Serving Connecticut, Westchester and Putnam Counties

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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


Before and After Pictures from Killingworth
ThermalDry and BrightWall Installation in Killingworth, CT

ThermalDry and BrightWall Installation in Killingworth, CT

Before After
ThermalDry and BrightWall Installation in Killingworth, CT ThermalDry and BrightWall Installation in Killingworth, CT

This Killingworth family was tired of looking at their dark, uncomfortable basement, and not having somewhere to retreat to during these cold winter months! They gave us a call at Connecticut Basement Systems, and we were happy to come out and help! 

Our System Design Specialist, Taz Petersen, came out to the family's home, and sat down with them to quickly diagnose a problem, and offer a fool proof solution. He sent out our expert foreman, Kryz Wilk, and his team, and they quickly got the job done! The first thing they installed was our BrightWall Panels. These waterproof and stain resistant panels are easy to clean, durable, and an effective moisture and vapor barrier. The system includes semi-rigid, white plastic panels, trim strips used to join panels together and plastic fasteners that are used to attach panels to the foundation wall. Afterward, they installed our ThermalDry Flooring in Sandstone Gray Tile. This 10-year warrantied, square shaped, snap together tiles have a built in drainage and thermal barrier, and are super to easy clean! They give basements a new, attractive look, while also offering a warmer alternative to your cold, concrete floors! 

This family is now comfortable with using their basement for the holidays! Give us a call today for FREE and we'll help you transform your basement!

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

Trusted Basement Waterproofing & Structural Repair Experts in Killingworth, CT

Your organization should be proud to have such a knowledgeable, well-spoken and extremely personable employee....
Happy Customers Surrounding Killingworth, CT
Work Requests

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Reviews From Killingworth
Testimonials From Killingworth
They incorporated our gutter so that it the water flows out into the exit drain for the sump pump... great...
Testimonial by Jen A. from Killingworth, CT
Very happy with the work you did in my basement.
Testimonial by Dennis C. from Killingworth, CT
All the information and the book you provided before the appointment was great - very informative.
Testimonial by Maura P. from Killingworth, CT

Killingworth, 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 Killingworth:

  • 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 Killingworth and areas nearby!

Trusted basement waterproofing company serving Killingworth

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 Killingworth:

  • 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 Killingworth 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 Killingworth

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 Killingworth:

  • 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 Killingworth and areas nearby.

Permanent foundation repair solutions in Killingworth

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 Killingworth:

  • 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 Killingworth and areas nearby.

Reliable crawl repair & encapsulation services in Killingworth

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 Killingworth:

  • 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 Killingworth 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 Killingworth - 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 Killingworth and nearby areas.

Job Stories From Killingworth, CT
SmartDrain Installation in Killingworth, CT

Garrett P. in Killingworth, CT was noticing leaks were creeping into his crawl space. Needing an immediate and quick solution, he gave Connecticut Basement Systems a call, and we were happy to go right to work! 

Our System Design Specialist quickly deduced that the SmartDrain Crawl Space system was the best solution to Garrett's problem. The SmartDrain is a system that is installed to alert customers of any excess water entering the crawl space. It is usually installed with the CleanSpace crawl space liner and will alert you if there’s a leak, draining the water until you can fix it. Best of all? Its lid is airtight, which allows water to drain, but doesn't allow moisture to enter the crawl space. 

Garrett was left knowing he has a protected crawl space and we left knowing we installed a product that would help our customer for years to come.

Give us a call TODAY for your FREE waterproofing estimate! 


Work Requests From Killingworth, CT
Project Location: Killingworth, CT
We live at base of hill with rock and have seepage up from corners on almost all walls.
Project Location: Killingworth, CT
Hi, we would like to stop the water leaking by our basement hatchway. This doesn't happen all the time, just during heavy and prolonged rains.
Project Location: Killingworth, CT
Hello, we have a large, unfinished basement we'd hope to finish with spaces that can accommodate one queen bed, one toilet, and one living space. We are in the very early stages of gathering proposals and pricing.
Project Location: Killingworth, CT
Looking to finish a partially finished walkout basement by adding a room and a bathroom, and possible kitchenette.
Project Location: Killingworth, CT
We have a large unfinished basement that spans the same sq footage as our first floor. We'd like to add a bedroom that can fit a queen bed, a bathroom and a living room We have solar panels on our house. The inverter and battery are down in the basement and will need to be walled off but still accessible.
Project Location: Killingworth, CT
Water in basement during heavy rain storms.
Project Location: Killingworth, CT
Basement gets humid especially in the summer. In the future we would like to finish the basement so this would be our first step.
Project Location: Killingworth, CT
Water in our basement
Project Location: Killingworth, CT
Project Location: Killingworth, CT
Basement flooded twice in last month first with massive rain next a week or so later, never happened before. No matter how wet the yard is/was. Need analysis on what has changed to cause these issues. House is an antique cape previous owner had drainage system put in basement.
Project Location: Killingworth, CT
Looking to finish a walk-out basement. The basement has not had trouble with water but, want to make sure that moisture will not build up in the walls. Looking to possibly use radiant heat for the area being finished.
Project Location: Killingworth, CT
Crawl space takes on water at times. always damp. probably need drains ,sump pump?
Project Location: Killingworth, CT
Lifting / repairing section of concrete slab in garage
Project Location: Killingworth, CT
We have some water in the basement coming from a crack in the floor and a bit around the edges.
Project Location: Killingworth, CT
Crack in basement wall from ceiling to floor---water pouring in
Project Location: Killingworth, CT
My basement first flooded in the beginning of this past December.eversince it has flooded another three times and water just seeps in
Project Location: Killingworth, CT
Issues with cracks and openings in the foundation, we have had an issue with snakes getting into the house and crawl space, likely via the foundation.
Project Location: Killingworth, CT
Moisture in unfinished basement. Would like to finish at least part of it to use as family/play room.
Project Location: Killingworth, CT
Want to get a quote on finishing part of our basement into a TV and exercise area.
Project Location: Killingworth, CT
We have a cinder block foundation in our garage. Part of the wall is caving in and the floor of the garage in that corner has collapsed. We have been told that it is likely due to the soil underneath the foundation being washed away. We would like to know how much it will cost to repair and how soon this work could be done. Thank you.