✓ CA Utility-Approved Tester Verified ★ 5 (4 reviews) On North Marin Water District listOn City of Petaluma listOn Forestville Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Approved backflow testers in Santa Rosa, CA
13 backflow testing businesses work within 25 miles of Santa Rosa, 5 of them based in town. Every one is on the approved tester list of 7 water utilities.
13 businesses within 25 miles
Backflow testing companies near Santa Rosa
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 Santa Rosa? One sponsor per county, clearly labelled. Sponsor this county
CheckRite Backflow Services
90/100 ✓ CA Utility-Approved Tester Verified ★ 4 (12 reviews) On City of Napa listOn North Marin Water District listOn City of Petaluma listOn Forestville Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Economy Plumbing
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.6 (19 reviews) On City of Petaluma listOn Forestville Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Devoto Plumbing, Inc
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.8 (14 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified ★ 4.8 (129 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
JV Plumbing & Backflow
80/100 ✓ CA Utility-Approved Tester Verified ★ 4 (4 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Cagwin & Dorward
100/100 ✓ CA Utility-Approved Tester Verified ★ 3.4 (10 reviews) 2 certified testersOn DSRSD listOn City of Milpitas listOn North Marin Water District listOn City of Tracy listOn City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
GAC Plumbing Company
90/100 ✓ CA Utility-Approved Tester Verified ★ 5 (3 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Dolcini Plumbing, Inc
90/100 ✓ CA Utility-Approved Tester Verified ★ 4 (19 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Ongaro & Sons
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.9 (766 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Arolo Company Inc
90/100 ✓ CA Utility-Approved Tester Verified ★ 2.7 (18 reviews) On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Service Plumbing
90/100 ✓ CA Utility-Approved Tester Verified On City of Petaluma listOn Forestville Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Scott Cramer Plumbing
80/100 ✓ CA Utility-Approved Tester Verified On City of Petaluma list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Price reports
What a backflow test costs in Santa Rosa
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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.
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Backflow testing questions in Santa Rosa
Where are the backflow testing businesses listed for Santa Rosa based?
13 backflow testing businesses are listed within 25 miles of Santa Rosa. 5 are based in Santa Rosa itself, 1 more within 15 miles and 7 further out, up to 19 miles away. Other towns with more than one listing: Petaluma (7). The closest is Roberts Mechanical & Electrical, Inc., 2 miles from Santa Rosa.
Which tester lists are the businesses near Santa Rosa on?
Every one is on the approved tester list of 7 water utilities.
How many of the backflow testing businesses near Santa Rosa have Google reviews?
11 of the 13 listed for Santa Rosa have 3 or more Google reviews. Ongaro & Sons has the most reviews, 766, with an average of 4.9 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 Santa Rosa on FireInspectorNear, our sister directory.
Keep looking
- Petaluma, CA(16 mi)
- Napa, CA(28 mi)
- San Rafael, CA(38 mi)
- Hercules, CA(42 mi)
- Martinez, CA(48 mi)
- Concord, CA(50 mi)
- San Francisco, CA(53 mi)
- Oakland, CA(55 mi)