BackflowNear Test-Due Reminder

Approved backflow testers in Farmington Hills, MI

33 backflow testing businesses work within 25 miles of Farmington Hills, 3 of them based in town. Every one is on the approved tester list of Oakland County WRC and City of Ann Arbor.

33 businesses within 25 miles

Backflow testing companies near Farmington Hills

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 Farmington Hills? 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 · 1 mi from Farmington Hills

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

Rooter MD plumbing LLC

90/100
✓ MI Utility-Approved Tester Verified ★ 4.4 (218 reviews) On Oakland County WRC list Backflow Testing

31675 W 8 Mile Rd, Livonia, MI 48152 · 3 mi from Farmington Hills

Call (248) 888-7777 Details Website
Verified Oct 2026 · Unclaimed listing

A-1 Comfort Control LLC

90/100
✓ MI Utility-Approved Tester Verified ★ 3.5 (29 reviews) On Oakland County WRC list Backflow Testing

31128 W 8 Mile Rd, Farmington Hills, MI 48336 · 3 mi from Farmington Hills

Call (248) 476-2323 Details Website
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 · 9 mi from Farmington Hills

Call (248) 514-0809 Details Website
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 · 3 mi from Farmington Hills

Call (248) 855-2444 Details
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 · 6 mi from Farmington Hills

Call (734) 744-4134 Details
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 · 12 mi from Farmington Hills

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

Nelson Brothers Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 4.8 (1635 reviews) On Oakland County WRC list Backflow Testing

1115 E 11 Mile Rd, Royal Oak, MI 48067 · 14 mi from Farmington Hills

Call (248) 541-0819 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 Farmington Hills

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 Farmington Hills

Call (248) 548-6985 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 · 17 mi from Farmington Hills

Call (248) 652-0990 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 · 17 mi from Farmington Hills

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 · 15 mi from Farmington Hills

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

Macomb Mechanical, Inc.

90/100
✓ MI Utility-Approved Tester Verified ★ 4.5 (29 reviews) On Oakland County WRC list Backflow Testing

6250 19 Mile Rd, Sterling Heights, MI 48314 · 20 mi from Farmington Hills

Call (586) 737-9900 Details Website
Verified Oct 2026 · Unclaimed listing

Olde Towne Plumbing Co.

90/100
✓ MI Utility-Approved Tester Verified ★ 4.3 (85 reviews) On City of Ann Arbor list Backflow Testing

3880 Trade Center Dr, Ann Arbor, MI 48108 · 22 mi from Farmington Hills

Call (734) 665-0088 Details Website
Verified Oct 2026 · Unclaimed listing

Delong Plumbing

90/100
✓ MI Utility-Approved Tester Verified ★ 4.3 (41 reviews) On Oakland County WRC list Backflow Testing

540 Tanview Dr, Oxford, MI 48371 · 24 mi from Farmington Hills

Call (248) 693-5890 Details Website
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Farmington Hills

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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.

Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.

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Backflow testing questions in Farmington Hills

Where are the backflow testing businesses listed for Farmington Hills based?

33 backflow testing businesses are listed within 25 miles of Farmington Hills. 3 are based in Farmington Hills itself, 17 more within 15 miles and 13 further out, up to 25 miles away. Other towns with more than one listing: Ann Arbor (5), Livonia (4) and Rochester Hills (3). The closest is Thornton & Grooms, 1 mile from Farmington Hills.

Which tester lists are the businesses near Farmington Hills 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 Farmington Hills have Google reviews?

31 of the 33 listed for Farmington Hills 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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