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Hillsborough County Water Resources backflow testing

251 companies on Hillsborough County Water Resources's tester list · company-level list (no tester count) · list version JSON feed, newest record modified 2025-04-02

Old list: check before you rely on it

The list is dated 2025-04-02, 581 days before we fetched it on 2026-11-04. Testers may have joined or left since then. Ask Hillsborough County Water Resources for its current list before you book.

About this list

Utility
Hillsborough County Water Resources
List title
“Certified Backflow Testers” (as printed)
Version
JSON feed, newest record modified 2025-04-02
List date
2025-04-02
Fetched
2026-11-04 (UTC)
Format
JSON feed
Testers
Company-level list (no tester count). 1 entry on this list is a personal name with no company. We do not list individuals. 14 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 Hillsborough County Water Resources's list (version JSON feed, newest record modified 2025-04-02), fetched 2026-11-04, has no town or ZIP code for any of the 251 companies. Those cards leave the field out.
The utility says
“This is not an endorsement of any individual or company. Customers are encouraged to seek the best service to meet their particular need. The list is provided simply for the convenience of the water service customers. Customers should use their own judgment regarding contracting these or any other testers. Hillsborough County makes no representation regarding the abilities, performance, liability coverage, or quality of service of the testers listed.”

On Hillsborough County Water Resources's approved list, version JSON feed, newest record modified 2025-04-02 · 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.

Old list · versionJSON feed, newest record modified 2025-04-02

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

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

Confirm with your utility before booking.

Companies on the list (251)

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

0–9 and symbols · 3

A · 40

B · 21

Babes Plumbing Inc

941-488-2402

On this utility's approved list

From its website (2026-11-15): also plumbing, drain and sewer, water heaters, water treatment, fire sprinklers, other fire protection; 24/7 or emergency service; area: Venice, Port Charlotte, Boca Grande, Longboat Key, North Port, Englewood, and nearby communities.

C · 25

Cass Plumbing

813-265-9200

On this utility's approved list

From its website (2026-11-15): also plumbing, drain and sewer, water heaters, water treatment; serves homes; 24/7 or emergency service; area: throughout the Greater Tampa Bay area.

D · 13

E · 5

F · 16

G · 10

Grable Plumbing Company

813-239-3636

On this utility's approved list

From its website (2026-11-15): also plumbing, water heaters, drain and sewer; 24/7 or emergency service; area: Serving the Tampa Bay Area; serving communities of Hillsborough County, Florida.

Grays Backflow Services LLC

407-592-2365

On this utility's approved list

From its website (2026-11-15): also backflow repair; area: Located in Orlando; also serves Altamonte Springs, Casselberry, Lake Mary, Kissimmee, Longwood, Oviedo, Sanford, and anywhere in Florida with advance notice.

H · 6

I · 5

J · 4

K · 4

L · 10

M · 8

N · 2

O · 7

P · 11

Q · 3

R · 12

S · 18

Sciens Building Solutions

727-209-5122

On this utility's approved list

From its website (2026-11-15): also other fire protection, other fire protection; 24/7 or emergency service; area: throughout St. Petersburg, Clearwater, and the wider Tampa Bay region.

T · 13

U · 5

V · 3

W · 6

Z · 1

Other utility lists in Florida: City of Tampa Water Department, Tallahassee.

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.