BackflowNear Test-Due Reminder

Approved backflow testers in Spokane Valley, WA

35 backflow testing businesses work within 25 miles of Spokane Valley, 7 of them based in town. Every one is on the approved tester list of 5 water utilities.

35 businesses within 25 miles

Backflow testing companies near Spokane Valley

Most of these businesses are also listed on Spokane, WA.

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 Valley? One sponsor per county, clearly labelled. Sponsor this county

TLC The Landscape Company

90/100
✓ WA Utility-Approved Tester Verified ★ 3 (56 reviews) On City of Spokane list Backflow Testing

12620 E Indiana Ave, Spokane Valley, WA 99216 · under 1 mile from Spokane Valley

Call (509) 216-2078 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 · under 1 mile from Spokane Valley

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

Senske Lawn & Tree Care

90/100
✓ WA Utility-Approved Tester Verified ★ 4.7 (2231 reviews) On City of Spokane list Backflow Testing

7115 E Cataldo Ave, Spokane Valley, WA 99212 · 3 mi from Spokane Valley

Call (509) 535-3591 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 · 4 mi from Spokane Valley

Call (509) 535-5946 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 · 4 mi from Spokane Valley

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

Advanced Fire Systems

90/100
✓ WA Utility-Approved Tester Verified ★ 4.4 (19 reviews) On City of Spokane list Backflow Testing

4614 N Freya St, Spokane, WA 99217 · 5 mi from Spokane Valley

Call (509) 489-5040 Details Website
Verified Oct 2026 · Unclaimed listing

509 Fire Systems

90/100
✓ WA Utility-Approved Tester Verified On City of Yakima list Backflow Testing

3818 E Joseph Ave #B, Spokane, WA 99217 · 5 mi from Spokane Valley

Call (509) 798-7552 Details Website
Verified Oct 2026 · Unclaimed listing

Alpine Fire Sprinklers

90/100
✓ WA Utility-Approved Tester Verified ★ 4.6 (8 reviews) On City of Spokane list Backflow Testing

5315 N Corrigan Rd, Otis Orchards, WA 99027 · 7 mi from Spokane Valley

Call (509) 892-5100 Details Website
Verified Oct 2026 · Unclaimed listing

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 · 7 mi from Spokane Valley

Call (509) 747-3389 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 · 9 mi from Spokane Valley

Call (509) 828-8859 Details Website
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 · 1 mi from Spokane Valley

Call (509) 532-2190 Details
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 · 7 mi from Spokane Valley

Call (509) 484-0225 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 · 17 mi from Spokane Valley

Call (208) 391-2975 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 · 14 mi from Spokane Valley

Call (509) 534-6055 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 · 14 mi from Spokane Valley

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 · 15 mi from Spokane Valley

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 · 16 mi from Spokane Valley

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 · 17 mi from Spokane Valley

Call (208) 659-8746 Details Website
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 · 12 mi from Spokane Valley

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 · 13 mi from Spokane Valley

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

North Idaho Sprinklers

100/100
✓ ID Utility-Approved Tester Verified ★ 4.3 (76 reviews) 4 certified testersOn City of Post Falls listOn Hayden Irrigation District list Backflow Testing

6848 N Government Wy Ste 114 Box #610, Dalton Gardens, ID 83815 · 22 mi from Spokane Valley

Call (208) 773-2796 Details Website
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Spokane Valley

Not enough reports yet for Spokane Valley to show a range. Be one of the first: it takes a minute and stays anonymous.

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.

Had your backflow test done? Share what you paid to see local prices.

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Backflow testing questions in Spokane Valley

Where are the backflow testing businesses listed for Spokane Valley based?

35 backflow testing businesses are listed within 25 miles of Spokane Valley. 7 are based in Spokane Valley itself, 17 more within 15 miles and 11 further out, up to 23 miles away. Other towns with more than one listing: Spokane (12), Post Falls (5) and Coeur d'Alene (2). The closest is TLC The Landscape Company, under 1 mile from Spokane Valley.

Which tester lists are the businesses near Spokane Valley on?

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

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

30 of the 35 listed for Spokane Valley 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.

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