Serving Connecticut, Westchester and Putnam Counties

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A Free Estimate!
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 Local Suffield, CT Foundation Repair & Basement Waterproofing Experts

"We made the job harder for the installers and they still got it done"...
Happy Customers Surrounding Suffield, CT
Work Requests

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Reviews From Suffield
Testimonials From Suffield
Ismael did a great job of explaining everything to me, and was very thorough throughout the project.
Testimonial by Chuck S. from Suffield, CT
I have done business with your company since 1989, and 1 pump has lasted 32 years. You are truly All Things...
Testimonial by William S. from Suffield, CT

Suffield, 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 Suffield:

  • 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 Suffield and areas nearby!

Trusted basement waterproofing company serving Suffield

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 Suffield:

  • 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 Suffield 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 Suffield

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 Suffield:

  • 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 Suffield and areas nearby.

Reliable crawl repair & encapsulation services in Suffield

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 Suffield:

  • 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 Suffield and areas nearby.

Transform your home with basement finishing in Suffield

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 Suffield:

  • 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 Suffield 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 Suffield - 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 Suffield and nearby areas.

Work Requests From Suffield, CT
Project Location: Suffield, CT
Need foundation repairs done.
Project Location: Suffield, CT
960 square feet basement - Ceiling with recess lighting, walls, and a bedroom door, Depending on total cost possible bath (shower, sink, toilet) and flooring .Separate quote on bath and flooring.
Project Location: Suffield, CT
Water in crawl space and in basement
Project Location: Suffield, CT
Unfinished basement flooded, looking to waterproof
Project Location: Suffield, CT
Moisture in basement, looking to seal cement
Project Location: Suffield, CT
I currently have a sump pump with a leech field. During times of heavy rain, the leech field seems to overflow and the water comes back in from around the exit pipe. I'm looking to find out our options to correct this.
Project Location: Suffield, CT
House is titled, interior wall cracked, crown molding is cracked.
Project Location: Suffield, CT
Looking to complete some of the basement for casual use; cover walls, eliminate dirt and insects.
Project Location: Suffield, CT
I have two sump pumps. One is not working. One is working but needs a battery back up system.
Project Location: Suffield, CT
Vertical cracks in foundation with leaking, want to fix and determine prevention, water proofing
Project Location: Suffield, CT
Wind driven rain on Bilco door appears to be a recurring problem. I would like a more waterproof solution.
Project Location: Suffield, CT
Looking for an estimate on sealing crawl space
Project Location: Suffield, CT
We would like to have our unfinished basement floor resealed and waterproofed as we are planning to sell our house
Project Location: Suffield, CT
I have a small 1000 sq ft ranch with under-house garage opening, we need more space and to increase the value of the house. Wondering if finishing the basement into living space is a good option.
Project Location: Suffield, CT
We have a small area in front of the door that leads out to the bulk head doors where water is coming in during very heavy rainy days. I have some pictures as well.
Project Location: Suffield, CT
Sill in garage is deteriorating. We believe it is from road salt & water damage over time. Would like assessment & quote to repair & seal sill.
Project Location: Suffield, CT
Basement is damp and musty, is already finished but would like to redo it but need to figure out how to get rid of dampness first.
Project Location: Suffield, CT
Changing the insulation under living room / kitchen in 20 x40 x 4 ft tall crawl space. Possible rat slab.
Project Location: Suffield, CT
Basement very wet after spring thaw and or consecutive heavy rainfall.,Sometimes up to 4".
Project Location: Suffield, CT
Just had ground water leaking into our finished basement in a few different areas.