BackflowNear Test-Due Reminder

Approved backflow testers in Billings, MT

7 backflow testing businesses work within 25 miles of Billings, 7 of them based in town. Every one is on the approved tester list of City of Billings.

7 businesses within 25 miles

Backflow testing companies near Billings

What the badges mean
✓ MT 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.

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Air Controls Plumbing

100/100
✓ MT Utility-Approved Tester Verified ★ 4.5 (77 reviews) 4 certified testersOn City of Billings list Backflow Testing

2115 2nd Ave N, Billings, MT 59101 · under 1 mile from Billings

Call (406) 245-6416 Details Website
Verified Oct 2026 · Unclaimed listing

Summit Fire & Security

100/100
✓ MT Utility-Approved Tester Verified ★ 4.1 (9 reviews) 2 certified testersOn City of Billings list Backflow Testing

3004 1st Ave S, Billings, MT 59101 · under 1 mile from Billings

Call (406) 221-5450 Details Website
Verified Oct 2026 · Unclaimed listing

G&T Plumbing

100/100
✓ MT Utility-Approved Tester Verified ★ 4.8 (78 reviews) 2 certified testersOn City of Billings list Backflow Testing

1402 Central Ave, Billings, MT 59102 · 3 mi from Billings

Call (406) 256-6016 Details Website
Verified Oct 2026 · Unclaimed listing

Star Service Plumbing

90/100
✓ MT Utility-Approved Tester Verified ★ 4.9 (60 reviews) 4 certified testersOn City of Billings list Backflow Testing

26 S 24th St, Billings, MT 59101 · under 1 mile from Billings

Call (406) 259-3754 Details
Verified Oct 2026 · Unclaimed listing

Hertz Plumbing

90/100
✓ MT Utility-Approved Tester Verified ★ 3 (8 reviews) 2 certified testersOn City of Billings list Backflow Testing

3701 South 56th St W, Billings, MT 59101 · 9 mi from Billings

Call (406) 248-3106 Details
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Billings

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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 Billings

Where are the backflow testing businesses listed for Billings based?

7 backflow testing businesses are listed within 25 miles of Billings. 7 are based in Billings itself. The closest is Star Service Plumbing, under 1 mile from Billings.

Which tester lists are the businesses near Billings on?

Every one is on the approved tester list of City of Billings.

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

6 of the 7 listed for Billings have 3 or more Google reviews. G&T Plumbing has the most reviews, 78, with an average of 4.8 stars, as Google showed them at our last check.

Approved list: City of Billings certified backflow tester list, City of Billings Public Works.

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