Home / Backflow testers / California

Escondido backflow testing

92 companies on City of Escondido Utilities, Water Division's tester list · company-level list (no tester count) · list version directory as fetched (97 listings)

About this list

Utility
City of Escondido Utilities, Water Division
List title
“Certified Testers List” (as printed)
Version
directory as fetched (97 listings)
Fetched
2026-11-04 (UTC)
Format
HTML directory
Testers
Company-level list (no tester count). 1 entry on this list is a personal name with no company. We do not list individuals. 4 more entries on the list belong 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.
Gaps
Our copy of City of Escondido Utilities, Water Division's list (version directory as fetched (97 listings)), fetched 2026-11-04, has no town or ZIP code for 86 of the 92 companies. Those cards leave the field out.
The utility says
“These testers are not employed by the City of Escondido nor does the City endorse any of the following listed companies.”

On City of Escondido Utilities, Water Division's approved list, version directory as fetched (97 listings) · 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 ofdirectory as fetched (97 listings)

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

Open the utility’s own list
The utility’s backflow program page
How we handle listings (correct or remove a listing)

Confirm with your utility before booking.

Companies on the list (92)

Alphabetical. Company-level list (no tester count): the utility lists companies, not individual testers.

0–9 and symbols · 6

A · 19

B · 10

C · 7

D · 5

Dakota Backflow

Rancho Cucamonga800-790-7757

On this utility's approved list

From its website (2026-11-15): also backflow repair, backflow installation; serves homes; 24/7 or emergency service.

E · 3

F · 3

G · 1

H · 5

I · 1

J · 1

K · 1

M · 2

N · 1

P · 12

Pacific Backflow

Oceanside760-639-4000

On this utility's approved list

From its website (2026-11-15): also backflow repair, backflow installation; 24/7 or emergency service; area: Serving All of San Diego County.

R · 4

S · 4

T · 3

V · 2

W · 2

Other utility lists in California: Beaumont, Corte Madera, Irvine, Modesto, Oakland, 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.