FBT

Backflow Testing Services in Odenton, Maryland

Finding a reliable backflow testing professional in Odenton, Maryland is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 29 backflow testing companies serving Odenton and surrounding communities including Severn, South Gate, Crofton.

Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Odenton area.

Most water authorities in Maryland require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.

Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Odenton directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.

Data source: Google Maps. Always verify licensing with your local water authority.

29 listed providers

Services:
North River Plumbing & Gas, LLC backflow testing
Testing Verified
4 mi

North River Plumbing & Gas, LLC

4.8(56)

Testing Verified · Gambrills, MD · 4 mi

Backflow TestingEmergency Service
Website
SLO-FLO Plumbing backflow testing
Testing Verified
4 mi

SLO-FLO Plumbing

5.0(217)

Testing Verified · Severn, MD · 4 mi

Backflow TestingPreventer InstallationCommercial

I had Slo-Flo Plumbing come out on 10/17/2024 to replace my main water line, and I couldn’t be happier with the service! They arrived on time and immediately impressed me with their professionalism…

Read more on Google
Website
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical backflow testing
5 mi

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

4.8(1,812)

Glen Burnie, MD · 5 mi

Same Day Service
Website
Montgomery Irrigation backflow testing
Testing Verified
6 mi

Montgomery Irrigation

3.8(26)

Testing Verified · Jessup, MD · 6 mi

Backflow Testing
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
7 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,328)

Jessup, MD · 7 mi

CommercialResidentialEmergency Service
Website
Prime Plumbing backflow testing
Testing Verified
7 mi

Prime Plumbing

4.8(2,336)

Testing Verified · Glen Burnie, MD · 7 mi

Backflow TestingEmergency Service

It's taken me a while to write a review with two young kids- but i wanted to make sure i shared what a wonderful experience we had using Prime Plumbing. We had a sewer line back up in our basement…

Read more on Google
Website
Chesapeake Plumbing, Inc backflow testing
Testing Verified
8 mi

Chesapeake Plumbing, Inc

4.8(283)

Testing Verified · Pasadena, MD · 8 mi

Backflow TestingPreventer InstallationCommercial

I was very pleased with the work that David from Chesapeake Plumbing, Inc. did. The one toilet had been spraying a fine mist which I felt might be the beginning of a leak and the handle on the shower…

Read more on Google
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
8 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,244)

Elkridge, MD · 8 mi

CommercialResidentialEmergency Service
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
9 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(1,078)

Linthicum Heights, MD · 9 mi

CommercialResidentialEmergency Service
Website
DMVCRYSTAL Plumbing LLC backflow testing
9 mi

DMVCRYSTAL Plumbing LLC

5.0(5)

Laurel, MD · 9 mi

CommercialResidentialEmergency Service
Website
Environmental Systems Associates backflow testing
9 mi

Environmental Systems Associates

4.9(667)

Columbia, MD · 9 mi

ResidentialEmergency Service
Website
Anne Arundel Plumbing, Inc. backflow testing
10 mi

Anne Arundel Plumbing, Inc.

4.5(71)

Pasadena, MD · 10 mi

Residential

We purchased a home after moving to the area and were not familiar with sump pumps and ground saturation, so we really didn't know where to start when our crawlspace was flooded with standing water…

Read more on Google
Website
Associates Plumbing, Inc. backflow testing
Testing Verified
10 mi

Associates Plumbing, Inc.

3.2(21)

Testing Verified · Columbia, MD · 10 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
Lloyd Plumbing Corporation backflow testing
10 mi

Lloyd Plumbing Corporation

4.0(4)

Columbia, MD · 10 mi

CommercialEmergency Service
Website
Alpha Plumbing backflow testing
10 mi

Alpha Plumbing

4.9(1,454)

Pasadena, MD · 10 mi

Backflow TestingResidentialFree Estimates

Found Alpha Plumbing off Angi while looking for a local company. A+ BBB reviews. Arrived on time with everything needed. Quickly and efficiently replaced my leaking pressure valve. Workmanship…

Read more on Google
Website
1st Choice Plumbing & Backflow Prevention, LLC backflow testing
Testing Verified
11 mi

1st Choice Plumbing & Backflow Prevention, LLC

4.9(113)

Testing Verified · Pasadena, MD · 11 mi

Backflow Testing

Moving into a new home is supposed to be exciting, but discovering a sewer backup and basement flooding was an absolute nightmare. Thankfully, Matt from 1st Choice Plumbing and Backflow Prevention…

Read more on Google
Website
Trust Plumbing & Heating, LLC backflow testing
Testing Verified
11 mi

Trust Plumbing & Heating, LLC

5.0(143)

Testing Verified · Baltimore, MD · 11 mi

Backflow Testing

Trust was wonderful to work with. My water heater busted and flooded my basement. They got to my home quickly, competently diagnosed the problem and took the time to explain my options for…

Read more on Google
Website
Mr. Rooter Plumbing of Greater Baltimore backflow testing
12 mi

Mr. Rooter Plumbing of Greater Baltimore

4.8(1,370)

Baltimore, MD · 12 mi

Backflow Testing

On late Friday evening, I had a flood in my home. The water was coming through my refrigerator and it leaked down to my basement.. I called one of the popular plumbing services. They came out only to…

Read more on Google
Website
Nationwide Plumbing & Heating backflow testing
Testing Verified
13 mi

Nationwide Plumbing & Heating

4.6(9)

Testing Verified · Halethorpe, MD · 13 mi

Backflow TestingSprinkler Backflow

Called for a quote of a replacement of my water heater, and receive GREAT customer service and a VERY reasonable total for the work to be done. I will be referring yall to my neighbors, friends, and…

Read more on Google
Website
MP
13 mi

Metcalf Plumbing Service, LLC

4.9(739)

Catonsville, MD · 13 mi

Backflow Testing

I had gotten three quotes from other plumbing companies to replace the entire drain stack in my home. None of the quotes really specified what work was to be done and the prices were magically round…

Read more on Google
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
14 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(958)

Ellicott City, MD · 14 mi

CommercialResidentialEmergency Service
Website
RP
15 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(614)

Dundalk, MD · 15 mi

Backflow TestingCommercialResidential

After an almost 12-hr work day, I arrived home to an intermittent gurgling sound coming from my bathroom. I immediately turned the shut-off valve to the off position and contacted Roto-Rooter. Brian…

Read more on Google
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
15 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(4,076)

Baltimore, MD · 15 mi

CommercialResidentialEmergency Service
Website
Maryland Plumbing, Heating & Cooling Contractors backflow testing
16 mi

Maryland Plumbing, Heating & Cooling Contractors

5.0(2)

Ellicott City, MD · 16 mi

Website
Atlantic Mechanical backflow testing
17 mi

Atlantic Mechanical

5.0(49)

Baltimore, MD · 17 mi

CommercialResidential
Website
A & A Construction And Utilities, Inc. backflow testing
18 mi

A & A Construction And Utilities, Inc.

4.8(15)

Baltimore, MD · 18 mi

CommercialResidentialFree Estimates
Website
Service Force Plumbing backflow testing
Testing Verified
18 mi

Service Force Plumbing

4.9(380)

Testing Verified · Silver Spring, MD · 18 mi

Backflow Testing
Website
Durance Plumbing backflow testing
Testing Verified
18 mi

Durance Plumbing

4.8(72)

Testing Verified · Takoma Park, MD · 18 mi

Backflow Testing
Website
DW
Testing Verified
20 mi

D W Bahr Plumbing & Heating Co

3.8(96)

Testing Verified · Baltimore, MD · 20 mi

CommercialResidentialEmergency Service

I ordered a new cast iron kitchen sink, faucet and garbage disposal from Home Depot. At my request, Home Depot contacted one of their trusted plumbing companies, D W Bahr Plumbing and Heating…

Read more on Google
Website

Frequently Asked Questions About Backflow Testing in Odenton

Look for testers with active state certification, strong Google reviews, and experience with your type of backflow preventer (PVB, DCVA, or RPZ). Ask whether they file compliance reports with your local water authority and request a written estimate before scheduling. Our directory lists testers near Odenton with real customer reviews.

RPZ (Reduced Pressure Zone) testing verifies that your reduced pressure backflow preventer is functioning correctly to protect your water supply from contamination. A certified tester uses specialized gauges to measure differential pressures across the assembly. RPZ devices are typically required for high-hazard connections.

Most jurisdictions in Maryland require backflow testers to hold a current certification from an approved training program, typically involving classroom instruction, a hands-on practical exam, and continuing education credits. Some municipalities maintain their own approved-tester lists. Always verify certification before hiring.

Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Odenton often have multiple assemblies, RPZ devices, and fire-line backflow preventers that require more time and specialized equipment. Pricing and scheduling may differ for each type.

Many certified backflow testers in Odenton will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.

For Providers

Own a Backflow Testing Business?

Claim your listing to manage your profile, track leads, and get premium placement.