PR Plumbing Heating and AC, Inc.
100/100 ✓ CA Utility-Approved Tester Verified #05-2012474 ★ 4.8 (1845 reviews) 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Approved backflow testers in Fresno, CA
16 backflow testing businesses work within 25 miles of Fresno, 11 of them based in town. Every one is on the approved tester list of City of Clovis.
16 businesses within 25 miles
Backflow testing companies near Fresno
What the badges mean
- ✓ CA Utility-Approved Tester Verified On the city list
- The company is on a water utility's own approved list (the second badge names the list). That is the utility's approval, not a state license, and it counts for that utility.
- 3 certified testers
- How many certified testers the roster lists at this business.
- ★ 4.8 (25 reviews)
- The Google rating, shown as Google reports it. It does not change the order.
Order is by our quality score, never by payment. How we verify listings.
Are you a backflow testing company near Fresno? One sponsor per county, clearly labelled. Sponsor this county
Fresno Plumbing & Heating
100/100 ✓ CA Utility-Approved Tester Verified #05-01303 ★ 4.1 (118 reviews) 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Art Douglas Plumbing, Inc.
100/100 ✓ CA Utility-Approved Tester Verified #10362 ★ 4.8 (477 reviews) 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Patton Air Conditioning
100/100 ✓ CA Utility-Approved Tester Verified #05-2202405 ★ 4.4 (21 reviews) 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Jorgensens
100/100 ✓ CA Utility-Approved Tester Verified #18636 ★ 4.1 (35 reviews) 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Fire System Solutions
100/100 ✓ CA Utility-Approved Tester Verified #18591 ★ 4.7 (7 reviews) 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Cosco Fire Protection, Inc.
100/100 ✓ CA Utility-Approved Tester Verified #18957 ★ 2.1 (7 reviews) 5 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
ACCO Engineered Systems
90/100 ✓ CA Utility-Approved Tester Verified #19545 ★ 3.7 (3 reviews) On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #05-01087 ★ 5 (3 reviews) On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Dirty Ernie's
90/100 ✓ CA Utility-Approved Tester Verified #05-2401406 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
All Star Plumbing
90/100 ✓ CA Utility-Approved Tester Verified #18689 ★ 4.7 (212 reviews) On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
A & B Plumbing
80/100 ✓ CA Utility-Approved Tester Verified #05-2302430 On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified #03294 On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Thomas' Backflow Testing
80/100 ✓ CA Utility-Approved Tester Verified #08711 On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
The Water Connection, Inc.
100/100 ✓ CA Utility-Approved Tester Verified #5-1225 2 certified testersOn City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Chet's Plumbing Co.
90/100 ✓ CA Utility-Approved Tester Verified #5-1906 ★ 4.8 (23 reviews) On City of Clovis list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Price reports
What a backflow test costs in Fresno
Not enough reports yet for Fresno to show a range. Be one of the first: it takes a minute and stays anonymous.
Published prices nationwide
$29.99 to $100 per assembly
$0$25$50$75$100$125
Every published price, with its source: what a backflow test costs.
Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.
City of Fresno Department of Public Utilities: backflow test rules
- Who must test. The city administers annual testing of every installed backflow preventer; RPP and double check assemblies are the two types it most often requires. Source.
- How the report is filed. Fresno sends backflow testing questions to BSI Online, the third party tracking service, at (800) 414-4990. Source.
- If a test is missed. A failed RPP device is repaired by qualified testing agencies or Water Division staff, but a device found beyond repair must be replaced by the owner. Source.
Everything about City of Fresno Department of Public Utilities's backflow program
Never miss your annual backflow test
Most water utilities require the backflow assembly on an irrigation, fire or commercial line to be tested every year, and a missed test can mean a shutoff notice. Tell us when yours was last tested in Fresno and we'll text you a month before it is due, with certified local testers ready to book.
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Backflow testing questions in Fresno
Where are the backflow testing businesses listed for Fresno based?
16 backflow testing businesses are listed within 25 miles of Fresno. 11 are based in Fresno itself, 3 more within 15 miles and 2 further out, up to 22 miles away. Other towns with more than one listing: Clovis (2). The closest is PR Plumbing Heating and AC, Inc., under 1 mile from Fresno.
Which tester lists are the businesses near Fresno on?
Every one is on the approved tester list of City of Clovis.
Which water utility sets the backflow test rules in Fresno?
City of Fresno Department of Public Utilities. Who must test: The city administers annual testing of every installed backflow preventer; RPP and double check assemblies are the two types it most often requires.
How many of the backflow testing businesses near Fresno have Google reviews?
11 of the 16 listed for Fresno have 3 or more Google reviews. PR Plumbing Heating and AC, Inc. has the most reviews, 1,845, with an average of 4.8 stars, as Google showed them at our last check.
Approved list: City of San Diego approved backflow testers, City of San Diego Public Utilities Department.
Approved list: Sweetwater Authority certified backflow testers, Sweetwater Authority.
Approved list: Cucamonga Valley Water District backflow assembly testers list, Cucamonga Valley Water District.
Approved list: Otay Water District approved backflow prevention assembly testers, Otay Water District.
Approved list: EVMWD backflow tester list, Elsinore Valley Municipal Water District.
Approved list: Ventura County certified backflow device tester list, County of Ventura Resource Management Agency.
Approved list: Yorba Linda Water District backflow prevention device testers, Yorba Linda Water District.
Approved list: Riverside Public Utilities backflow tester list, Riverside Public Utilities.
Approved list: City of Redlands backflow tester list (BSI), City of Redlands Municipal Utilities.
Approved list: Western Municipal Water District certified backflow prevention testers, Western Municipal Water District.
Approved list: Rancho California Water District approved backflow testers, Rancho California Water District.
Approved list: Sacramento County certified backflow prevention assembly testers, Sacramento County Environmental Management Department.
Approved list: Olivenhain Municipal Water District certified backflow prevention assembly testers, Olivenhain Municipal Water District.
Approved list: EBMUD approved backflow testers, East Bay Municipal Utility District.
Approved list: Irvine Ranch Water District backflow tester list, Irvine Ranch Water District.
Approved list: San Francisco authorized backflow assembly testing companies, San Francisco Department of Public Health.
Approved list: Padre Dam Municipal Water District approved backflow tester list, Padre Dam Municipal Water District.
Approved list: DSRSD backflow tester list, Dublin San Ramon Services District.
Approved list: City of Palo Alto approved backflow testers, City of Palo Alto Utilities.
Approved list: City of Pleasanton approved backflow prevention testers, City of Pleasanton Water.
Approved list: Certified Backflow Prevention Device Testers, Los Angeles County Public Health.
Approved list: Casitas Municipal Water District approved certified backflow device testers, Casitas Municipal Water District.
Approved list: City of Milpitas qualified backflow prevention assembly testers, City of Milpitas.
Approved list: City of Tracy approved backflow testers, City of Tracy Public Works.
Approved list: City of Long Beach backflow prevention testers, Long Beach Health.
Approved list: City of Ceres certified backflow tester list, City of Ceres.
Approved list: City of Petaluma city certified backflow testers, City of Petaluma.
Approved list: City of Clovis certified backflow testers, City of Clovis Public Utilities.
Approved list: Goleta Water District certified backflow tester listing, Goleta Water District.
Approved list: City of Napa certified backflow prevention testers, City of Napa Utilities.
Approved list: La Puente Valley County Water District approved list of backflow testers, La Puente Valley County Water District.
Approved list: Alameda County Water District approved backflow prevention testers, Alameda County Water District.
Approved list: West Valley Water District backflow tester list, West Valley Water District.
Approved list: Rainbow Municipal Water District certified backflow vendor list, Rainbow Municipal Water District.
Approved list: City of Lathrop approved backflow testers, City of Lathrop Public Works.
Approved list: North Marin Water District backflow assembly tester list, North Marin Water District.
Approved list: Calaveras County Water District recognized BPA testers, Calaveras County Water District.
Approved list: Diablo Water District list of certified backflow testers, Diablo Water District.
Approved list: Forestville Water District approved certified backflow device testers, Forestville Water District.
Related site: Testing a fire line? The sprinkler system behind it needs its own inspections by a state-licensed fire protection company. Licensed fire sprinkler inspectors near Fresno on FireInspectorNear, our sister directory.
Keep looking
- Clovis, CA(4 mi)
- Visalia, CA(38 mi)