7761
Hydraflow Backflow Service619-569-7963
Matson Castaneda BF951-743-6395
1st Choice Backflow877-723-1835
Irri-Care Plumbing and Backflow Testing626-419-8001
All Pro Plumbing760-681-0313
Lobos Backflow909-716-7594
Indepth Environmental909-289-2507
Aa Farnsworth's Backflow Services858-614-5826
Drum Plumbing760-598-3786
1st Choice R&R Backflow Testing and Serv909-631-4199
Pro-Craft Construction909-894-6753
Pronto Plumbing and Drains Inc.619-691-7765
Venturi Enterprises Inc.909-241-1265
Drainz Plumbing619-633-2277
J. Vitale Landscape & Maintenance, Inc.619-938-2435
Pacific Rim Mechanical858-974-6600
R2 Utility951-526-5830
Pro-Link Backflow Services619-659-8995
Cruz Backflow Services619-922-2643
Pacific Standard Plumbing858-255-1654
California Backflow & Chlorination858-518-9688
$49 Pass 2 Pay Backflow619-484-6198
Generation plumbing and mechanical951-239-8854
Acco Engineered Systems858-695-3977
Spilman Landscaping760-270-5678
Tier One Mechanical424-393-4022
Palesades Backflow760-445-5463
Cooper's Plumbing & Heating619-995-9870
VACA Backflow testing619-248-0692
Mann Plumbing619-535-1322
Ashton Backflow Service619-339-7631
SoCal Backflow Inspector949-338-9032
123 Backflow Testing619-247-6226
Coast 2 Coast Plumbing714-580-5986
Reliable Plumbing & Drain Cleaning Inc.619-271-1477
Protech Building Services858-437-7952
A Awesome Backflow Service619-443-1846
Vista Plumbing760-758-2345
Countywide Mechanical Systems619-449-9900
All Aces Backflow626-327-0057
Advanced Backflow Service858-453-8823
Shell Backflow760-650-8550
Aaa Goforth Plumbing619-789-3541
Dehart Backflow760-788-0231
Matrix Construction services951-493-0100
North Coast Backflow760-519-4050
Chambers Backflow Service619-507-7502
Water Wise Plumbing, Backflow & Drains,760-407-5710
Timothy Daniels Plumbing619-749-2744
Western Fire Protection Inc.858-513-4949
B3 Backflow Testing619-876-4786
Atlas Backflow855-231-9156
G & G Backflow Serv619-697-5030
JNM Backflow619-550-6407
Remedy Rooter619-579-7979
Palomar Backflow760-746-2501
Romero Plumbing Company858-334-3779
Sutherland Irrigation Services760-723-9421
PSI Certifield Backflow562-458-8212
All-Star Backflow Inc.909-225-9903
El Presidente Backflow Co.619-617-7824
Bravo Backflow760-930-6498
Rising Phoenix Plumbing619-333-9471
SoCal Backflow Testing619-602-5945
Watersedge Landscape, Inc619-316-5040
Dakota Backflow909-481-3938
Do Rite Plumbing619-392-2590
SDCRAA619-739-2302
Ampro Backflow619-392-5516
All Align LLC858-248-7447
Hydro Backflow Solutions714-696-4339
Vaughn Irrigation Services760-747-0353
Erickson Backflow Solutions619-339-4379
Certified Backflow Services800-527-6185
Bluefin Plumbing Inc.951-751-8587
LeakDetect Pro619-578-1062
Certified Backflow Testing619-537-6655
Sand Diego Building Services442-362-0827
Pride Plumbing619-713-5177
Core Plumbing858-538-6025
California Plumbing & Mechanical562-397-5728
Hayes Backflow Services619-651-7770
TS Backflow619-808-2757
Strictly Backflow562-253-5278
Aqua Tech Backflow Testing619-840-2146
Diamond Fire Protection951-579-4299
Cal-Prop858-999-7734
Ability Plumbing619-631-7065
Cal-Oso Backflow Services951-434-4756
Complete Backflow Service760-504-3056
C and D Backflow619-517-3594
Palomar Water/Heater Spec760-747-5080
Echo Plumbing Inc.888-769-5345
Fire Safety First714-836-4800
DH Backflow818-426-9814
Annual Backflow760-304-2775
Escos Fire and Safety925-217-0500
$45 County Backflow619-920-7825
AAA Backflow USA619-786-1756
Western Plumbing & Piping Inc619-593-8883
One Flow Backflow Inc.714-852-1213
Redondo Backflow Testing619-781-7668
Wai Backflow services619-721-3570
Zamora's Backflow Services Inc.760-562-1977
Splash Plumbing714-688-0804
Dependable Plumbing619-266-2121
All Flow Plumbing & Backflow619-507-9891
Hazzard Backflow Inc760-304-2775
The Backflow Guy Inc.877-384-3489
Backflow Testing & Repair LLC858-922-9408
America's Finest City Backflow Service619-763-5749
Underground Utilities Inc.619-461-9500
Atc Plumbing Source888-544-6292
Scripps Ranch Mira Mesa Backflow858-414-3367
P&B Backflow/Irrig760-744-8856
Tea11Backflows619-348-0290
Tier 1 Backflow760-576-9856
Elite Backflow Service619-818-4242
Moreno Backflow Services619-627-9447
Benrich Service714-241-0284
A to Z Plumbing619-229-7789
Backflow Services Inc.619-303-1561
Best Value Backflow Service619-328-9602
Baj Backflow & Plumbing619-722-1372
Ahlee Backflow Service619-444-7781
Padre Backflow619-249-1973
Hyperflow Plumbing858-833-6430
Coastal San Diego Plumbing619-212-9005
SD Backflow Testing619-603-7968
D B Backflow & Plumbing951-306-6180
Aquasure Backflow Services951-956-9581
Bavco800-458-3492
West End Services858-573-5100

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