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Backflow testing in Miami, FL

142 backflow testing businesses work within 25 miles of Miami, 66 of them based in town. Every one is on the approved tester list of Miami-Dade WASD.

142 businesses within 25 miles

Backflow testing companies near Miami

F.A.S., Inc.

90/100
✓ FL Utility-Approved Tester Verified ★ 3 (4 reviews) On Miami-Dade WASD list Backflow Testing

4945 SW 74th Ct, Miami, FL 33155 · under 1 mile from Miami

Call (305) 233-1120 Details Website

Verified Oct 2026 · Unclaimed listing

Century Fire, Inc.

90/100
✓ FL Utility-Approved Tester Verified ★ 2.5 (11 reviews) On Miami-Dade WASD list Backflow Testing

8218 NW 14th St, Doral, FL 33126 · 4 mi from Miami

Call (305) 718-4486 Details Website

Verified Oct 2026 · Unclaimed listing

Pyro Protection Inc

90/100
✓ FL Utility-Approved Tester Verified ★ 5 (3 reviews) On Miami-Dade WASD list Backflow Testing

8491 NW 17th St Unit 113, Doral, FL 33126 · 4 mi from Miami

Call (305) 607-3309 Details Website

Verified Oct 2026 · Unclaimed listing

F1 Plumbing Corp

90/100
✓ FL Utility-Approved Tester Verified ★ 4.7 (83 reviews) On Miami-Dade WASD list Backflow Testing

8723 SW 129th St, Miami, FL 33176 · 6 mi from Miami

Call (305) 497-6450 Details Website

Verified Oct 2026 · Unclaimed listing

Lion Plumbing Inc

90/100
✓ FL Utility-Approved Tester Verified ★ 4.7 (41 reviews) On Miami-Dade WASD list Backflow Testing

10839 NW 29th St, Doral, FL 33172 · 6 mi from Miami

Call (305) 597-4555 Details Website

Verified Oct 2026 · Unclaimed listing

Firecode LLC

90/100
✓ FL Utility-Approved Tester Verified On Miami-Dade WASD list Backflow Testing

4995 NW 72nd Ave #303, Miami, FL 33166 · 6 mi from Miami

Call (786) 464-0840 Details Website

Verified Oct 2026 · Unclaimed listing

Miami-Dade Water and Sewer Department: backflow test rules

  • Who must test. Certain backflow prevention assemblies must be tested when installed and every year by a Certified Backflow Prevention Assembly Tester. Source.
  • How the report is filed. Test reports can be submitted online through the Tokay portal (miamidade.tokaytest.com), where each tester has a unique login, or on the downloadable Backflow Assembly Test Report form. Source.
  • Tester registration. A certified tester must complete a 40-hour backflow testing course and pass a proficiency test. Source.
  • Fees. A permit fee applies to installing an assembly; the amount is set by the building department of the city where it is installed. Testing prices are set by the companies. Source.
  • Approved testers. WASD publishes a Certified Backflow Prevention Assembly Tester list but says listed testers are not endorsed. PDF, not downloaded). Source.

Everything about Miami-Dade Water and Sewer Department's backflow program

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 Miami 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 Miami

Who can test a backflow preventer in Miami?

A tester certified as Florida's rules require, and accepted by your water utility. The companies here are on the approved list of Miami-Dade WASD: companies allowed to file backflow test reports in that system. In Miami, see Miami-Dade Water and Sewer Department's rules below.

How many backflow testing companies serve Miami?

142 companies on the approved list of Miami-Dade WASD work within 25 miles of Miami, 66 of them based in town.

How often do I need a backflow test?

Most utilities require a test when the assembly is installed and then every year. Your utility's notice gives the due date and how the tester files the report.

Approved list: Miami-Dade WASD certified backflow prevention assembly testers, Miami-Dade Water and Sewer Department.

Approved list: Sunshine Water Services certified backflow assembly testers, Sunshine Water Services.

Approved list: City of Tampa certified backflow testing companies registered in SwiftComply, City of Tampa Water Department.

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