BackflowNear Test-Due Reminder

Approved backflow testers in Manteca, CA

2 backflow testing businesses work within 25 miles of Manteca, 2 of them based in town. Every one is on the approved tester list of 6 water utilities.

2 businesses within 25 miles

Backflow testing companies near Manteca

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 Manteca? One sponsor per county, clearly labelled. Sponsor this county

Discount Plumbing

90/100
✓ CA Utility-Approved Tester Verified ★ 4.6 (279 reviews) On City of Ceres listOn City of Tracy list Backflow Testing

787 Cottage Ave, Manteca, CA 95336 · under 1 mile from Manteca

Call (209) 239-3550 Details Website
Verified Oct 2026 · Unclaimed listing

A1 Backflow Service Inc

80/100
✓ CA Utility-Approved Tester Verified #PI0001388 On Sacramento County certifiedOn DSRSD listOn City of Pleasanton listOn City of Lathrop listOn City of Ceres listOn City of Tracy list Backflow Testing

1136 Silvertrail Ln, Manteca, CA 95336 · under 1 mile from Manteca

Call (209) 607-7383 Details
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Manteca

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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.

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Backflow testing questions in Manteca

Where are the backflow testing businesses listed for Manteca based?

2 backflow testing businesses are listed within 25 miles of Manteca. 2 are based in Manteca itself. The closest is A1 Backflow Service Inc, under 1 mile from Manteca.

Which tester lists are the businesses near Manteca on?

Every one is on the approved tester list of 6 water utilities.

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

1 of the 2 listed for Manteca has 3 or more Google reviews. Discount Plumbing has the most reviews, 279, with an average of 4.6 stars, as Google showed them at our last check.

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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.

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Approved list: San Francisco authorized backflow assembly testing companies, San Francisco Department of Public Health.

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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.

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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.

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