4.5 
308 *The Angi rating for French Drain Service companies in Harmony, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their French Drain Service needs.
*The HomeAdvisor rating for French Drain Service companies in Harmony, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their French Drain Service needs.
Last update on September 21, 2026
Serving Harmony, PA and surrounding areas
Approved
In business since 2000
Free estimates
Warranties offered
"Very professional staff and crew. Installed 48" internal French drain with sump pump. Job completed in 1 day. Professional workmanship. Highly recommended."
+20
Serving Harmony, PA and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"They did a great job installing French drains and sump pump in our basement. Great communication! They changed work plan to cater to our needs and got it done in one day, staying until it was finished. Very reasonably priced!! Highly recommend!!"
+12
Serving Harmony, PA and surrounding areas
Approved
In business since 1969
Free estimates
Credit card accepted
Here at Everdry Waterproofing of Pittsburgh, we're excited to earn your business! Locally owned and operated, we are known in the area for our prompt service and attention to detail. Customer satisfaction is always our primary concern, so be sure to give us a call today!
Serving Harmony, PA and surrounding areas
Approved
In business since 2003
Free estimates
Customers say: Super punctual
"We had a water problem that corroded our timber wall. Rick and his crew came out put in a French drain and build a versa lock wall for us. He was very busy. It took him a week to get back to me but it was worth the wait. They were hard working, polite and punctual. I have work that needs done in the future. I will be sure to call him again!!!"
+1
Serving Harmony, PA and surrounding areas
Approved
In business since 2002
Free estimates
"Tom has done work for us multiple times and has always done an excellent job! He has replaced bathroom faucets, come out in emergency situations when we have had a leak, and come to unclog drains. He is very trustworthy and his prices are very fair. We would recommend him to anyone looking for a plumber!"
Serving Harmony, PA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
Hello I'm Dan, Hi I'm Joe, and we are the Benard Brothers. With over 15 years of experience in the plumbing industry, we are the experts you need to take care of your home or business. From complete bathroom remodeling to leaks, clearing drains and everything in between, we will treat your home or business as we would treat our own. We love working for our local communities and are here to help. Give Benard Brothers Plumbing & Contracting a call today. We look forward to working with you!
Serving Harmony, PA and surrounding areas
Approved
In business since 2010
Free estimates
Warranties offered
At G&J Waterproofing, we believe that your foundation is the most important part of your home. A cracked, wet, or sinking foundation can lead to serious problems such as uneven floors, cracked drywall, peeling paint, mold growth, and even structural safety hazards. Every foundation issue is unique there is no one-size-fits-all solution. That is why G&J Waterproofing provides customized foundation repair and waterproofing solutions tailored to your specific needs.
+55
Serving Harmony, PA and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Installed my French Drain: Very responsive, hard working crew, took extra steps to try and restore my yard to pre-project condition by hauling top soil and used my seed; answered all my questions / knowledgeable,.. and most important.. it works!"
+11
Serving Harmony, PA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"The drop down menu for specific project has only one option. I had a French drain installed due to excess water in an area in my backyard."
+39
Serving Harmony, PA and surrounding areas
Approved
In business since 2022
Credit card accepted
Offers commercial services
We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
From average costs to expert advice, get all the answers you need to get your job done.
A French drain costs around $9,250 to install, but several factors will determine the final price you pay. Learn the cost to install French drains in this guide.
Inspecting and cleaning your French drain regularly is important for its function and longevity. Learn all about French drain maintenance.
How deep is a french drain buried and how does it work? Learn how deep a french drain needs to be to work properly and other aspects to consider.
How much water can a French drain handle? Find out a French drain’s drainage capacity and the factors that impact it.
French drains help keep water away from the interior and exterior of your home. There are three different French drains to choose from, based on where water collects.
French drains can be an effective solution for pooling water and flooding. So, who installs French drains? Find out how to hire the ideal pro for the job.
