Serving Connecticut, Westchester and Putnam Counties

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A Free Estimate!
Reviews From Terryville
Products & Services
Basement Waterproofing Services & Products
WaterGuard Interior System
DryTrak Drainage Channel
TrenchDrain Drain Grate
IceGuard Discharge Line
FlexiSpan Wall Crack Repair
Polyurethane Crack Sealing
WellDuct Window Drainage
BrightWall Waterproof Panels
ThermalDry Wall Barrier
Basement To Beautiful Pre-finishing Wall Insulation Panels
Drain Tile Installation
SuperSump Pump System
TripleSafe Pumping System
UltraSump Battery Back Up
Sanidry Basement Dehumidifier
French Drain Alternatives


Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers And Liners
Turtl Access Hatch
EverLast Crawl Space Doors
Sanidry Csb Crawl Space Dehumidifier
SmartDrain Water Drainage
SilverGlo Wall Insulation
TerraBlock Floor Insulation
SmartSump Sump Pump
Crawl-o-Sphere Crawl Space Fan
WallCap Block Wall Sealer
SmartVent Flood Vents


Foundation Repair Services & Products
Push Pier Underpinning For Settlement, Foundation Leveling, Sinking Foundation Repair
Geo-lock Wall Anchors
Geo-lock Helical Anchors
PowerBrace Bowed Wall Repair
CarbonArmor Fiber Wall Repair
SmartJack Crawl Space Support
Slab Pier Repair
Foundation Underpinning
EZ Post Deck Repair
Shotcrete Wall Restoration


Basement Finishing & Remodeling
Everlast Wall Panels
Insulated Wall Panels
Premier And Linen Ceiling Tiles: No-sag Warranty
Thermal Dry Floor Tiles
ThermalDry® Elite Plank Flooring
Sunhouse Window Wells
Everlast Window Replacement
Rockwell Basement Egress Windows


Company Awards
2017 Angie's List Super Service Award
Connecticut Basement Systems has been awarded the 2017 Angie's List Super Service Award®! The Angie’s List Super Service Award honors... [Read more]
Larry Janesky award the Valley of Chamber of Commerce's Silver Medal Award
Larry Janesky was awarded the Valley Chamber of Commerce's Silver Medal Award for the Big Build at Ansonia Nature Center!... [Read more]
Best Places to Work
For the 3rd time, Basement Systems has won the Best Places to Work award for being one of the best... [Read more]
More Awards

Terryville, CT's Go To Basement Waterproofing Experts

Happy Customers Surrounding Terryville, CT
Work Requests

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Terryville, CT's expert in basement waterproofing, foundation repair, & more

Connecticut Basement Systems has been your trusted home improvement company providing reliable basement waterproofing, foundation repair, crawl space encapsulation, basement finishing, and more to over 85,000 Connecticut homeowners since 1987. As a three-time winner of the CT Better Business Bureau's Torch Award for Marketplace Ethics, we are committed to creating an honest and reliable experience with our customers.

Whether you need a moisture-proof basement waterproofing system complete with a sump pump or permanent foundation settlement repairs, we provide these solutions and much more!

Our services in Terryville:

  • Basement waterproofing
  • Foundation repair
  • Crawl space repair
  • Basement finishing
  • Air purifiers
  • And more!

Schedule a free estimate to learn more. Connecticut Basement Systems proudly serves Terryville and areas nearby!

Trusted basement waterproofing company serving Terryville

A wet basement can affect your home more than you think. If left to worsen, water in the basement can cause structural issues, mold growth, pest problems, and more. That is why Connecticut Basement Systems provides patented basement waterproofing solutions, designed to keep your below-grade space dry and healthy for years to come! So, if you're tired of dealing with basement flooding, high humidity, water in basement, or other waterproofing issues, contact our experts today!

Our basement waterproofing services in Terryville:

  • Sump pump installation & maintenance
  • Basement drainage systems
  • Basement Dehumidifiers
  • Basement windows
  • Egress windows & window wells
  • And more!

Since 1987, we have provided warrantied basement waterproofing solutions to Terryville homeowners - this includes sump pumps, basement dehumidifiers, french drains, and more. Schedule a free basement waterproofing estimate to learn more!

Transform your home with basement finishing in Terryville

Want to transform your dreary basement into the space of your dreams? From a lavish apartment to a new play area for the kids, Connecticut Basement Systems can help you with these remodeling projects and more - the only limit is your imagination! Unlike other basement finishing contractors, we actually use remodeling products designed to withstand common environmental conditions in the below-grade space, including moisture and mold. Plus, the basement finishing system is warrantied, has insulating qualities, dampens noise, and is eco-friendly.

Our basement finishing system in Terryville:

  • Finished basement flooring
  • Waterproof wall products
  • Ceiling tiles
  • Basement dehumidifiers
  • Replacement windows
  • Egress windows & window wells
  • And more!

Schedule a free basement finishing estimate to learn more. We proudly serve Terryville and areas nearby.

Permanent foundation repair solutions in Terryville

No matter how minor your home's foundation problem seems, it is always better to schedule a foundation inspection and get repairs sooner than later. That is because issues like foundation settlement, leaning chimneys, bowing walls, and more can affect your house's value and curb appeal. Even worse, they can create unsafe living conditions for you and your family.

But there is no reason to worry - Connecticut Basement Systems is backed by Supportworks, a nationally renowned network of expert foundation repair contractors. This partnership also gives us exclusive access to professional training, warrantied solutions, and best practices proven by hundreds of dealers across the globe.

Our foundation repair services in Terryville:

  • Slab piers
  • Push piers
  • Helical piers
  • Foundation wall repairs
  • Crawl space support jacks
  • Wall anchors
  • Wall reinforcing systems
  • And more!

Schedule a free foundation repair estimate to learn more. We proudly serve Terryville and areas nearby.

Reliable crawl repair & encapsulation services in Terryville

A nasty crawl space can cause a lot of issues for the home. If left unrepaired and unsealed, the crawl space can start to rot and grow mold, leading to structural issues, unhealthy indoor air, and discomfort throughout the house. That is why Connecticut Basement Systems provides moisture-proof crawl space encapsulations and durable structural repairs.

When we seal the crawl space using a moisture-proof vapor barrier, add a high-performance crawl space dehumidifier, install crawl space jacks for failing support posts, and provide other crawl space repair solutions, we can create a dry, secure below-grade space for years to come!

Our crawl space encapsulation & repair services in Terryville:

  • Crawl space vapor barrier
  • Crawl space drainage system
  • Crawl space dehumidifier
  • Crawl space insulation
  • Crawl space support jacks
  • And more!

Schedule a free crawl space repair and encapsulation estimate to learn more. We proudly serve Terryville and areas nearby.

Quality basement waterproofing, crawl space repairs, & more since 1987

Connecticut Basement Systems is the largest basement waterproofing, foundation repair, crawl space encapsulation, and basement finishing company in Terryville - and for good reason. We are committed to improving the lives of our employees, customers, and the world through education and development. For over 30 years, we have built a solid reputation backed by honesty and expertise. So you can have absolute confidence in our services!

Contact us to schedule a free estimate today. We proudly serve Terryville and nearby areas.

News & Events from Terryville
Waterproofing Your Old Basement!
Is your basement an older one that looks more grey than glistening? We're here to offer you tips on how to keep your space in tip top shape!... [Read more]
Is Your Home Santa Ready?
Christmas is steadily approaching, which means Saint Nick is getting ready to pay a visit to your house. Follow our tips to make sure the big guy feels comfy when he arrives!... [Read more]
Wild weather causes tornadoes and chaos in CT
High winds, rain, hail and tornadoes made for a day of wild weather in Connecticut on July 22nd. Bristol, East Litchfield, Terryville and Thomaston all confirmed tornado touchdowns with winds of 100 miles per hour. ... [Read more]
Work Requests From Terryville, CT
Project Location: Terryville, CT
Looking to finish a quarter finished basement
Project Location: Terryville, CT
Moisture/Mold concern in basement. Half of the basement used to be finished, have had water leaks over the past year or 2, I tore up most of the flooring and would like to have an estimate on removing all mold and old material, clean/waterproof the entire basement after.
Project Location: Terryville, CT
Our basement has a wall crack gushing water every storm.
Project Location: Terryville, CT
Project Location: Terryville, CT
I'm looking to waterproof the basement, pros and cons of outer vs inner waterproofing and possible foundation repairs.
Project Location: Terryville, CT
We have a fairly new home (2014) with a full walk-out unfinished basement. The space is already plumbed for a bathroom. We would like to add a bathroom and finish the rest of the area. It would also be a space for our dogs, so durability and waterproofing is important. The whole space is roughly 700 sqft
Project Location: Terryville, CT
I have a small walkout l basement (680sqft) with stone and mortar foundation/walls. I would like someone to put concrete on the walls to make them more waterproof so that I can finish it in the future.
Project Location: Terryville, CT
The lower level of my house, which is built into a hillside and partially underground, takes on water during the spring rains. Have a sump pump alreafy but obviously need something else to stop this from happening. Thanks!
Project Location: Terryville, CT
Humidity issue in the basement, sitting water, possibly sump pump
Project Location: Terryville, CT
Water coming into the basement.
Project Location: Terryville, CT
Crack in the foundation
Project Location: Terryville, CT
Two cracks in foundation. We are looking to buy this house and want to get an estimate before putting in an offer.
Project Location: Terryville, CT
Parents basement is awful both have respitory issues and it needs to be cleaned and waterproof etc.
Project Location: Terryville, CT
I have a partially finished room in my basement that I would like to complete and turn into an inlaw apartment, with kitchenette and bathroom (toilet and standing shower)
Project Location: Terryville, CT
We noticed wet foundation and wall in basement, near washer and dryer. Recently noticed water pooling on the deck after it rains so not sure if leaking down into basement
Project Location: Terryville, CT
We have a raised ranch with a finished in law basement . In the last 4 years the water issue has gotten worse. When it rains the water comes into the garage ( there are 2 drains in the floor) but it goes through the wall and foundation and under the kitchen door and floods my kitchen. We would like to get some ideas and quotes on what needs to be done to fix this issue please . You can contact me at the number above .. Thank you Allison
Project Location: Terryville, CT
Basement room finishing for possible office
Project Location: Terryville, CT
Water leaking into basement from the ground in only one area . It is next to the water heater, but the tank is not leaking.
Project Location: Terryville, CT
Water coming into basement
Project Location: Terryville, CT
I'm looking for a quote on finishing my basement.