BackflowNear Test-Due Reminder

Approved backflow testers in Yorba Linda, CA

46 backflow testing businesses work within 25 miles of Yorba Linda, 2 of them based in town. Every one is on the approved tester list of 19 water utilities.

46 businesses within 25 miles

Backflow testing companies near Yorba Linda

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 Yorba Linda? One sponsor per county, clearly labelled. Sponsor this county

Meier Plumbing

100/100
✓ CA Utility-Approved Tester Verified #AWWA #20038 ★ 3.6 (13 reviews) 2 certified testersOn IRWD listOn Yorba Linda Water District list Backflow Testing

3870 Eagle Dr, Anaheim, CA 92807 · 2 mi from Yorba Linda

Call (714) 505-1955 Details Website
Verified Oct 2026 · Unclaimed listing

Cintas Fire Protection

90/100
✓ CA Utility-Approved Tester Verified ★ 4.9 (142 reviews) On Riverside Public Utilities list Backflow Testing

4320 E Miraloma Ave, Anaheim, CA 92807 · under 1 mile from Yorba Linda

Call (714) 646-2550 Details Website
Verified Oct 2026 · Unclaimed listing

California Coast Plumbers, Inc.

90/100
✓ CA Utility-Approved Tester Verified #AWWA #19378 ★ 5 (103 reviews) On IRWD listOn Cucamonga Valley Water District listOn Otay Water District listOn Sweetwater Authority listOn Rancho California Water District listOn EVMWD list Backflow Testing

4075 E La Palma Ave H, Anaheim, CA 92807 · 1 mi from Yorba Linda

Call (714) 632-0170 Details Website
Verified Oct 2026 · Unclaimed listing

Coast Plumbing

90/100
✓ CA Utility-Approved Tester Verified ★ 5 (789 reviews) On Yorba Linda Water District list Backflow Testing

8642 Bridle Cir, Yorba Linda, CA 92886 · 1 mi from Yorba Linda

Call (714) 241-1414 Details Website
Verified Oct 2026 · Unclaimed listing

Prevent Backflow

90/100
✓ CA Utility-Approved Tester Verified #PI0000135 On LA County certifiedOn Long Beach listOn Riverside Public Utilities listOn EVMWD listOn City of Redlands listOn Yorba Linda Water District listOn Casitas Municipal Water District listOn Western Water listOn Rancho California Water District list Backflow Testing

817 N Redondo Dr E, Anaheim, CA 92801 · 7 mi from Yorba Linda

Call (714) 635-9902 Details Website
Verified Oct 2026 · Unclaimed listing

Fire Safety First

90/100
✓ CA Utility-Approved Tester Verified #PI0001283 ★ 4.5 (19 reviews) On LA County certifiedOn City of San Diego listOn Long Beach listOn IRWD listOn Riverside Public Utilities listOn EVMWD listOn Cucamonga Valley Water District listOn La Puente Valley County Water District listOn City of Redlands listOn Yorba Linda Water District listOn Western Water listOn Rancho California Water District list Backflow Testing

1170 E Fruit St, Santa Ana, CA 92701 · 9 mi from Yorba Linda

Call (714) 836-4800 Details Website
Verified Oct 2026 · Unclaimed listing

Integrity Backflow Company

80/100
✓ CA Utility-Approved Tester Verified ★ 5 (3 reviews) On Yorba Linda Water District list Backflow Testing

5411 Saratoga St, Yorba Linda, CA 92886 · 1 mi from Yorba Linda

Call (714) 423-9399 Details
Verified Oct 2026 · Unclaimed listing

Klean Plumbing

80/100
✓ CA Utility-Approved Tester Verified #AWWA #20937 ★ 4.4 (10 reviews) On IRWD list Backflow Testing

1558 S Anaheim Blvd suite B, Anaheim, CA 92805 · 7 mi from Yorba Linda

Call (714) 860-6842 Details
Verified Oct 2026 · Unclaimed listing

Ironwood Plumbing Inc.

80/100
✓ CA Utility-Approved Tester Verified ★ 4.3 (7 reviews) On Long Beach list Backflow Testing

111 S Hathaway St, Santa Ana, CA 92701 · 9 mi from Yorba Linda

Call (877) 484-7575 Details
Verified Oct 2026 · Unclaimed listing

Terry’s Testing

90/100
✓ CA Utility-Approved Tester Verified ★ 4.7 (13 reviews) On Long Beach listOn IRWD listOn Riverside Public Utilities listOn EVMWD listOn West Valley Water District listOn Cucamonga Valley Water District listOn La Puente Valley County Water District listOn City of Redlands listOn Yorba Linda Water District listOn Western Water list Backflow Testing

4774 Murrieta St #13, Chino, CA 91710 · 11 mi from Yorba Linda

Call (800) 464-9287 Details Website
Verified Oct 2026 · Unclaimed listing

Benrich Service Company

90/100
✓ CA Utility-Approved Tester Verified #PI0000988 ★ 3.8 (32 reviews) On LA County certified Backflow Testing

3190 Airport Loop Dr Ste G, Costa Mesa, CA 92626 · 14 mi from Yorba Linda

Call (877) 891-9846 Details Website
Verified Oct 2026 · Unclaimed listing

CLS Landscape Management

90/100
✓ CA Utility-Approved Tester Verified ★ 4 (27 reviews) On Riverside Public Utilities listOn Cucamonga Valley Water District list Backflow Testing

4329 E State St, Montclair, CA 91763 · 14 mi from Yorba Linda

Call (909) 628-3005 Details Website
Verified Oct 2026 · Unclaimed listing

Hydro Backflow

90/100
✓ CA Utility-Approved Tester Verified On Cucamonga Valley Water District listOn Sweetwater Authority listOn Goleta Water District listOn Rancho California Water District list Backflow Testing

274 E Rowland St B, West Covina, CA 91791 · 15 mi from Yorba Linda

Call (844) 554-9376 Details Website
Verified Oct 2026 · Unclaimed listing

Go Fire Protection Inc

90/100
✓ CA Utility-Approved Tester Verified On Cucamonga Valley Water District listOn City of Redlands listOn Yorba Linda Water District listOn Rancho California Water District list Backflow Testing

2834 Hamner Ave #410, Norco, CA 92860 · 15 mi from Yorba Linda

Call (951) 310-2709 Details Website
Verified Oct 2026 · Unclaimed listing

Amazing Force Plumbing

90/100
✓ CA Utility-Approved Tester Verified #AWWA #18786 ★ 5 (356 reviews) On IRWD listOn Riverside Public Utilities listOn EVMWD listOn Cucamonga Valley Water District listOn City of Redlands list Backflow Testing

791 Allen Dr, Corona, CA 92879 · 16 mi from Yorba Linda

Call (800) 241-1533 Details Website
Verified Oct 2026 · Unclaimed listing

Bluegrass Landscape & Irrigation

90/100
✓ CA Utility-Approved Tester Verified ★ 4.9 (7 reviews) On Riverside Public Utilities listOn Cucamonga Valley Water District listOn Yorba Linda Water District list Backflow Testing

4934 Rosewood St, Montclair, CA 91763 · 16 mi from Yorba Linda

Call (909) 545-0474 Details Website
Verified Oct 2026 · Unclaimed listing

Los Angeles Plumbing

90/100
✓ CA Utility-Approved Tester Verified #PI0001130 ★ 5 (3 reviews) On LA County certifiedOn Long Beach listOn IRWD listOn Cucamonga Valley Water District listOn Yorba Linda Water District listOn Rancho California Water District list Backflow Testing

12698 Schabarum Ave, Irwindale, CA 91706 · 18 mi from Yorba Linda

Call (626) 814-0818 Details Website
Verified Oct 2026 · Unclaimed listing

Professional Plumbing Inc.

90/100
✓ CA Utility-Approved Tester Verified ★ 4.9 (51 reviews) On Riverside Public Utilities list Backflow Testing

4193 Flat Rock Rd Ste 200, Office 258, Riverside, CA 92505 · 18 mi from Yorba Linda

Call (951) 394-7477 Details Website
Verified Oct 2026 · Unclaimed listing

E.R. Block Plumbing & Heating

90/100
✓ CA Utility-Approved Tester Verified ★ 4 (29 reviews) On Riverside Public Utilities listOn EVMWD listOn City of Redlands listOn Western Water list Backflow Testing

10910 Hole Ave, Riverside, CA 92505 · 19 mi from Yorba Linda

Call (951) 687-4011 Details Website
Verified Oct 2026 · Unclaimed listing

Midnight Plumbing

80/100
✓ CA Utility-Approved Tester Verified #AWWA #19701 ★ 5 (4 reviews) On IRWD list Backflow Testing

1422 E Borchard Ave, Santa Ana, CA 92705 · 10 mi from Yorba Linda

Call (714) 721-2427 Details
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Yorba Linda

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Published prices nationwide

$29.99 to $100 per assembly

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

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.

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Metro guide: Backflow testing in Riverside and the Inland Empire: every utility's rules, filing portals and published prices in one place.

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Backflow testing questions in Yorba Linda

Where are the backflow testing businesses listed for Yorba Linda based?

46 backflow testing businesses are listed within 25 miles of Yorba Linda. 2 are based in Yorba Linda itself, 21 more within 15 miles and 23 further out, up to 24 miles away. Other towns with more than one listing: Anaheim (6), Riverside (6) and Santa Ana (5). The closest is Cintas Fire Protection in Anaheim, under 1 mile from Yorba Linda.

Which tester lists are the businesses near Yorba Linda on?

Every one is on the approved tester list of 19 water utilities.

How many of the backflow testing businesses near Yorba Linda have Google reviews?

39 of the 46 listed for Yorba Linda have 3 or more Google reviews. Coast Plumbing has the most reviews, 789, with an average of 5 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 Yorba Linda on FireInspectorNear, our sister directory.

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