BackflowNear Test-Due Reminder

Approved backflow testers in Livonia, MI

31 backflow testing businesses work within 25 miles of Livonia, 4 of them based in town. Every one is on the approved tester list of Oakland County WRC and City of Ann Arbor.

31 businesses within 25 miles

Backflow testing companies near Livonia

Most of these businesses are also listed on Farmington Hills, MI.

What the badges mean
✓ MI 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 Livonia? One sponsor per county, clearly labelled. Sponsor this county

Thornton & Grooms

90/100
✓ MI Utility-Approved Tester Verified ★ 4.9 (16204 reviews) On Oakland County WRC list Backflow Testing

24565 Hallwood Ct, Farmington Hills, MI 48335 · 7 mi from Livonia

Call (248) 644-7810 Details Website
Verified Oct 2026 · Unclaimed listing

Lighthouse Plumbing Services, Inc

80/100
✓ MI Utility-Approved Tester Verified ★ 4.3 (6 reviews) On Oakland County WRC listOn City of Ann Arbor list Backflow Testing

34021 Schoolcraft, Livonia, MI 48150 · under 1 mile from Livonia

Call (734) 744-4134 Details
Verified Oct 2026 · Unclaimed listing

H Muskovitz Plumbing Company

80/100
✓ MI Utility-Approved Tester Verified ★ 5 (3 reviews) On Oakland County WRC list Backflow Testing

35262 Spring Hill Rd, Farmington Hills, MI 48331 · 10 mi from Livonia

Call (248) 855-2444 Details
Verified Oct 2026 · Unclaimed listing

Royal Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 4.7 (86 reviews) On Oakland County WRC list Backflow Testing

16947 W 10 Mile Rd, Southfield, MI 48075 · 11 mi from Livonia

Call (248) 514-0809 Details Website
Verified Oct 2026 · Unclaimed listing

Waterwork LLC

90/100
✓ MI Utility-Approved Tester Verified ★ 4.7 (2327 reviews) On Oakland County WRC list Backflow Testing

1049 Hilton Rd, Ferndale, MI 48220 · 14 mi from Livonia

Call (248) 542-8022 Details Website
Verified Oct 2026 · Unclaimed listing

Able Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 3.8 (14 reviews) On City of Ann Arbor list Backflow Testing

24410 John R Rd, Hazel Park, MI 48030 · 15 mi from Livonia

Call (248) 548-6985 Details Website
Verified Oct 2026 · Unclaimed listing

Evelux Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 4.5 (133 reviews) On Oakland County WRC list Backflow Testing

3930 Elizabeth Lake Rd, Waterford Township, MI 48328 · 18 mi from Livonia

Call (248) 310-4603 Details Website
Verified Oct 2026 · Unclaimed listing

A & R Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 4.3 (95 reviews) On City of Ann Arbor list Backflow Testing

10855 Silver Lake Rd, South Lyon, MI 48178 · 19 mi from Livonia

Call (248) 912-2574 Details Website
Verified Oct 2026 · Unclaimed listing

Huron Plumbing, Inc

80/100
✓ MI Utility-Approved Tester Verified On Oakland County WRC list Backflow Testing

3956 Dunning Rd, Rochester Hills, MI 48309 · 20 mi from Livonia

Call (248) 853-2920 Details
Verified Oct 2026 · Unclaimed listing

Boone & Darr, Inc.

90/100
✓ MI Utility-Approved Tester Verified ★ 4.1 (16 reviews) On City of Ann Arbor list Backflow Testing

4465 S State Rd, Ann Arbor, MI 48108 · 21 mi from Livonia

Call (734) 665-0648 Details Website
Verified Oct 2026 · Unclaimed listing

Putman & Sons Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 4.8 (697 reviews) On Oakland County WRC list Backflow Testing

2175 Crooks Rd, Rochester Hills, MI 48309 · 22 mi from Livonia

Call (248) 652-0990 Details Website
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Livonia

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Published prices nationwide

$29.99 to $100 per assembly

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

Every published price, with its source: what a backflow test costs.

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Backflow testing questions in Livonia

Where are the backflow testing businesses listed for Livonia based?

31 backflow testing businesses are listed within 25 miles of Livonia. 4 are based in Livonia itself, 10 more within 15 miles and 17 further out, up to 23 miles away. Other towns with more than one listing: Ann Arbor (5), Farmington Hills (3) and Rochester Hills (3). The closest is Lighthouse Plumbing Services, Inc, under 1 mile from Livonia.

Which tester lists are the businesses near Livonia on?

Every one is on the approved tester list of Oakland County WRC and City of Ann Arbor.

How many of the backflow testing businesses near Livonia have Google reviews?

30 of the 31 listed for Livonia have 3 or more Google reviews. Thornton & Grooms has the most reviews, 16,204, with an average of 4.9 stars, as Google showed them at our last check.

Approved list: Oakland County WRC backflow prevention assembly testers, Oakland County Water Resources Commissioner.

Approved list: Certified backflow testers servicing the Ann Arbor area, City of Ann Arbor Public Works.

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