Adam-EVE Plumbing & Drain
100/100 ✓ OH Utility-Approved Tester Verified ★ 4.4 (93 reviews) 3 certified testersOn Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Approved backflow testers in Warren, OH
11 backflow testing businesses work within 25 miles of Warren, 2 of them based in town. Every one is on the approved tester list of Trumbull County Health and City of Newark (Ohio).
11 businesses within 25 miles
Backflow testing companies near Warren
Most of these businesses are also listed on Youngstown, OH.
What the badges mean
- ✓ OH 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 Warren? One sponsor per county, clearly labelled. Sponsor this county
AK Waterworks LLC.
90/100 ✓ OH Utility-Approved Tester Verified ★ 4.9 (1256 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Thacker Plumbing/Heating
90/100 ✓ OH Utility-Approved Tester Verified ★ 4.4 (43 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
J.D. Farmer Plumbing Co.Inc.
80/100 ✓ OH Utility-Approved Tester Verified ★ 4.3 (25 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Shafer & Son Plumbing LLC.
80/100 ✓ OH Utility-Approved Tester Verified ★ 3 (3 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Timlin Plumbing & Heating
90/100 ✓ OH Utility-Approved Tester Verified ★ 4.4 (73 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Mayes and Sons Plumbing
90/100 ✓ OH Utility-Approved Tester Verified ★ 4.8 (1102 reviews) On City of Newark (Ohio) list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Thornton & Son LLC.
80/100 ✓ OH Utility-Approved Tester Verified ★ 5 (10 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
The Neff Company, Inc.
80/100 ✓ OH Utility-Approved Tester Verified ★ 4.6 (9 reviews) On Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Anchor Plumbing & Drain
100/100 ✓ OH Utility-Approved Tester Verified ★ 4.7 (162 reviews) 2 certified testersOn Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Morrone Mechanical
90/100 ✓ OH Utility-Approved Tester Verified ★ 4.9 (16 reviews) 2 certified testersOn Trumbull County Health list Backflow Testing
Verified Oct 2026 · Unclaimed listing
Price reports
What a backflow test costs in Warren
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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 Warren
Where are the backflow testing businesses listed for Warren based?
11 backflow testing businesses are listed within 25 miles of Warren. 2 are based in Warren itself, 5 more within 15 miles and 4 further out, up to 21 miles away. Other towns with more than one listing: Youngstown (3). The closest is J.D. Farmer Plumbing Co.Inc., 2 miles from Warren.
Which tester lists are the businesses near Warren on?
Every one is on the approved tester list of Trumbull County Health and City of Newark (Ohio).
How many of the backflow testing businesses near Warren have Google reviews?
11 of the 11 listed for Warren have 3 or more Google reviews. AK Waterworks LLC. has the most reviews, 1,256, with an average of 4.9 stars, as Google showed them at our last check.
Approved list: City of Newark, Ohio companies employing State of Ohio certified backflow testers, City of Newark Water Department.
Approved list: City of Columbus approved backflow testers, City of Columbus.
Approved list: Del-Co Water active backflow testers, Del-Co Water Company.
Approved list: Zanesville-Muskingum County Health Department certified backflow testers, Zanesville-Muskingum County Health Department.
Approved list: Northwestern Water and Sewer District certified backflow testers, Northwestern Water and Sewer District.
Approved list: Ottawa County area Ohio Department of Commerce certified backflow testers, Ottawa County Sanitary Engineer.
Approved list: City of Columbus approved backflow testers (irrigation devices), City of Columbus.
Approved list: Trumbull County Combined Health District plumbers certified to test backflow devices, Trumbull County Combined Health District.
Keep looking
- Youngstown, OH(14 mi)
- Cleveland, OH(46 mi)