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    Verified foundation drain installation services reviews

Top-Rated Foundation drain installation pros in Danbury - Updated Nov 2026

Avatar for WEATHER-TITE WATERPROOFING INC.
WEATHER-TITE WATERPROOFING INC.
4.8(
100
)
Foundation Drainage - Install or Replace

Serving Danbury, CT and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Free estimates

Warranties offered

"As I did the first time I used Bob Lindsay's company, I waited six months to write my review. After withstanding nearly 13" of water from Henri and Ida, I cannot recommend this company enough. We used Bob at my first house and decided to use him again when our final walkthrough of our house revealed a wet carpet in the finished basement. Bob's guys replaced the shallow existing window wells with much deeper, galvanized ones, backfilled them with stone and piped them into a perimeter channel drain that was then flashed and cemented to the basement floor height. The sump pump pit was installed and a battery backup system was provided and wired in. The outside grading around the window wells was also redone to slope any surface water away from the foundation. Due to our Radon mitigation system, a polyurethane caulk was also used to seal the system. We remained absolutely bone-dry these last few weeks despite rain falling at 2-3" per hour in some cases. The work is efficient, his guys are extremely friendly and skilled, and despite the messiness of the job, they do a fabulous job cleaning up. There is a certain peace of mind that having this type of work done provides, and you cannot put a price tag on it, especially if you plan on finishing (or refinishing) a basement. At the end of the job, Bob was even kind enough to have one of his guys tie in a 2" piece of PVC from the floor with a cap (which I then drilled a hole in) so I can run my dehumidifier constantly without ever having to empty the bucket. We have since refinished our basement to our liking and know for certain that this was the best home investment we could have possibly made. A friend of ours has also done her entire basement with Weather-Tite and had an equally wonderful experience. Thanks Bob for saving us not once, but twice."
Response time12 hrs
22 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
589
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Danbury, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Honestly, I have never had such a positive experience with a contractor. they showed up on time, were friendly, polite, courteous, clean and efficient. In a single day they installed the entire system and left the place clean (within reason). This included jack hammering more than 30 feet of concrete floor and complete water ejection. Unbelievable. They will never be the cheap solution, but they are worth it!"
Additional Photos
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Additional Photos

+12

161 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for TC' s Plumbing & Heating LLC
TC' s Plumbing & Heating LLC
4.8(
230
)
Sump Pump or Interior Foundation Drains - Install

Serving Danbury, CT and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"They called back immediately from my initial message. They came first thing in the morning and by noon my new water heater was installed and up and running. They went over and beyond what I have ever experienced with other plumbing technicians.They explained everything up front and I found them to be highly knowledgeable. I would highly recommend this company and they have acquired a new lifelong customer based on their performance dealing with my situation."
Additional Photos
Additional Photos
Additional Photos
Recommended by98%of homeowners
Avatar for Groundworks
Groundworks
4.9(
13
)
Sump Pump or Interior Foundation Drains - Install

Serving Danbury, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Foundation
Foundation
Foundation
Concrete
Concrete

+16

382 neighbors recently requested a quote
Avatar for AG Property Maintenance, LLC
AG Property Maintenance, LLC
4.6(
12
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Danbury, CT and surrounding areas

Approved

In business since 2012

Free estimates

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Brookfield ct
Brookfield ct
Brookfield ct
Brookfield ct
Brookfield ct

+4

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for The Builders & Cleaners
The Builders & Cleaners
4.9(
122
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Danbury, CT and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"A soft wall due to improperly installed gutter by some other entity or homeowner caused water to constantly leak into the wall from the exterior roofline. This soft wall grow moldy and become riddled with pests/bugs. The contractor identified the potential issues, agreed to explore and open the walls and discuss the conditions, made sound recommendations for repair and did exactly what was noted in the repair (replaced a load bearing exterior wall, fixed the sill plate, completed the roof, shingles etc. and closed up the walls on the inside with insulation and sheet rock.). The work was timely, well done, the workers were clean as they did the job and kept the rest of the property clean. The manager of the job David Apel was and is an excellent communicator with phone/email/text and photos of processes and progress. I am going to use this company in my own investment endeavors on other properties and projects given the level of finished work, the timing and especially the level of detailed communication."
Dust out from the ductwork
Dust out from the ductwork
Clean vent
Clean vent
Dust in the return

+1839

Response time1 day
Response rate92%
Recommended by85%of homeowners
Excavation Services
4.6(
34
)
Sump Pump or Interior Foundation Drains - Install

Serving Danbury, CT and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"I had a problem with my garage getting quite a bit of water in rainy weather. William and his employees came as scheduled, did a great job, cleaned up well and completed the project on time and budget. They installed a sub-pump and drainage system and everything came out great. I would recommend them and plan on using them again in the future when I am replacing my driveway."
5 Mile River
Asphalt Driveways
Pool and Landscape
5 Mile River
Septic System

+26

Response time11 hrs
7 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for AA Outdoor Services, LLC
AA Outdoor Services, LLC
3.9(
33
)
Concrete Foundation - InstallFoundation Drainage - Install or Replace

Serving Danbury, CT and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"Vincent did an absolutely beautiful job on my cement and asphalt driveway. Their craftsmanship was top-notch. They finished the job quickly, and left the work area clean when they were not there. They stayed in touch throughout the process, and they take tremendous pride in their work. I have worked with hundreds of contractors over the years and these folks are among the very best and most reliable. Cannot say enough good things, also the prices were competitive, and they delivered a better quality of work than I would expect for a similar price."
Driveway in New Haven (West Haven)
Rear entrance and parking area (West Haven)
Rear entrance and parking area (West Haven)
Step repair (West Haven)
Step repair (West Haven)

+61

Response time9 hrs
Recommended by100%of homeowners
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Foundation Drain Installation FAQs, answered by experts

There are a few possible sump pump drainage locations, including a neighborhood storm drain, into a creek or pond, or underground. Don’t let your sump pump water go into your sewer or septic system. Ideally, your drainage spot should be on a downhill slope that’s at least 10 to 20 feet away from your home’s foundation. Before choosing a location, check your local codes and regulations.

Since basements are prone to water and moisture issues and the resulting problems can be expensive to repair and potentially damaging to your home, basement waterproofing is almost always worthwhile. Even for homes that haven’t experienced water infiltration, waterproofing the basement is insurance against facing expensive repair bills in the future. All basements will leak at some point, so fixing drainage issues and taking steps to prevent moisture and water infiltration is wise.

Basement toilets don’t always need a pump. However, it is the most common setup because plumbing systems use gravity to move waste away from the home. Basement toilets often sit below the home’s main sewage system, and installing a sewage ejector pump pushes the wastewater and sewage up to the main sewer line. Alternatively, you can use an upflush or macerator toilet that breaks down the waste and pushes it straight to the main sewer line rather than via a sewer line from the bathroom.

Thankfully, you do have a few sump pump backup options in case it fails. One option is a battery-powered backup sump pump. Another option is using a portable backup generator as a power supply for your sump pump. Unlike a battery-powered backup which has limited power, a generator can run around the clock for as long as you need it. 

Or you can opt for a water-powered backup pump, which uses your home’s water supply as a source of power. However, this may not be the best option if you find your house frequently has low water pressure.

The regulations around whether drain pipe installers need to hold licenses or certifications differ based on where you live and the type of drain pipe installed. Municipalities have varying rules and regulations about who can and can’t perform plumbing work. However, we recommend hiring a certified plumber to install or modify your drain lines. Licensed plumbers will perform a high-quality, professional installation, which translates to a lower risk of clogs and leaks in the future. Use Angi’s state licensing tool to confirm the license status of your potential plumber before hiring them to install your drain pipe.

The Danbury, CT homeowners’ guide to foundation drain installation services

From average costs to expert advice, get all the answers you need to get your job done.