Serving Connecticut, Westchester and Putnam Counties

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A Free Estimate!
Reviews From Washington
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
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

Your Respected Washington, CT Basement Waterproofing & Crawl Space Repair Contractor

Happy Customers Surrounding Washington, CT
Work Requests

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Washington, 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 Washington:

  • 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 Washington and areas nearby!

Trusted basement waterproofing company serving Washington

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 Washington:

  • 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 Washington homeowners - this includes sump pumps, basement dehumidifiers, french drains, and more. Schedule a free basement waterproofing estimate to learn more!

Permanent foundation repair solutions in Washington

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 Washington:

  • 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 Washington and areas nearby.

Reliable crawl repair & encapsulation services in Washington

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 Washington:

  • 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 Washington and areas nearby.

Transform your home with basement finishing in Washington

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 Washington:

  • 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 Washington 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 Washington - 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 Washington and nearby areas.

Job Stories From Washington, CT
Basement Solutions in Washington, CT

This homeowner in Washington, Connecticut knew she needed the best of the best to fix the many issues in her basement. Her dirty basement had water that created mold and complications, so calling Connecticut Basement Systems was the best thing for her, as we assessed the problems, we knew just what to do. 

To fix the water issues, our Triple Safe SumpPump was installed which is engineered with three levels of protection. The first level starts with the most reliable cast iron AC sump pump, then installed with them is two separate discharge lines, this is so if one pump can’t handle the volume of water, they can work to pump together. If you were to lose power, a third DC pump automatically starts. This allows for large quantities of water to be handled easily and will stop water from entering the basement. An IceGuard was also installed which prevents discharge lines from freezing. When the lines freeze it stops water from being able to escape and it ends up back in the basement, IceGuard stops the line from freezing so no water will get backed up back into the basement.

 Our patented products and exceptional workmanship are guaranteed to leave our clients happy with secure long-term household fixes.


Work Requests From Washington, CT
Project Location: Washington, CT
Do you repair wall cracks that are leaking in a foundation?
Project Location: Washington, CT
Damp basement
Project Location: Washington, CT
Insulation crawl space wall with terrablock and floor
Project Location: Washington, CT
I would like to get your professional opinion about the status of the foundation of my home, and an estimate for any repairs that may be necessary before selling. I would like to find out if you agree with the inspection, or do you have a different opinion and have a quote. I can send the inspection report and photos via email or text, or set up a time for you to come. Thanks!!
Project Location: Washington, CT
We have a basement leak where a newer foundation joins an older one. Until recently, it has been minor, but it has been getting worse to the point where after a good rain water is pooling.
Project Location: Washington, CT
Basement leak
Project Location: Washington, CT
Water coming into finished basement/den. Believed to be coming in through crack in foundation.
Project Location: Washington, CT
Im trying to finish my basement I had the ceiling ready but I would like to place walls and floor I have 2 rooms that I would like to have it done 13'*13' each one
Project Location: Washington, CT
In a rental home but coordinating repairs for the landlord. An 1800's home with half dirt, half poured cement floor. There is water running in the dirt section all the time - does not appear to change with weather. House is built into a hill and the whole hillside seeps. There is an exsisting PVC drain pipe that runs directly outside. Interested in cement throughout. Would like to coordinate an estimate. Email may be best for contact.
Project Location: Washington, CT
Basement flooding from hatch door after heavy rain. Need sealing in surrounding areas. Need larger joit brackets in crawl space.
Project Location: Washington, CT
I left a message on your voicemail system as well, but wanted to reach out here. I currently live in New York City, but my parents are based out of Washington CT in Litchfield County, and have been living with a flooded (~4") basement since Hurricane Irene over 15 months ago. I am really hoping to be able to do something for them - they require not only the pumping of the standing water (something they already do regularly) but also waterproofing. Your company sounds ideal, however if you do not service this area I hope you may be able to point me in the right direction. Thank you very much! I greatly appreciate any help you can offer.