BackflowNear Test-Due Reminder

Backflow testing in Pleasanton, CA

16 backflow testing businesses work within 25 miles of Pleasanton, 2 of them based in town. Every one is on the approved tester list of EBMUD and City of San Diego.

16 businesses within 25 miles

Backflow testing companies near Pleasanton

Marina Plumbing Co

90/100
✓ CA Utility-Approved Tester Verified ★ 3.9 (8 reviews) On EBMUD list Backflow Testing

440 Boulder Ct #400, Pleasanton, CA 94566 · under 1 mile from Pleasanton

Call (925) 600-8955 Details Website

Verified Oct 2026 · Unclaimed listing

Monarch Landscape

80/100
✓ CA Utility-Approved Tester Verified On EBMUD list Backflow Testing

5340 Brisa St, Livermore, CA 94550 · 8 mi from Pleasanton

Call (925) 519-9026 Details

Verified Oct 2026 · Unclaimed listing

Above All Plumbing

90/100
✓ CA Utility-Approved Tester Verified ★ 4.4 (118 reviews) On EBMUD list Backflow Testing

7730 Enterprise Dr #7, Newark, CA 94560 · 14 mi from Pleasanton

Call (510) 475-6040 Details Website

Verified Oct 2026 · Unclaimed listing

United Mechanical

90/100
✓ CA Utility-Approved Tester Verified ★ 4 (28 reviews) On EBMUD list Backflow Testing

2185 Oakland Rd, San Jose, CA 95131 · 19 mi from Pleasanton

Call (408) 892-1547 Details Website

Verified Oct 2026 · Unclaimed listing

Klingenbeck Plumbing

80/100
✓ CA Utility-Approved Tester Verified ★ 4.9 (10 reviews) On EBMUD list Backflow Testing

29237 Pacific St, Hayward, CA 94544 · 11 mi from Pleasanton

Call (510) 481-1985 Details

Verified Oct 2026 · Unclaimed listing

Escos Fire and Safety

90/100
✓ CA Utility-Approved Tester Verified ★ 5 (12 reviews) On City of San Diego list Backflow Testing

187 Mayhew Way #C, Walnut Creek, CA 94597 · 21 mi from Pleasanton

Call (925) 217-0500 Details Website

Verified Oct 2026 · Unclaimed listing

Thorpe Design Inc

90/100
✓ CA Utility-Approved Tester Verified ★ 3.9 (21 reviews) On EBMUD list Backflow Testing

410 Beatrice Ct A, Brentwood, CA 94513 · 22 mi from Pleasanton

Call (925) 848-6432 Details Website

Verified Oct 2026 · Unclaimed listing

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 Pleasanton 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 Pleasanton

Who can test a backflow preventer in Pleasanton?

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

How many backflow testing companies serve Pleasanton?

16 companies on the approved list of EBMUD and City of San Diego work within 25 miles of Pleasanton, 2 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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