BackflowNear Test-Due Reminder

Approved backflow testers in Twin Falls, ID

11 backflow testing businesses work within 25 miles of Twin Falls, 10 of them based in town. Every one is on the approved tester list of City of Twin Falls and City of Eagle.

11 businesses within 25 miles

Backflow testing companies near Twin Falls

What the badges mean
✓ ID 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 Twin Falls? One sponsor per county, clearly labelled. Sponsor this county

Evan's Plumbing Inc

90/100
✓ ID Utility-Approved Tester Verified ★ 4.7 (294 reviews) On City of Twin Falls list Backflow Testing

2140 Floral Ave, Twin Falls, ID 83301 · under 1 mile from Twin Falls

Call (208) 329-7900 Details Website
Verified Oct 2026 · Unclaimed listing

Webb Landscape Inc.

90/100
✓ ID Utility-Approved Tester Verified ★ 4.1 (91 reviews) On City of Twin Falls list Backflow Testing

136 Eastland Dr N, Twin Falls, ID 83301 · under 1 mile from Twin Falls

Call (208) 733-1485 Details Website
Verified Oct 2026 · Unclaimed listing

Hanks Custom Lawn Care

90/100
✓ ID Utility-Approved Tester Verified ★ 4.2 (85 reviews) On City of Twin Falls list Backflow Testing

1974 Eldridge Ave, Twin Falls, ID 83301 · under 1 mile from Twin Falls

Call (208) 316-4100 Details Website
Verified Oct 2026 · Unclaimed listing

Kimberly Nurseries LLC

90/100
✓ ID Utility-Approved Tester Verified ★ 4.2 (63 reviews) On City of Twin Falls list Backflow Testing

2862 Addison Ave E, Twin Falls, ID 83301 · 1 mi from Twin Falls

Call (208) 733-2717 Details Website
Verified Oct 2026 · Unclaimed listing

24/7 Backflow Service

90/100
✓ ID Utility-Approved Tester Verified ★ 4.9 (50 reviews) On City of Twin Falls listOn City of Eagle list Backflow Testing

222 Eden St W, Twin Falls, ID 83301 · 2 mi from Twin Falls

Call (208) 961-1328 Details Website
Verified Oct 2026 · Unclaimed listing

Backflow King

90/100
✓ ID Utility-Approved Tester Verified ★ 5 (16 reviews) On City of Twin Falls list Backflow Testing

1542 Lawndale Dr, Twin Falls, ID 83301 · 2 mi from Twin Falls

Call (208) 490-2423 Details Website
Verified Oct 2026 · Unclaimed listing

Fire Services of Idaho

80/100
✓ ID Utility-Approved Tester Verified ★ 4.3 (3 reviews) On City of Twin Falls list Backflow Testing

743 2nd Ave E, Twin Falls, ID 83301 · under 1 mile from Twin Falls

Call (208) 232-3640 Details
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Twin Falls

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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 Twin Falls

Where are the backflow testing businesses listed for Twin Falls based?

11 backflow testing businesses are listed within 25 miles of Twin Falls. 10 are based in Twin Falls itself and 1 more within 15 miles. The closest is U.S. Lawns of Twin Falls, under 1 mile from Twin Falls.

Which tester lists are the businesses near Twin Falls on?

Every one is on the approved tester list of City of Twin Falls and City of Eagle.

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

11 of the 11 listed for Twin Falls have 3 or more Google reviews. Evan's Plumbing Inc has the most reviews, 294, with an average of 4.7 stars, as Google showed them at our last check.

Approved list: City of Twin Falls licensed backflow assembly testers and installers, City of Twin Falls.

Approved list: City of Eagle backflow prevention assembly tester list, City of Eagle Water.

Approved list: City of Post Falls registered backflow assembly testers, City of Post Falls Water Division.

Approved list: Hayden Irrigation District approved backflow testing companies, Hayden Irrigation District.

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