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Oakland backflow testing

82 companies on East Bay Municipal Utility District's tester list · 89 testers in total · list version Printed 2026-10-05

About this list

Utility
East Bay Municipal Utility District
List title
“Certified Backflow Testers List” (as printed)
Version
Printed 2026-10-05
List date
2026-10-05
Fetched
2026-11-04 (UTC)
Format
PDF
Testers
89 testers on the list. 5 testers on this list have no company named. We count them but do not list individuals. 1 more entry on the list belongs to companies named after a person; we do not republish those here, so check the utility's own list. Listed there? You can ask us to add your company.

On East Bay Municipal Utility District's approved list, version Printed 2026-10-05 · fetched 2026-11-04

Every company below is on this list; each card says “On this utility's approved list”. The list is the utility’s, not ours: we copy company names, addresses and phone numbers from it, sort them A to Z and do not rank or endorse anyone. Confirm with your utility before booking.

On the list as ofPrinted 2026-10-05

Certified Backflow Testers List. Fetched 2026-11-04 (UTC).

Open the utility’s own list
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Companies on the list (82)

Alphabetical. Tester counts are the number of testers the list names for each company.

0–9 and symbols · 2

A · 17

All Pro Backflow, Inc.

4487 Pacific St., Rocklin, CA 95677916-276-7162

On this utility's approved list

1 tester on this list

From its website (2026-11-15): also backflow repair, backflow installation; serves homes; 24/7 or emergency service; area: Based in Rocklin, we serve 15 counties across the greater Sacramento region and Northern California.

AWHS, Inc.

35325 Fircrest Street #B, Newark, CA 94560510-490-4411

On this utility's approved list

1 tester on this list

B · 9

Backflow Team, LLC

P O Box 1240, Pleasanton, CA 94566888-230-2747

On this utility's approved list

1 tester on this list

From its website (2026-11-15): also backflow repair, backflow installation; area: all your backflow prevention service needs in the Bay Area, Central Valley, and beyond.

C · 8

CBRE

Oakland, CA 94609510-561-9322

On this utility's approved list

1 tester on this list

E · 2

F · 2

G · 6

H · 1

I · 1

J · 3

K · 1

L · 2

M · 5

Matrix HG

115 Mason Cir., Concord, CA 94520925-459-9200

On this utility's approved list

2 testers on this list

O · 2

P · 7

Q · 1

R · 1

S · 3

T · 6

The Backflow Pro, Inc.

360 Grand Avenue #153, Oakland, CA 946101-800-511-2210

On this utility's approved list

1 tester on this list

From its website (2026-11-15): also backflow repair, backflow installation, cross-connection surveys; area: Services the entire San Francisco Bay Area..

Thorpe Design Inc

410 Beatrice Court, Ste A, Brentwood, CA 94513925-848-6432

On this utility's approved list

1 tester on this list

From its website (2026-11-15): also fire sprinklers, other fire protection; serves homes; area: Proudly Serving California and Nevada.

U · 1

V · 1

Y · 1

Other utility lists in California: Beaumont, Corte Madera, Escondido, Irvine, Modesto, Oakley, Riverside, Sacramento.

Guides: How much does a backflow test cost? Tester prices, plus what your utility adds, Failed backflow test: what failed, your repair deadline, and when to replace the device, What is a backflow test? What the tester measures, what passes, and what you have to do, Irrigation backflow testing: which device your sprinkler system needs, when it is tested, and how to winterize it.