BackflowNear Test-Due Reminder

Backflow testing in El Cajon, CA

37 backflow testing businesses work within 25 miles of El Cajon, 4 of them based in town. Every one is on the approved tester list of City of San Diego and Long Beach.

37 businesses within 25 miles

Backflow testing companies near El Cajon

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.

Remedy Rooter

90/100
✓ CA Utility-Approved Tester Verified ★ 5 (365 reviews) On City of San Diego list Backflow Testing

208 Greenfield Dr Ste k, El Cajon, CA 92020 · under 1 mile from El Cajon

Call (619) 579-7979 Details Website

Verified Oct 2026 · Unclaimed listing

Pride Plumbing

90/100
✓ CA Utility-Approved Tester Verified ★ 4.6 (133 reviews) On City of San Diego list Backflow Testing

1357 Cuyamaca St, El Cajon, CA 92020 · under 1 mile from El Cajon

Call (619) 713-5177 Details Website

Verified Oct 2026 · Unclaimed listing

Bill Howe Plumbing

90/100
✓ CA Utility-Approved Tester Verified ★ 4.8 (6034 reviews) On City of San Diego list Backflow Testing

9210 Sky Park Ct, San Diego, CA 92123 · 9 mi from El Cajon

Call (619) 286-6348 Details Website

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 list Backflow Testing

9453 Debbie Ct, El Cajon, CA 92021 · 6 mi from El Cajon

Call (619) 484-6198 Details

Verified Oct 2026 · Unclaimed listing

Felix Backflow

90/100
✓ CA Utility-Approved Tester Verified ★ 5 (4 reviews) On City of San Diego list Backflow Testing

5073 Central Ave, Bonita, CA 91902 · 10 mi from El Cajon

Call (619) 980-6860 Details Website

Verified Oct 2026 · Unclaimed listing

AO Reed & Company

90/100
✓ CA Utility-Approved Tester Verified ★ 4.2 (34 reviews) On City of San Diego list Backflow Testing

4777 Ruffner St, San Diego, CA 92111 · 11 mi from El Cajon

Call (858) 565-4131 Details Website

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

7292 Opportunity Rd b, San Diego, CA 92111 · 11 mi from El Cajon

Call (858) 538-6025 Details Website

Verified Oct 2026 · Unclaimed listing

Steele Plumbing Inc.

90/100
✓ CA Utility-Approved Tester Verified ★ 4.9 (128 reviews) On City of San Diego list Backflow Testing

8920 Activity Rd Ste O, San Diego, CA 92126 · 11 mi from El Cajon

Call (619) 254-7285 Details Website

Verified Oct 2026 · Unclaimed listing

Jackson and Blanc

90/100
✓ CA Utility-Approved Tester Verified ★ 4.3 (15 reviews) On City of San Diego list Backflow Testing

7929 Arjons Dr B, San Diego, CA 92126 · 12 mi from El Cajon

Call (858) 831-7900 Details Website

Verified Oct 2026 · Unclaimed listing

ACCO Engineered Systems

90/100
✓ CA Utility-Approved Tester Verified ★ 4.2 (10 reviews) On City of San Diego list Backflow Testing

5950 Nancy Ridge Dr #500, San Diego, CA 92121 · 14 mi from El Cajon

Call (858) 264-8859 Details Website

Verified Oct 2026 · Unclaimed listing

Pacific Plumbing

90/100
✓ CA Utility-Approved Tester Verified ★ 5 (5 reviews) On City of San Diego listOn Long Beach list Backflow Testing

4660 La Jolla Village Dr Ste 100, San Diego, CA 92122 · 14 mi from El Cajon

Call (714) 547-6967 Details Website

Verified Oct 2026 · Unclaimed listing

Ascend Plumbing Inc.

90/100
✓ CA Utility-Approved Tester Verified ★ 5 (802 reviews) On City of San Diego list Backflow Testing

1031 Garnet Ave, San Diego, CA 92109 · 16 mi from El Cajon

Call (858) 800-1141 Details Website

Verified Oct 2026 · Unclaimed listing

Xyg Services Inc.

90/100
✓ CA Utility-Approved Tester Verified ★ 4.5 (71 reviews) On City of San Diego list Backflow Testing

7020 Alamitos Ave Ste C, San Diego, CA 92154 · 17 mi from El Cajon

Call (619) 271-2916 Details Website

Verified Oct 2026 · Unclaimed listing

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 El Cajon 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 El Cajon

Who can test a backflow preventer in El Cajon?

A tester certified as California's rules require, and accepted by your water utility. The companies here are on the approved list of City of San Diego and Long Beach: companies allowed to file backflow test reports in that system. Check the notice your utility sent.

How many backflow testing companies serve El Cajon?

37 companies on the approved list of City of San Diego and Long Beach work within 25 miles of El Cajon, 4 of them based in town.

How often do I need a backflow test?

Most utilities require a test when the assembly is installed and then every year. Your utility's notice gives the due date and how the tester files the report.

Approved list: City of San Diego approved backflow testers, City of San Diego Public Utilities Department.

Approved list: Sacramento County certified backflow prevention assembly testers, Sacramento County Environmental Management Department.

Approved list: EBMUD approved backflow testers, East Bay Municipal Utility District.

Approved list: Certified Backflow Prevention Device Testers, Los Angeles County Public Health.

Approved list: City of Long Beach backflow prevention testers, Long Beach Health.

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