BackflowNear Test-Due Reminder

Approved backflow testers in Gig Harbor, WA

37 backflow testing businesses work within 25 miles of Gig Harbor, 2 of them based in town. Every one is on the approved tester list of 7 water utilities.

37 businesses within 25 miles

Backflow testing companies near Gig Harbor

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 Gig Harbor? One sponsor per county, clearly labelled. Sponsor this county

Emerald Fire LLC

90/100
✓ WA Utility-Approved Tester Verified ★ 3.1 (9 reviews) On City of Bellevue listOn Washington Water listOn City of Lacey listOn City of Olympia list Backflow Testing

11020 WA-302, Gig Harbor, WA 98329 · 4 mi from Gig Harbor

Call (253) 857-2056 Details Website
Verified Oct 2026 · Unclaimed listing

Ace Backflow Only

80/100
✓ WA Utility-Approved Tester Verified ★ 4.7 (10 reviews) On Washington Water list Backflow Testing

4009 N 25th St, Tacoma, WA 98406 · 9 mi from Gig Harbor

Call (253) 756-6626 Details
Verified Oct 2026 · Unclaimed listing

Smith Fire Systems

90/100
✓ WA Utility-Approved Tester Verified ★ 3 (25 reviews) On Washington Water list Backflow Testing

1106 54th Ave E, Fife, WA 98424 · 15 mi from Gig Harbor

Call (253) 926-1880 Details Website
Verified Oct 2026 · Unclaimed listing

Enviromech

90/100
✓ WA Utility-Approved Tester Verified ★ 5 (14 reviews) On City of Bellevue list Backflow Testing

430 SW 153rd St, Burien, WA 98166 · 16 mi from Gig Harbor

Call (206) 762-1960 Details Website
Verified Oct 2026 · Unclaimed listing

Auburn Mechanical

90/100
✓ WA Utility-Approved Tester Verified ★ 3.6 (29 reviews) On City of Bellevue list Backflow Testing

2621 W Valley Hwy N, Auburn, WA 98001 · 18 mi from Gig Harbor

Call (253) 838-9780 Details Website
Verified Oct 2026 · Unclaimed listing

Advanced Irrigation

90/100
✓ WA Utility-Approved Tester Verified ★ 3.9 (18 reviews) On City of Bellevue listOn Washington Water list Backflow Testing

213 Frontage Rd S, Pacific, WA 98047 · 18 mi from Gig Harbor

Call (888) 833-6220 Details Website
Verified Oct 2026 · Unclaimed listing

Fire Systems West

90/100
✓ WA Utility-Approved Tester Verified ★ 2.9 (7 reviews) On City of Bellevue listOn City of Olympia list Backflow Testing

206 Frontage Rd N # C, Pacific, WA 98047 · 18 mi from Gig Harbor

Call (253) 833-1248 Details Website
Verified Oct 2026 · Unclaimed listing

Ground Effects Landscaping

90/100
✓ WA Utility-Approved Tester Verified ★ 3.4 (24 reviews) On City of Bellevue listOn Washington Water list Backflow Testing

302 Western St, Auburn, WA 98001 · 18 mi from Gig Harbor

Call (253) 333-9477 Details Website
Verified Oct 2026 · Unclaimed listing

Columbia Fire

90/100
✓ WA Utility-Approved Tester Verified ★ 4.9 (27 reviews) On City of Bellevue listOn City of Sumner list Backflow Testing

9520 10th Ave S #150, Seattle, WA 98108 · 19 mi from Gig Harbor

Call (206) 232-8569 Details Website
Verified Oct 2026 · Unclaimed listing

SJS Mechanical

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

309 S Cloverdale St, Seattle, WA 98108 · 19 mi from Gig Harbor

Call (206) 763-0334 Details Website
Verified Oct 2026 · Unclaimed listing

Archer Construction

90/100
✓ WA Utility-Approved Tester Verified ★ 4.1 (14 reviews) On City of Bellevue listOn City of Olympia list Backflow Testing

7855 S 206th St, Kent, WA 98032 · 19 mi from Gig Harbor

Call (253) 872-7222 Details Website
Verified Oct 2026 · Unclaimed listing

Froula Alarm Systems

90/100
✓ WA Utility-Approved Tester Verified ★ 4.2 (22 reviews) On City of Bellevue list Backflow Testing

861 Industry Dr, Tukwila, WA 98188 · 19 mi from Gig Harbor

Call (206) 575-1962 Details Website
Verified Oct 2026 · Unclaimed listing

Olympic Landscape & Irrigation

90/100
✓ WA Utility-Approved Tester Verified ★ 3.7 (39 reviews) On Washington Water listOn City of Lacey listOn City of Olympia listOn City of DuPont list Backflow Testing

12708 58 Ave E, Puyallup, WA 98373 · 19 mi from Gig Harbor

Call (253) 922-7075 Details Website
Verified Oct 2026 · Unclaimed listing

All Phase Plumbing

90/100
✓ WA Utility-Approved Tester Verified ★ 4.8 (52 reviews) On City of Bellevue list Backflow Testing

14101 Interurban Ave S Unit 78-A, Tukwila, WA 98168 · 19 mi from Gig Harbor

Call (206) 772-6077 Details Website
Verified Oct 2026 · Unclaimed listing

DM Plumbing & Backflow Testing, LLC

80/100
✓ WA Utility-Approved Tester Verified ★ 5 (6 reviews) On City of Bellevue listOn Washington Water listOn City of Lacey listOn City of Olympia listOn City of DuPont listOn City of Sumner list Backflow Testing

Tacoma, WA 98411, Tacoma, WA 98411 · 12 mi from Gig Harbor

Call (253) 227-8858 Details
Verified Oct 2026 · Unclaimed listing

Iliad, Inc.

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

1107 S Bailey St, Seattle, WA 98108 · 20 mi from Gig Harbor

Call (206) 282-4200 Details Website
Verified Oct 2026 · Unclaimed listing

McKinstry

90/100
✓ WA Utility-Approved Tester Verified ★ 3.8 (67 reviews) On City of Bellevue list Backflow Testing

5005 3rd Ave S, Seattle, WA 98134 · 20 mi from Gig Harbor

Call (206) 762-3311 Details Website
Verified Oct 2026 · Unclaimed listing

Uyeta Landscape

90/100
✓ WA Utility-Approved Tester Verified ★ 4.4 (79 reviews) On City of Bellevue list Backflow Testing

19605 106th Ave SE, Renton, WA 98055 · 21 mi from Gig Harbor

Call (253) 859-8589 Details Website
Verified Oct 2026 · Unclaimed listing

A-L-S American Landscape Services LLC

90/100
✓ WA Utility-Approved Tester Verified ★ 4.3 (17 reviews) On Washington Water listOn City of Lacey listOn City of Olympia listOn City of DuPont list Backflow Testing

8836 Steilacoom Rd SE, Olympia, WA 98513 · 21 mi from Gig Harbor

Call (360) 923-2224 Details Website
Verified Oct 2026 · Unclaimed listing

Guardian Security

90/100
✓ WA Utility-Approved Tester Verified ★ 4.3 (274 reviews) On City of Bellevue listOn City of Snoqualmie list Backflow Testing

1743 1st Ave S, Seattle, WA 98134 · 21 mi from Gig Harbor

Call (206) 622-6545 Details Website
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Gig Harbor

Not enough reports yet for Gig Harbor 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.

Metro guide: Backflow testing in Seattle: every utility's rules, filing portals and published prices in one place.

Never miss your annual backflow test

Most water utilities require the backflow assembly on an irrigation, fire or commercial line to be tested every year, and a missed test can mean a shutoff notice. Tell us when yours was last tested in Gig Harbor and we'll text you a month before it is due, with certified local testers ready to book.

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Backflow testing questions in Gig Harbor

Where are the backflow testing businesses listed for Gig Harbor based?

37 backflow testing businesses are listed within 25 miles of Gig Harbor. 2 are based in Gig Harbor itself, 5 more within 15 miles and 30 further out, up to 25 miles away. Other towns with more than one listing: Seattle (8), Auburn (3) and Kent (3). The closest is Emerald Fire LLC, 4 miles from Gig Harbor.

Which tester lists are the businesses near Gig Harbor on?

Every one is on the approved tester list of 7 water utilities.

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

31 of the 37 listed for Gig Harbor have 3 or more Google reviews. AAA Fire Protection has the most reviews, 637, 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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