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Backflow Testing Services in Pikesville, Maryland

Finding a reliable backflow testing professional in Pikesville, Maryland is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 29 backflow testing companies serving Pikesville and surrounding communities including Lochearn, Milford Mill, Woodlawn.

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 Pikesville 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 Pikesville 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:
A & A Construction And Utilities, Inc. backflow testing
3 mi

A & A Construction And Utilities, Inc.

4.8(15)

Baltimore, MD · 3 mi

CommercialResidentialFree Estimates
Website
Atlantic Mechanical backflow testing
3 mi

Atlantic Mechanical

5.0(49)

Baltimore, MD · 3 mi

CommercialResidential
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
6 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(757)

Towson, MD · 6 mi

CommercialResidentialEmergency Service
Website
MP
7 mi

Metcalf Plumbing Service, LLC

4.9(739)

Catonsville, MD · 7 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
8 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(4,076)

Baltimore, MD · 8 mi

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

Roto-Rooter Plumbing & Water Cleanup

4.8(958)

Ellicott City, MD · 8 mi

CommercialResidentialEmergency Service
Website
Nationwide Plumbing & Heating backflow testing
Testing Verified
8 mi

Nationwide Plumbing & Heating

4.6(9)

Testing Verified · Halethorpe, MD · 8 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…

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Website
Mr. Rooter Plumbing of Greater Baltimore backflow testing
9 mi

Mr. Rooter Plumbing of Greater Baltimore

4.8(1,370)

Baltimore, MD · 9 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
Maryland Plumbing, Heating & Cooling Contractors backflow testing
10 mi

Maryland Plumbing, Heating & Cooling Contractors

5.0(2)

Ellicott City, MD · 10 mi

Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
11 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(1,078)

Linthicum Heights, MD · 11 mi

CommercialResidentialEmergency Service
Website
DW
Testing Verified
12 mi

D W Bahr Plumbing & Heating Co

3.8(96)

Testing Verified · Baltimore, MD · 12 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…

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Website
Pipeline Training Institute backflow testing
Testing Verified
12 mi

Pipeline Training Institute

5.0(13)

Testing Verified · Sykesville, MD · 12 mi

Backflow TestingAnnual Certification

Class was professional presented, the professor knowledge of cross contamination as it relates to the different types of contamination hazards, which DCV, BP, and VB devices that should be used on…

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Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
13 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,244)

Elkridge, MD · 13 mi

CommercialResidentialEmergency Service
Website
RP
13 mi

Roto-Rooter Plumbing & Water Cleanup

4.9(614)

Dundalk, MD · 13 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…

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Website
Albright's Mechanical Services backflow testing
Testing Verified
14 mi

Albright's Mechanical Services

4.8(543)

Testing Verified · Essex, MD · 14 mi

Backflow TestingCommercialResidential
Website
Trust Plumbing & Heating, LLC backflow testing
Testing Verified
15 mi

Trust Plumbing & Heating, LLC

5.0(143)

Testing Verified · Baltimore, MD · 15 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
Associates Plumbing, Inc. backflow testing
Testing Verified
15 mi

Associates Plumbing, Inc.

3.2(21)

Testing Verified · Columbia, MD · 15 mi

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

Lloyd Plumbing Corporation

4.0(4)

Columbia, MD · 15 mi

CommercialEmergency Service
Website
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical backflow testing
15 mi

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

4.8(1,812)

Glen Burnie, MD · 15 mi

Same Day Service
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
15 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(1,328)

Jessup, MD · 15 mi

CommercialResidentialEmergency Service
Website
Environmental Systems Associates backflow testing
15 mi

Environmental Systems Associates

4.9(667)

Columbia, MD · 15 mi

ResidentialEmergency Service
Website
Montgomery Irrigation backflow testing
Testing Verified
16 mi

Montgomery Irrigation

3.8(26)

Testing Verified · Jessup, MD · 16 mi

Backflow Testing
Website
Prime Plumbing backflow testing
Testing Verified
16 mi

Prime Plumbing

4.8(2,336)

Testing Verified · Glen Burnie, MD · 16 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
SLO-FLO Plumbing backflow testing
Testing Verified
17 mi

SLO-FLO Plumbing

5.0(217)

Testing Verified · Severn, MD · 17 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
DMVCRYSTAL Plumbing LLC backflow testing
19 mi

DMVCRYSTAL Plumbing LLC

5.0(5)

Laurel, MD · 19 mi

CommercialResidentialEmergency Service
Website
Anne Arundel Plumbing, Inc. backflow testing
20 mi

Anne Arundel Plumbing, Inc.

4.5(71)

Pasadena, MD · 20 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…

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Website
Alpha Plumbing backflow testing
20 mi

Alpha Plumbing

4.9(1,454)

Pasadena, MD · 20 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
Chesapeake Plumbing, Inc backflow testing
Testing Verified
20 mi

Chesapeake Plumbing, Inc

4.8(283)

Testing Verified · Pasadena, MD · 20 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…

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Website
Five Star Plumbing Services backflow testing
Testing Verified
20 mi

Five Star Plumbing Services

4.9(235)

Testing Verified · Joppatowne, MD · 20 mi

Backflow TestingEmergency Service

I don’t write post often but feel compelled to share my experience with Five Star Plumbing. I had a water line leak originating from the outside and leaking into my basement. Unfortunately, my home…

Read more on Google
Website

Frequently Asked Questions About Backflow Testing in Pikesville

Backflow testing in Pikesville, Maryland typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Pikesville area.

If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Pikesville can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.

Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Maryland require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in Maryland require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Pikesville can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.

Some certified testers near Pikesville offer same-day or emergency scheduling for urgent situations such as a failed device, a compliance deadline, or a new construction inspection. Check individual provider listings above for availability, or request a quote to find a tester who can accommodate your schedule.

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