Top Backflow Preventer Installation Services in Washington, DC

Felt very expensive. Gave me warrenty certificate but looks like it is not complete information.

I really appreciate the pro coming out during the window I was given. He was able to diagnose the trouble quickly. He was able to unclog the sink. Great value in such short notice. He was very professional and I would highly recommend this service to a...

Our technician was extremely knowledgeable and was able to resolve our plumbing issues. He was courteous and explained the details of the work needed to fix our gas lines under our house. I will recommend your service to others.

Technician was very organized.Job was very tedious, replaced the toilet and pipes, and he got the job done. I was very pleased. Price was less than other quotes.

Very Friendly and knowledgeable was also good with my active dog

Expert service! Extremely satisfied with the repairs that were done in my home. Alex was very professional, insightful, and he was patient and kind. He went above and beyond to make sure I was completely satisfied simply said, his work ethic was outstandi...

Amazing service for a fair price!

I called on Cardinal Plumbing to finish the installation of a basement sewage pump. I had already purchased the pump and everything needed. I had removed the old pump and put the new one in place, with the PVC already attached. I expected one technici...

Excellent service, reliable. Have known the owner for many years, and Clover has been our go-to contractor for plumbing and hvac for more than 10 years.

I've worked with Clover for over 10 years now, both for my condo and then with my home. I've had a maintenance contract with them and the 2 visits each year are great for reviewing any issues and catching problems while they are small. I've replaced wa...

Clover helped us twice, fixing pipes that burst in walls in our townhome due to freezing temperatures. They are prompt, professional, and clean. Great service. We will use them again if the need arises.

Employee sent to start the project was here for most of the day, but didn't get much of anything done. Owner was nice initially, but then there was a problem and he had a bit of a meltdown/tantrum, inviting me to sue him. Horrible way to treat a custome...