BackflowNear Test-Due Reminder

Backflow testing in London, OH

36 backflow testing businesses work within 25 miles of London, 3 of them based in town. 2 have testers on Ohio's roster and 34 are on the approved tester list of City of Columbus and City of Columbus irrigation.

36 businesses within 25 miles

Backflow testing companies near London

Sprinkler Doctor Inc

100/100
✓ OH Certified Backflow Tester Verified #B10581 ★ 4.2 (5 reviews) 3 certified testersOn City of Columbus irrigation list Backflow Testing

9895 Pringle-Benjamin Rd, London, OH 43140 · 8 mi from London

Call (740) 845-1300 Details Website

Verified Oct 2026 · Unclaimed listing

Koorsen Fire & Security

100/100
✓ OH Utility-Approved Tester Verified #A11757 ★ 4.9 (729 reviews) 7 certified testersOn City of Columbus list Backflow Testing

727 Manor Park Dr, Columbus, OH 43228 · 16 mi from London

Call (614) 878-2228 Details Website

Verified Oct 2026 · Unclaimed listing

Geiger Brothers Inc

100/100
✓ OH Utility-Approved Tester Verified #A12459 ★ 3.2 (6 reviews) 4 certified testersOn City of Columbus list Backflow Testing

5211 Trabue Rd, Columbus, OH 43228 · 17 mi from London

Call (614) 347-9200 Details Website

Verified Oct 2026 · Unclaimed listing

VFP Fire Systems

100/100
✓ OH Utility-Approved Tester Verified #A10932B ★ 3.7 (7 reviews) 18 certified testersOn City of Columbus list Backflow Testing

2835 Charter St, Columbus, OH 43228 · 18 mi from London

Call (614) 527-9855 Details Website

Verified Oct 2026 · Unclaimed listing

Abram Contractors

90/100
✓ OH Utility-Approved Tester Verified #A6027 ★ 3.8 (6 reviews) 3 certified testersOn City of Columbus list Backflow Testing

4873 Sullivant Ave, Columbus, OH 43228 · 16 mi from London

Call (614) 954-5025 Details

Verified Oct 2026 · Unclaimed listing

Irrigation Solutions

90/100
✓ OH Certified Backflow Tester Verified #B10438 ★ 2.3 (3 reviews) On City of Columbus irrigation list Backflow Testing

5461 Fox Hill Rd, Hilliard, OH 43026 · 17 mi from London

Call (614) 774-6025 Details Website

Verified Oct 2026 · Unclaimed listing

Nationwide Irrigation

90/100
✓ OH Utility-Approved Tester Verified #A4857B ★ 4.3 (21 reviews) On City of Columbus list Backflow Testing

4000 Fisher Rd, Columbus, OH 43228 · 18 mi from London

Call (614) 791-0054 Details Website

Verified Oct 2026 · Unclaimed listing

Gunther

90/100
✓ OH Utility-Approved Tester Verified #A12736 ★ 4.9 (966 reviews) On City of Columbus list Backflow Testing

3080 Scioto Darby Executive Ct, Hilliard, OH 43026 · 19 mi from London

Call (614) 580-9406 Details Website

Verified Oct 2026 · Unclaimed listing

Keigley Plumbing Inc

90/100
✓ OH Utility-Approved Tester Verified #A2726 ★ 4 (32 reviews) 2 certified testersOn City of Columbus list Backflow Testing

2880 Scioto Darby Executive Ct, Hilliard, OH 43026 · 19 mi from London

Call (614) 850-9110 Details

Verified Oct 2026 · Unclaimed listing

Old Hilliard Plumbing

90/100
✓ OH Utility-Approved Tester Verified #A11243 ★ 4.5 (54 reviews) On City of Columbus list Backflow Testing

4080 Anson Dr, Hilliard, OH 43026 · 20 mi from London

Call (614) 777-9320 Details Website

Verified Oct 2026 · Unclaimed listing

Accurate Plumbing Inc

100/100
✓ OH Utility-Approved Tester Verified #A5434 ★ 4.8 (128 reviews) 2 certified testersOn City of Columbus list Backflow Testing

7595 Fishel Dr S, Dublin, OH 43016 · 20 mi from London

Call (614) 526-0131 Details Website

Verified Oct 2026 · Unclaimed listing

Baumann Plumbing

100/100
✓ OH Utility-Approved Tester Verified #A5160 ★ 2.3 (12 reviews) 4 certified testersOn City of Columbus list Backflow Testing

550 Stimmel Rd, Columbus, OH 43223 · 22 mi from London

Call (614) 491-2163 Details Website

Verified Oct 2026 · Unclaimed listing

Freeland Contracting Co

100/100
✓ OH Utility-Approved Tester Verified #A11179 ★ 4 (7 reviews) 4 certified testersOn City of Columbus list Backflow Testing

2295 S High St, Columbus, OH 43207 · 23 mi from London

Call (614) 443-2718 Details Website

Verified Oct 2026 · Unclaimed listing

Farber Corporation

100/100
✓ OH Utility-Approved Tester Verified #A3420B ★ 4 (13 reviews) 2 certified testersOn City of Columbus list Backflow Testing

800 E 12th Ave, Columbus, OH 43211 · 25 mi from London

Call (614) 294-1626 Details Website

Verified Oct 2026 · Unclaimed listing

Allegiant Plumbing LLC

90/100
✓ OH Utility-Approved Tester Verified #A11526 ★ 4.8 (130 reviews) On City of Columbus list Backflow Testing

2235 McKinley Ave, Columbus, OH 43204 · 20 mi from London

Call (614) 824-5002 Details Website

Verified Oct 2026 · Unclaimed listing

CCS Construction LLC

90/100
✓ OH Utility-Approved Tester Verified #A12781 ★ 3.3 (26 reviews) On City of Columbus list Backflow Testing

8675 Memorial Dr, Plain City, OH 43064 · 21 mi from London

Call (740) 279-6601 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 London 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 London

Who can test a backflow preventer in London?

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

How many backflow testing companies serve London?

36 companies on the approved list of City of Columbus and City of Columbus irrigation work within 25 miles of London, 3 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 Columbus approved backflow testers, City of Columbus.

Approved list: City of Columbus approved backflow testers (irrigation devices), City of Columbus.

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