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


Before and After Pictures from Shelton
WaterGuard System installed in Shelton, Ct

WaterGuard System installed in Shelton, Ct

Before After
WaterGuard System installed in Shelton, Ct WaterGuard System installed in Shelton, Ct

This basement was taking on water. To fix this issue we installed our Waterguard system around the perimeter of the basement. The WaterGuard system allows water a channel to the sump pump without flooding the basement. 

Clean Space in Shelton CT

Clean Space in Shelton CT

Before After
Clean Space in Shelton CT Clean Space in Shelton CT

This Shelton home had a tremendous amount of moisture underneath the home. This caused the bottom beams holding up the house to sag. This was very dangerous to the homeowners and the home. These unhappy homeowners called CT Basement Systems to fix this issue. We came out and the homeowner now has our CleanSpace Crawl Space Vapor Barrier System. The white crawl space liner is installed on the walls and floor of the crawl space to prevent mold and moisture from happening and damaging the home. This great system comes with a 25 year warranty, for rips and tears. We make it easy to repair your wet crawl space, by providing a free inspection and estimate. 

Having the same problem with your crawl space? Call us now for your free estimate.

Flooring Transformation in Shelton, CT

Flooring Transformation in Shelton, CT

Before After
Flooring Transformation in Shelton, CT Flooring Transformation in Shelton, CT

This Shelton, CT homeowner was tired of looking at the cold, damp concrete floors in his basement. They had comfy, plush couches, but no floor under them to make the basement look like home. The home being close to a body of water certainly didn't help matters! They decided to give us a call at Connecticut Basement Systems, and we were happy to come out, and offer them a solution to their problems!

Our System Design Specialist came out and took a good look at this family's basement. He quickly knew just what they needed. They sent out Tony Dilonardo to the house, where his team went ahead and installed our ThermalDry Flooring Tiles in Canyon Beige. These flooring tiles completely transform your basement, and come in all colors and designs in the same 12 inch, square-shaped, snap together design. These tiles are strong, durable, and immune to moisture damage. For a home closer to the water like this one, they're a perfect option. The underside of each ThermalDry tile features construction that creates a drainage plane, as well as a thermal break to shield your feet from the cold concrete floor.

This family now feels comfortable bringing guests into their basement, and have a cozy evening at home! Give us a call TODAY for your FREE ESTIMATE!

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

Shelton, CT's Trusted Crawl Space & Basement Waterproofing Company

Wet basement problem solved for a Shelton, CT resident....
Happy Customers Surrounding Shelton, CT
Work Requests

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Reviews From Shelton
Testimonials From Shelton
Everything from your office staff to your installation crew, and especially your salesman, were excellent.
Testimonial by Frank M. from Shelton, CT
Your foreman was extremely knowledgeable and really a pleasure to work with.
Testimonial by Greg C. from Shelton, CT
All in all, we are very happy with the job and glad that we did it. Thank you.
Testimonial by Rodney/Astrid G. from Shelton, CT

Shelton, 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 Shelton:

  • 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 Shelton and areas nearby!

Trusted basement waterproofing company serving Shelton

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 Shelton:

  • 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 Shelton 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 Shelton

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 Shelton:

  • 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 Shelton and areas nearby.

Reliable crawl repair & encapsulation services in Shelton

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 Shelton:

  • 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 Shelton and areas nearby.

Transform your home with basement finishing in Shelton

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 Shelton:

  • 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 Shelton 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 Shelton - 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 Shelton and nearby areas.

Case Studies From Shelton
The homeowners in this Shelton home had a crawl space that not only was damp dirty and unappealing but it also was damaging the home. The floors...
News & Events from Shelton
United Way Honors Connecticut Basement Systems.
The United Way honored Connecticut Basement Systems Inc. on April 26th, 2012 for their pursuit of excellence in leadership and community outreach. Three awards were given to the company. The first to the founder and owner Larry Janesky who received the CVC Corporate Citizen of the Year Award. They also received the silver award for employee participation in community support and the 2011-2012 campaign underwriter award. ... [Read more]
Toys 4 Kids 2022
Connecticut Basement Systems and TEAM, Inc. helped transport the toys donated at Tom & Diane Baklik's Annual Christmas Benefit to TEAM's toy store in Shelton.... [Read more]
Connecticut Basement Systems Attends Moving Forward Regional Hiring Event
Connecticut Basement Systems attended the Moving Forward Regional Hiring Event at Trumbull Marriott Shelton in Trumbull, Connecticut. Don't worry if you missed us at the event, we're still looking for strong workers to join our team!... [Read more]
Work Requests From Shelton, CT
Project Location: Shelton, CT
Unfinished basement has 6 inches of water
Project Location: Shelton, CT
I looked up floor sagging repairs, and you guys popped up first. I have a bit of flooring that is uneven, and I was wondering two things: do you do floor sag repair, and if so could I get a quote to determine the extent of the problem/repair the floor sag?
Project Location: Shelton, CT
Hi, How much does the air purifier cost? Thanks!
Project Location: Shelton, CT
Leaking basement bulkhead foundation. Door was moved 90° and new foundation poured to attach to old during 1992 renovation. Appears to be cracked at joint between old and new. Leaks copiously during rain storms.
Project Location: Shelton, CT
We have a finished basement that keeps getting water. We rerouted all of the gutters and after today's storm we have another inch of water in it.
Project Location: Shelton, CT
Considering a portable dehumidifier for basement. Already have your clean space and triple safe pump from the waterproofing performed here 4 years back.
Project Location: Shelton, CT
Looking to finish a baent of a 1 year old. Ew construction
Project Location: Shelton, CT
My basement leaks and it looks like there are loose stones: 123 year old basement
Project Location: Shelton, CT
Water is seeping through this crack in the basement/foundation wall that looks like it was previously patched. Want to resolve this issue. Uploaded Files:
Project Location: Shelton, CT
Small amount of water coming into basement at base of wall where it meets the basement floor
Project Location: Shelton, CT
We have a finished basement that continuously gets leaks in water whenever there is a heavy rainfall. We are interested in finding out what a repair would be including the garage. We had water damage and submitted a claim to our insurance company this weekend.
Project Location: Shelton, CT
Cracks in garage floor, causing flooding in sections of garage.
Project Location: Shelton, CT
Damp, smelly basement on a recently purchased foreclosure home. I need an estimate and to know what I will need to demo in order to get the basement waterproofed.
Project Location: Shelton, CT
Looking for a quote to finish a basement
Project Location: Shelton, CT
I have a crawl space in the basement and have mice problem so I need it to be repaired.
Project Location: Shelton, CT
Hello! We just had our waterproofing system installed and now we'd like to finish the basement. Floor, ceiling, etc
Project Location: Shelton, CT
Interior walls appear to be sagging and cracking, chimney popped up on roof, attic floor bowed up
Project Location: Shelton, CT
Water leaking into basement
Project Location: Shelton, CT
Refinish basement
Project Location: Shelton, CT
I have 2 house additions having crawl spaces underneath. I'm experiencing water penetration and moisture issues in these areas.