Tim Guishard Enterprises
100/100 ✓ CA Utility-Approved Tester Verified ★ 4.5 (4 reviews) 2 certified testersOn Otay Water District listOn Padre Dam list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Approved backflow testers in Alpine, CA
36 backflow testing businesses work within 25 miles of Alpine, 2 of them based in town. Every one is on the approved tester list of 11 water utilities.
36 businesses within 25 miles
Backflow testing companies near Alpine
Most of these businesses are also listed on El Cajon, CA.
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 Alpine? One sponsor per county, clearly labelled. Sponsor this county
Pro-Link Backflow Services
80/100 ✓ CA Utility-Approved Tester Verified On City of San Diego listOn Otay Water District listOn Padre Dam listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
$49 Pass 2 Pay Backflow
80/100 ✓ CA Utility-Approved Tester Verified ★ 5 (178 reviews) On City of San Diego listOn Otay Water District listOn Padre Dam listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Pacific Standard Plumbing
90/100 ✓ CA Utility-Approved Tester Verified ★ 5 (92 reviews) On City of San Diego listOn Sweetwater Authority list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Remedy Rooter
90/100 ✓ CA Utility-Approved Tester Verified ★ 5 (365 reviews) On City of San Diego listOn Otay Water District listOn Sweetwater Authority list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified ★ 3 (38 reviews) On City of San Diego list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified ★ 3.5 (10 reviews) On City of San Diego listOn Otay Water District listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Pride Plumbing
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.6 (133 reviews) On City of San Diego listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Ahlee Backflow Services
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.6 (14 reviews) On Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Perry Plumbing & Pipe Lining
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.9 (986 reviews) On Sweetwater Authority list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified On City of San Diego listOn Padre Dam list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Western Fire Protection Inc.
90/100 ✓ CA Utility-Approved Tester Verified ★ 4 (27 reviews) On City of San Diego listOn Otay Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Felix Backflow
90/100 ✓ CA Utility-Approved Tester Verified ★ 5 (4 reviews) On City of San Diego listOn EVMWD listOn Otay Water District listOn Padre Dam listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Hyperflow Plumbing
90/100 ✓ CA Utility-Approved Tester Verified On City of San Diego listOn Otay Water District listOn Sweetwater Authority list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Best Value Backflow Service
80/100 ✓ CA Utility-Approved Tester Verified On City of San Diego listOn Otay Water District listOn Padre Dam listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
AAA-Goforth Plumbing & Drain
80/100 ✓ CA Utility-Approved Tester Verified ★ 4.8 (26 reviews) On Padre Dam listOn Sweetwater Authority list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified ★ 3.8 (4 reviews) On Otay Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Booth's Pump Service
80/100 ✓ CA Utility-Approved Tester Verified ★ 4.5 (8 reviews) On City of San Diego list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Certified Backflow Testing
90/100 ✓ CA Utility-Approved Tester Verified ★ 5 (14 reviews) On City of San Diego listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Protech Building Services
90/100 ✓ CA Utility-Approved Tester Verified ★ 3.8 (43 reviews) On City of San Diego listOn Otay Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Sand Diego Building Services
90/100 ✓ CA Utility-Approved Tester Verified On City of San Diego list Backflow Testing
Verified Oct 2026 · Unclaimed listing
✓ CA Utility-Approved Tester Verified ★ 5 (33 reviews) On City of San Diego listOn IRWD listOn EVMWD listOn Cucamonga Valley Water District listOn Yorba Linda Water District listOn Ventura County list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Bill Howe Plumbing
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.8 (6034 reviews) On City of San Diego listOn Otay Water District listOn Padre Dam listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Watersedge Landscape, Inc
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.5 (24 reviews) On City of San Diego list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Steele Plumbing Inc.
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.9 (128 reviews) On City of San Diego listOn Otay Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Powers Plumbing and Heating
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.7 (497 reviews) On City of San Diego listOn Otay Water District listOn Sweetwater Authority listOn Olivenhain list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Jackson and Blanc
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.3 (15 reviews) On City of San Diego listOn Otay Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
AO Reed & Company
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.2 (34 reviews) On City of San Diego listOn Otay Water District listOn Padre Dam listOn Sweetwater Authority listOn Rancho California Water District list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Coastal San Diego Plumbing
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.8 (28 reviews) On City of San Diego list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Core Plumbing
90/100 ✓ CA Utility-Approved Tester Verified ★ 4.8 (1422 reviews) On City of San Diego list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Price reports
What a backflow test costs in Alpine
Not enough reports yet for Alpine 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.
Metro guide: Backflow testing in San Diego: every utility's rules, filing portals and published prices in one place.
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 Alpine 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 Alpine
Where are the backflow testing businesses listed for Alpine based?
36 backflow testing businesses are listed within 25 miles of Alpine. 2 are based in Alpine itself, 10 more within 15 miles and 24 further out, up to 25 miles away. Other towns with more than one listing: San Diego (17), El Cajon (5) and Santee (5). The closest is Tim Guishard Enterprises, 1 mile from Alpine.
Which tester lists are the businesses near Alpine on?
Every one is on the approved tester list of 11 water utilities.
How many of the backflow testing businesses near Alpine have Google reviews?
30 of the 36 listed for Alpine have 3 or more Google reviews. Bill Howe Plumbing has the most reviews, 6,034, 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.
Keep looking
- El Cajon, CA(12 mi)
- Santee, CA(13 mi)
- Ramona, CA(17 mi)
- Poway, CA(19 mi)
- Bonita, CA(19 mi)
- San Diego, CA(23 mi)
- Escondido, CA(29 mi)
- Vista, CA(37 mi)
- Temecula, CA(52 mi)