Serving Connecticut, Westchester and Putnam Counties

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Reviews From Chappaqua
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


Before and After Pictures from Chappaqua
Fully finished space in Chappaqua, NY

Fully finished space in Chappaqua, NY

Before After
Fully finished space in Chappaqua, NY Fully finished space in Chappaqua, NY

Beautiful refinished space. You can see the staircase on the left in the before picture and the newly ready carpet staircase in the after picture. It's hard to imagine this is the same house, but with our professional team your basement can look this amazing too!

Walling before and after in Chappaqua, NY home!

Walling before and after in Chappaqua, NY home!

Before After
Walling before and after in Chappaqua, NY home! Walling before and after in Chappaqua, NY home!

The walling in this Chappaqua, NY home was extremely outdated and unnattractive. Our team installed ZenWall paneling to ensure dry basement walls and an appealing look.

Sump Pump installation in Chappaqua, NY

Sump Pump installation in Chappaqua, NY

Before After
Sump Pump installation in Chappaqua, NY Sump Pump installation in Chappaqua, NY

The SuperSump® includes a powerful Zoeller® ⅓ horsepower cast-iron sump pump, capable of pumping 2,500 gallons of water per hour out of 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

Your Local Chappaqua, NY Foundation Repair & Basement Waterproofing Experts

Very high quality service was provided. The work was completed in a timely manner, and was implemented with high quality....
Happy Customers Surrounding Chappaqua, NY
Work Requests

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Basement Waterproofing & Crawl Space Repair in Chappaqua, New York

Do you have water in the basement? Is your crawl space damp? This leads to mold, rot, musty odors and structural issues. It also leads to a reoccurring headache for you. Luckily, our trained experts are available to permanently fix the problem.

We will properly install a hidden drainage system in your Chappaqua basement and completely encapsulate your crawl space with CleanSpace vapor barrier. We are here to solve the problem for you.

Why Choose Us?
  • Lifetime Warranty on all Perimeter Waterproofing Systems
  • 25-year Warranty on Crawl Space Encapsulation Systems
  • Sump Pump Installation, Repair & Replacement
  • Basement, Crawl Space & Spray Foam Insulation
  • Basement Egress Windows
  • Crawl Space & Basement Dehumidifiers
  • Over 27 Years of Experience
  • Hundreds of Satisfied Customers

Basement Finishing & Remodeling in Chappaqua, NY

Waterproofing your basement prevents outside water from coming in but what if a pipe bursts or the water heater leaks inside the home. A newly finished basement done by your average contractor will mold and rot if there is an internal leak. You'll have to tear out your new basement! We fix this issue.

Our Products Include :
  • Waterproof, washable, insulated walls           
  • Mold-Resistant, No-Sag suspended ceiling
  • Modular carpet, tile & faux wood flooring

  • Energy-efficient, double-paned basement windows
  • Attractive Sunhouse basement window wells
  • French, bifold, louvre & six-paneled steel doors
Unlike the average Chappaqua contractor we use completely inorganic, waterproof materials. Even if the basement floods your walls and floors will not be damaged by the water. These waterproof products are patented and are built to create an attractive finished basement that lasts a lifetime.

Structural & Foundation Repair in Chappaqua

Foundation problems destroy your Chappaqua home’s value and can be dangerous. Our in-house team of structural and geo-technical engineers are here to help. We design and install the right solution and usually have the project finished in less than a week. You will have peace of mind as we provide a 25-year written warranty against defects on our foundation products.

We Fix
  • Bowing Walls
  • Sagging Floors
  • Stair-Step Cracks
  • Tilting Chimneys  
  • Foundation Cracks
  • Garage Slabs   
We Use
  • Wall Anchors
  • Slab Piers
  • I-Beam Wall Braces
  • Sticking Windows
  • Underpinning



Case Studies From Chappaqua
Downtown Chappaqua is undergoing a revitalization including renovation of existing older structures to support new businesses. One building in...
Job Stories From Chappaqua, NY
WaterGuard System in Chappaqua, NY

This Chappaqua basement had a water issue every time it rained. Water would seep through the floor which would cause the basement to have a musty odor and be an unpleasant environment. This became frustrating to the homeowner and he wanted to find a solution. He decided to call Connecticut Basement Systems since they are the experts in all things basementy!  

On the day of the appointment, Sales Representative Brad Glazer arrived at the home to assess the situation. He concluded that a WaterGuard system would be the perfect solution. Paired with a Triple Safe sump pump. Brad explained the benefits of each of the products to the homeowner. The WaterGuard system is a below the floor drainage system that collects water internally. The WaterGuard system then collects the water and channels it to the Triple Safe sump pump. From the sump pump, the water exits the basement through a discharge line. These are two great products that will ensure to keep your basement dry all year. The homeowner was impressed and wanted the system installed. 

On the day of production, Garfield Sanderson and his team installed the products professionally and efficiently. Once the project was completed, the homeowner was thrilled with the results and could not be happier with his dry, musty odor free basement! 

Work Requests From Chappaqua, NY
Project Location: Chappaqua, NY
Water coming up through laminate flooring in basement
Project Location: Chappaqua, NY
Want to finish the basement.
Project Location: Chappaqua, NY
Lots of groundwater outside, damaging the foundation outdoors and inside the garage. Mold and wet bricks. Plumbers recommend a basement waterproofing company. Thanks.
Project Location: Chappaqua, NY
Our crawl space is damp when it rains.
Project Location: Chappaqua, NY
Wet basement
Project Location: Chappaqua, NY
Basement needs a sealed crawlspace and some walls may leak
Project Location: Chappaqua, NY
Basement waterproofing.
Project Location: Chappaqua, NY
We are looking for a quote for sump pump installation in our basement.
Project Location: Chappaqua, NY
We received a small amount of water in our basement after Ida (five inches) and water penetration around our bilco doors. The area has both internal and external french drains and we have primary and battery sump pumps. Curious if there are any defects in our current setup, and any recommendations for better handling such a large rainfall in the future (e.g., larger primary sump pump, second backup sump, blockage in the drain line, or other reconfiguration).
Project Location: Chappaqua, NY
Our basement was flooded. Carpet has been ripped out. Need to look at piping etc and see how we can prevent this in the future. Would love someone to come Thursday if possible.
Project Location: Chappaqua, NY
Looking to waterpoof a crawl space.
Project Location: Chappaqua, NY
Basement has musty smell and is coming up into the main floor of the house
Project Location: Chappaqua, NY
Humidity in basement
Project Location: Chappaqua, NY
We used your company many years ago to repair cracks in the walls of our foundation. We now have cracks in our floor and would like for someone to come out and access and provide recommendations for repair. Thank you!
Project Location: Chappaqua, NY
No waterproofing has been done in basement of home we are purchasing. The current owner says basement is typically dry but the current Drywall shows evidence of moisture. Will need to remove drywall and properly waterproof.
Project Location: Chappaqua, NY
Hi, Water came into our finished basement during a heavy storm yesterday. It came under the baseboards, and the contractor believes we need some repairs and waterproofing outside of that wall. I was hoping for an estimate. Thank you!
Project Location: Chappaqua, NY
Waterproofing concrete walls in basement, removing mold on walls, fixing sump pump.
Project Location: Chappaqua, NY
You guys put drains & pumps in years ago for us. Now, we're starting to explore whether finishing the basement is possible & what it would cost/how long it would take. It's an old house (1914) so we don't know what's even feasible.
Project Location: Chappaqua, NY
Basement is very damp, current dehumidifier constantly full. Interested in a sanidry product.
Project Location: Chappaqua, NY
We've had a finished basement that has always been damp. However, after a major addition/renovation, the basement is less finished and still damp. So, we're looking to address the water issue and repair or replace the cabinets, flooring, etc.