
Serving Conowingo, MD and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"I think it went well , although the drain hasn't really been tested by a heavy rain yet."


*The Angi rating for Foundation Drain Installation companies in Conowingo, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Drain Installation needs.
*The HomeAdvisor rating for Foundation Drain Installation companies in Conowingo, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Drain Installation needs.
Last update on September 16, 2025

Serving Conowingo, MD and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"I think it went well , although the drain hasn't really been tested by a heavy rain yet."


Serving Conowingo, MD and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"Everything went perfectly and was done in a timely manner. I have no water in my basement and the drain is working well. I greatly appreciated that there was mess left to clean up when they were done."





+129

Serving Conowingo, MD and surrounding areas
Approved
In business since 1999
Free estimates
Warranties offered
"Hired them for 3 projects I have installed this basement waterproofing solution in 2 homes. System speaks for itself. Nothing better on the market. Work was first rate. Expectations were presented prior to the project. Details on what would happen and how the project would go. Would not hesitate to use again ERV installed New basement egress. This project did not go as planned, but not at the fault of basement systems. Was originally supposed to get a BILCO door but due to unforseen issues, that was not able to happen. They ended up installing a new staircase from my basement to ground level. Work was first rate and ended up better than a bilco door. Company re landscaped and everything is as it was. All work performed was top notch and no issues on anything they have done"





+142

Serving Conowingo, MD and surrounding areas
Approved
In business since 1999
Free estimates
Warranties offered
"Excellent all around experience!!!!!!!! After a series of storms and gradual water soaking our basement carpet several times, I finally called Waterproofing One in April, 2017 after seeing their ad several times on our St. Basil's church bulletin. I spoke initially with the owner-Joe who was helpful and he dispatched Dave Cook who came over within an hour. Dave Cook has been in this business and related utility engineering previously for over 30 years and really knows his stuff. Dave was extremely thorough, spending time in the basement, looking at some pictures I took of the damage and spent a considerable amount of time walking around the exterior of my property and reviewing the landscaping where most problems start. Dave wrote up a report of what work was needed including extending downspouts, recommending we have our contractor add a louvered door at the top of the steps for aeration (a great idea given no windows in basement) , waterproofing the well water closet walls, spraying impacted area for potential mold, and installing a new French drain and sump-pump system with battery backup. Gene and his crew then came over on May 17, 2018 and performed the construction and installation work and did a great job. Those guys worked extremely hard in what is inherently a muddy line of work and were very courteous, professional and left the basement very clean. Gene took extra time to show us exactly what they were doing as they drilled holes into the lower cinder block walls, laying of the perforated pipe and some of the damp mold on the wooded studs he extracted at the impacted area. We paid exactly what Dave originally quoted! Dave Cook came back checked on things and made some other recommendations including adding stones around the foundation outside and in holes to avoid soil erosion and soften the acceleration of rain water into the ground. Once the work was finished and our carpenter redid the walls and painting, We had subsequently refinished the basement with high end vapor/mold resistant padding from Mohawk and a quality polyester carpet. 15 months later and here we are on September 30, 2019 after 50+ rain storms since installation and NO WATER nor Mold issues in the basement!!! We are really enjoying our basement again thanks to WATERPROOFING ONE!!!! 5-STARS!!!!!!!!"





+7

Serving Conowingo, MD and surrounding areas
Approved (Corporate)
In business since 1993
Free estimates
Emergency services offered
"The foreman, Roberto and his crew, Alun and Jose did an excellent job installing push piers to stabilize our foundation. They did a super job of resolving an unexpected problem that was encountered with a footer under a slab portion of the foundation. These men are a valuable asset to your company."





+12

Serving Conowingo, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Free estimates
Warranties offered
"I'm not fully moved into the home yet, but I will update when I am there permanently. The crew was very professional, worked diligently, cleaned up after every day of work (three day job--french drain expansion, two additional sump pumps installed, window drains into the sump pumps, pretty extensive job)."





+339

Serving Conowingo, MD and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Because of the great service from Best Buy I feel compelled to update my review below. My situation was complicated. A spring runs continuously under our slab, there was water in several places within our finished basement, and there was a leak under a supporting I beam. Best Buy, unlike other companies, warrants the entire floor, not merely the area around their work. This warranty is invaluable as my experience demonstrated. Andrew, the owner, and his crew came out at least 5 times, sometimes on short notice, once on Sunday, to figure out how to solve all of the complicated issues. They had to build a perimeter drain, a lateral drain, and a speed drain and they had to epoxy around the supporting beam. On one occasion I called because there was a damp spot in one place, but Andrew pointed out several others that I'd missed. Of course, it wasn't in his interest to do so as it required more work. I highly recommend Best Buy!"

Serving Conowingo, MD and surrounding areas
Approved
In business since 2017
Emergency services offered
Warranties offered
"tech mike stiles on time,booties and super freindly. had drain repair done quickly and cleaned area better than when he arrived. took time to explain what happens to 60 yr old galvanised pipes. our pipe was closed down to less than 30% of function. mike augerd it uot as much as he could and sink draining ok. he left us with a complete estimate and scope of work to replace pipe for us to think about. absolutly no pressure to do more at this time. thank you mr rooter and mike stiles. will use again and already recomended to neighbor"





+1

Serving Conowingo, MD and surrounding areas
Approved
In business since 1958
Free estimates
Small jobs welcome
"They were able to advise that I did not have a basement water problem and instead diagnosed condensation for which they suggested a simple solution. They did not charge"





+31

Serving Conowingo, MD and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
Expert Concrete Installation & Repair. Stamp Concrete Experts! We have the experience and dedication to create the beautiful vision you have for your space. Call or click to schedule a free estimate today!





+59
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