BackflowNear Test-Due Reminder

Approved backflow testers in Spokane, WA

28 backflow testing businesses work within 25 miles of Spokane, 12 of them based in town. Every one is on the approved tester list of 5 water utilities.

28 businesses within 25 miles

Backflow testing companies near Spokane

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

McKinstry

90/100
✓ WA Utility-Approved Tester Verified ★ 3.8 (9 reviews) On City of Spokane list Backflow Testing

601 E Riverside Ave Ste 510, Spokane, WA 99202 · 1 mi from Spokane

Call (509) 747-3389 Details Website
Verified Oct 2026 · Unclaimed listing

Gold Seal

90/100
✓ WA Utility-Approved Tester Verified ★ 4.8 (3639 reviews) On City of Spokane list Backflow Testing

5524 E Boone Ave, Spokane Valley, WA 99212 · 3 mi from Spokane

Call (509) 535-5946 Details Website
Verified Oct 2026 · Unclaimed listing

H2O Flow LLC

90/100
✓ WA Utility-Approved Tester Verified ★ 5 (101 reviews) On City of Spokane list Backflow Testing

2232 N Hemlock St, Spokane, WA 99205 · 3 mi from Spokane

Call (509) 828-8859 Details Website
Verified Oct 2026 · Unclaimed listing

Hiller Fire

90/100
✓ WA Utility-Approved Tester Verified ★ 3.4 (5 reviews) On City of Spokane listOn City of Yakima list Backflow Testing

10311 E Montgomery Dr, Spokane Valley, WA 99206 · 6 mi from Spokane

Call (509) 290-5447 Details Website
Verified Oct 2026 · Unclaimed listing

Jones Sprinklers Inc.

90/100
✓ WA Utility-Approved Tester Verified ★ 4.9 (1934 reviews) On City of Spokane list Backflow Testing

4042 S Bowdish Rd #2, Spokane Valley, WA 99206 · 7 mi from Spokane

Call (509) 701-2598 Details Website
Verified Oct 2026 · Unclaimed listing

Johnson Controls

90/100
✓ WA Utility-Approved Tester Verified ★ 3.5 (6 reviews) On City of Spokane list Backflow Testing

9718 W Flight Dr, Spokane, WA 99224 · 8 mi from Spokane

Call (509) 534-6055 Details Website
Verified Oct 2026 · Unclaimed listing

Roe Backflow Testing

80/100
✓ WA Utility-Approved Tester Verified ★ 4.7 (15 reviews) On City of Spokane list Backflow Testing

1716 E Francis Ave, Spokane, WA 99208 · 3 mi from Spokane

Call (509) 484-0225 Details
Verified Oct 2026 · Unclaimed listing

Apollo Mechanical

80/100
✓ WA Utility-Approved Tester Verified On City of Spokane list Backflow Testing

11505 E Trent Ave, Spokane Valley, WA 99206 · 6 mi from Spokane

Call (509) 532-2190 Details
Verified Oct 2026 · Unclaimed listing

Cutting Edge Landscape

80/100
✓ WA Utility-Approved Tester Verified ★ 4.6 (9 reviews) On City of Spokane list Backflow Testing

2710 W Stearns Rd, Spokane, WA 99208 · 9 mi from Spokane

Call (509) 339-3355 Details
Verified Oct 2026 · Unclaimed listing

Backflow Johnny

80/100
✓ WA Utility-Approved Tester Verified ★ 3.9 (7 reviews) On City of Spokane list Backflow Testing

18208 Astor Ct, Colbert, WA 99005 · 11 mi from Spokane

Call (509) 998-5651 Details
Verified Oct 2026 · Unclaimed listing

Epic Backflow

100/100
✓ ID Utility-Approved Tester Verified ★ 4.9 (56 reviews) 2 certified testersOn City of Post Falls listOn Hayden Irrigation District list Backflow Testing

3318 N Kiernan Dr, Post Falls, ID 83854 · 23 mi from Spokane

Call (208) 391-2975 Details Website
Verified Oct 2026 · Unclaimed listing

Scotty’s Backflow

90/100
✓ ID Utility-Approved Tester Verified ★ 4.8 (1143 reviews) On City of Post Falls listOn City of Eagle list Backflow Testing

1001 N Spokane St, Post Falls, ID 83854 · 21 mi from Spokane

Call (208) 818-7838 Details Website
Verified Oct 2026 · Unclaimed listing

Three Trees Landscaping Inc.

90/100
✓ ID Utility-Approved Tester Verified ★ 3.2 (32 reviews) On City of Post Falls listOn Hayden Irrigation District list Backflow Testing

780 E Tiger Ave, Post Falls, ID 83854 · 21 mi from Spokane

Call (208) 457-9902 Details Website
Verified Oct 2026 · Unclaimed listing

Top Shelf Handyman Pros

90/100
✓ ID Utility-Approved Tester Verified ★ 5 (34 reviews) On City of Post Falls list Backflow Testing

405 N Greensferry Rd Unit 25, Post Falls, ID 83877 · 22 mi from Spokane

Call (208) 428-5105 Details Website
Verified Oct 2026 · Unclaimed listing

Sunrise CPR & Water Inc.

90/100
✓ ID Utility-Approved Tester Verified ★ 5 (11 reviews) On Hayden Irrigation District list Backflow Testing

55 N Cedar St Unit 204, Post Falls, ID 83854 · 23 mi from Spokane

Call (208) 659-8746 Details Website
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Spokane

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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 Spokane

Where are the backflow testing businesses listed for Spokane based?

28 backflow testing businesses are listed within 25 miles of Spokane. 12 are based in Spokane itself, 11 more within 15 miles and 5 further out, up to 23 miles away. Other towns with more than one listing: Spokane Valley (7) and Post Falls (5). The closest is Shaw Plumbing Services, under 1 mile from Spokane.

Which tester lists are the businesses near Spokane on?

Every one is on the approved tester list of 5 water utilities.

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

24 of the 28 listed for Spokane have 3 or more Google reviews. Gold Seal has the most reviews, 3,639, with an average of 4.8 stars, as Google showed them at our last check.

Approved list: City of Bellevue backflow testing companies, City of Bellevue Utilities.

Approved list: Washington Water companies with certified backflow testers, Washington Water Service.

Approved list: City of Spokane backflow assembly testers, City of Spokane Water Department.

Approved list: City of Olympia certified backflow testers, City of Olympia Drinking Water Utility.

Approved list: Clark Public Utilities list of Washington State certified backflow testers, Clark Public Utilities.

Approved list: City of Lacey certified backflow assembly testers (BAT) list, City of Lacey Public Works.

Approved list: City of Yakima certified backflow prevention assembly testers, City of Yakima Water/Irrigation Division.

Approved list: City of Ridgefield approved backflow assembly testers, City of Ridgefield Public Works.

Approved list: City of Sumner approved backflow assembly testers, City of Sumner.

Approved list: City of DuPont certified backflow prevention assembly testers, City of DuPont Public Works.

Approved list: City of Snoqualmie backflow assembly testers, City of Snoqualmie.

Related site: Testing a fire line? The sprinkler system behind it needs its own inspections by a state-licensed fire protection company. Licensed fire sprinkler inspectors near Spokane on FireInspectorNear, our sister directory.

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