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
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

Ossining, NY's Devoted Basement & Crawl Space Waterproofing Company

It looks fantastic, a whole new basement. Thank you so much for the great work, you guys....
Happy Customers Surrounding Ossining, NY
Work Requests

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Reviews From Ossining
Testimonials From Ossining
Thank you for your accommodation and I am calling to say how fabulous Tony is. He is a terrific...
Testimonial by Michael B. from Ossining, NY

Ossining, NY'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 New York 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 Ossining:

  • 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 Ossining and areas nearby!

Trusted basement waterproofing company serving Ossining

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 Ossining:

  • 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 Ossining 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 Ossining

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 Ossining:

  • 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 Ossining and areas nearby.

Reliable crawl repair & encapsulation services in Ossining

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 Ossining:

  • 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 Ossining and areas nearby.

Transform your home with basement finishing in Ossining

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 Ossining:

  • 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 Ossining 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 Ossining - 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 Ossining and nearby areas.

Work Requests From Ossining, NY
Project Location: Ossining, NY
Basement flooding through storm door. Replace basement tiles with epoxy
Project Location: Ossining, NY
Water weeping and leaking in the uphill basement wall.
Project Location: Ossining, NY
For Ida and this past heavy storm 2 sundays ago, an area of my basement home office, corner, seems to let water in. Have been in the house 22 years and only happened these 2 times. Might need french drain or just floor water proofing. Want to get estimate
Project Location: Ossining, NY
There is a hole in our foundation where our old well pipe was
Project Location: Ossining, NY
Water is leaking in basement, already confirmed with plumber there are no issue with pipes looks like it is seeping from the foundation. Would love to have a professional assess and give me an estimate.
Project Location: Ossining, NY
Water leaked into the basement during tonights heavy rains.
Project Location: Ossining, NY
During the initial inspection done on our home, they informed us there may be a potential water leak in the crawlspace. The inspector was unsure if the cause of the water but believes it is from poor drainage on the driveway side of our house.
Project Location: Ossining, NY
We have an intermittent leak in our utility room during a strong downpour.
Project Location: Ossining, NY
Waterproofing basement fully
Project Location: Ossining, NY
Basement leaks
Project Location: Ossining, NY
Want to finish our basement . Currently can only be used for storage
Project Location: Ossining, NY
Basement potentially has ground water seeping up through cracks. Need quote on remediation.
Project Location: Ossining, NY
Hi, Whenever it rains heavily, there's a storage area of my basement that gets wet. I would like to know the best way to repair this problem. Thanks
Project Location: Ossining, NY
I have noticed some recent dramatic settling along the supporting interior wall of my house and some significant rot in the basement, and would like to remedy ASAP before it gets worse.
Project Location: Ossining, NY
Comment: Source BrandBlaster Service TBF
Project Location: Ossining, NY
We just bought our house and are looking into finishing the basement to expand our living space so we would need to finish the basement and finance the project.
Project Location: Ossining, NY
Mold in wet crawlspace
Project Location: Ossining, NY
Cracked foundation Mold Minor flooding leaky window
Project Location: Ossining, NY
We just moved into our house a few weeks ago after completing some renovations. The house was built in 1987 and we had noticed a sag in the floors and some jagged cracks in the corners of some door frames. We had a structural engineer assess during our inspection and was told the house settled and appeared to be fine now. A few weeks ago, we found water in the basement after a heavy storm and the cracks we cosmetically repaired have since reappeared in the last month. I am very concerned there is a much bigger issue and am hoping you can come for an estimate and assessment. Thank you for your help!!
Project Location: Ossining, NY
Vestment refinishing financing.