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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

Your Local Mystic, CT Foundation Repair & Basement Waterproofing Experts

Happy Customers Surrounding Mystic, CT

Testimonials

Reviews

Work Requests

Click the icons to see what our customers had to say.

Work requests in Mystic, CT Project Location: Mystic, CT

Some minor water intrusion in 3 basement spaces, needs to be investigated and potentially remediated.

Project Location: Mystic, CT

Would like to see how much a dehumidifier would cost as I keep having to empty mine.

Project Location: Mystic, CT

Have a house with a sump pump. Would like to get a quote to battery back up and remote monitoring as well.

Project Location: Mystic, CT

Would like to finish part of our basement and ensure it is moisture proof

Project Location: Mystic, CT

Want to finish basement into living area but have occasional water intrusion when severe rain occurs. Water comes up through hairline cracks or tiny holes in foundation..not along walls but middle of floor. Happens only about once a year but would ruin a finished basement. Would like estimate for waterproofing and also separate estimate for finishing basement into another usable living area

Project Location: Mystic, CT

Our basement is leaking through a pole in the ground.

Project Location: Mystic, CT

I have two concrete slabs around my pool that need to be raised.

Project Location: Mystic, CT

Crack in foundation in basement, looking to have it sealed

Project Location: Mystic, CT

Replacement of existing pump and inspection of current system

Project Location: Mystic, CT

I had a home inspection today on a property in Groton and need estimate

Reviews from our customers in Mystic, CT

5.0/5
Deborah P. Deborah P. Mystic, CT

4.0/5
Michael B. Michael B. Old Evarts Lane

has not rained yey though - we will see!

4.8/5
Renee A. Renee A. Pumpkin Hill Road

4.5/5
Edward W. Edward W. OLD SOUTH RD

WORKERS WERE COURTEOUS, EFFICIENT, CARING, THOUGHTFUL

5.0/5
Timothy R. Timothy R. Findlay Way

5.0/5
Ted T. Ted T. Montauk Avenue

5.0/5
Robert N. Robert N. Ring Drive

5.0/5
Ethan T. Ethan T. Yacht Club Rd

5.0/5
Elizabeth L. Elizabeth L. Quarry Path

The follow-through from the time we signed our agreement was exceptional. Everyone with whom we spoke/worked was courteous, returned our calls and answered our questions promptly, and kept our project on track.

5.0/5
Christine S. Christine S. Middlefield St

5.0/5
Charles H. Charles H. Elm St

Company founder Larry is the kind of guy that we need more of in CT- built a business, invented products, employs and trains people, and engineered a sales process that cd be used to improve results in many other enterprises. Kudos!

4.8/5
John S. John S. Shewville Road

5.0/5
Barbara C. Barbara C. Woodland Avenue

5.0/5
John M. John M. Island Road

4.6/5
Brian F. Brian F. Long Cove Road

5.0/5
Michael B. Michael B. Somerseett Dr

5.0/5
Gary Gary Pawgatuck, CT

Great sales representation and Installation crew.

5.0/5
Allan Allan Pinecrest Rd.

The job performance was outstanding, and the work was finished in a very short time. Cleanup was done to perfection. The end result was perfect and professional. There was a special bonus to the visit because the work site manager noticed that the electrical power line leading to the breaker box was in very poor condition because the insulation had come off. I had the wire replaced and most of the breakers, and, because of the breaker box deterioration, the electrician told me I was lucky that my home's electrical system hadn't converted itself to a 240 volt system which would have fried my computer and television set. So your work site manager potentially saved me a lot of money, and I want to thank him for pointing out the dangerous situation to me. This is another example of the dedicated, thoughtful, outstanding people you have working for you. I would definitely do business with you again, and, in fact, you will be coming out here on December sixth to extend the drain line for me.

5.0/5
Allan A. Allan A. Pinecrest Rd.

The job was done very expertly and quickly. Cleanup was thorough. All in all a very professional job was performed without a glitch.

4.6/5
Kathy D. Kathy D. Laurel Leaf Dr.

5.0/5
William K. William K. Gales Ferry, CT

5.0/5
Mccoy R. Mccoy R. Cedar Grove Ave

I was truly impressed by the service and the installation was completed in one day just as we were quoted.

5.0/5
Paul R. Paul R. Lower Blvd

4.7/5
Patrick M. Patrick M. Milton Rd

5.0/5
Robert A. Robert A. Forest Lane

5.0/5
Christine K. Christine K. Roseleah Drive

I cannot thank you enough for the job you did. My basement issues were stressful and discouraging and now the problems have been solved. I am thrilled to be able to use my baement again. And I am confident that if there is ever a problem they will take care of it immediately.

5.0/5
John O. John O. UNCASVILLE, CT

I DO NOT EXPECT TO HAVE MOLD PROBLEMS NOW BUT

MAYBE DOWN THE ROAD AS I HOPE THE NEW UNIT WILL TAKE CARE OF IT FOR THE PRESENT.

5.0/5
Tim T. Tim T. Lynn Drive

5.0/5
Linda P. Linda P.

5.0/5
Paul B. Paul B. North Stonington, CT

Mystic, 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 Mystic:

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 Mystic and areas nearby!

Get A FREE Quote!

Trusted basement waterproofing company serving Mystic

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 Mystic:

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

Get A FREE Quote!

Permanent foundation repair solutions in Mystic

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 Mystic:

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 Mystic and areas nearby.

Get A FREE Quote!

Reliable crawl repair & encapsulation services in Mystic

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 Mystic:

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 Mystic and areas nearby.

Get A FREE Quote!

Transform your home with basement finishing in Mystic

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 Mystic:

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 Mystic and areas nearby.

Get A FREE Quote!

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 Mystic - 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!

Get A FREE Quote!

Photo Galleries From Mystic

The TripleSafe sump pump is a fantastic option for a sump pump. It has three pumps to collect and dispose the maximum amount of water. The water is channeled here and is discharged away from the home. This is exactly what the homeowner wanted and was pleased with the results!

This system is placed below the ground and will collect water and channel it to the sump pump. You can see where the system is placed by the wet cement which is used to seal the system.

Cracks in a basement is a perfect way for moisture and water to leak through...

Job Stories From Mystic, CT

Insulation and Waterproofing Installation in Mystic, CT

The old insulation and waterproofing methods in this Mystic, CT family's home was beginning to take a toll on their home. The house's original rim joist insulation was old, and costing them quite a bit on their energy bills. The rim joist is an area often overlooked when it comes to home insulation, and it is also a huge source of energy loss. On top of that, their old sump pump and waterproofing system just wasn't running like it used to. They gave us a call at Connecticut Basement to help fix the problem, and we were more than happy to come and take a look!

Once we diagnosed this houses problem with our system design specialist, we hopped right to work! We first removed all of the home's old insulation, and went ahead and installed our own Rim Joist Insulation. To do this, we used a closed cell spray foam. Closed cell foam cures dense and hard and is heavier than open cell foam. It forms an effective barrier against both moisture and air, making it hard for cold air from the outside to sneak in.

Secondly, we went ahead and waterproofed the basement with our TripleSafe Sump Pump System! For normal functioning, the TripleSafe™ has a powerful, cast-iron Zoeller® ⅓ horsepower sump pump set at the lowest level. For heavy volumes of water or in case of primary pump failure, a second, more powerful Zoeller® ½ hp pump set a bit higher in the liner will take over. In case of a power outage, our UltraSump® battery backup sump pump, set at the highest level, will pump 11,500 gallons or more on a fully charged battery!

We left this family feeling confident that their home was now properly waterproofed and insulated! Call us today for your FREE quote!

Work Requests From Mystic, CT

Project Location: Mystic, CT

Some minor water intrusion in 3 basement spaces, needs to be investigated and potentially remediated.

Project Location: Mystic, CT

Would like to see how much a dehumidifier would cost as I keep having to empty mine.

Project Location: Mystic, CT

Have a house with a sump pump. Would like to get a quote to battery back up and remote monitoring as well.

Project Location: Mystic, CT

Would like to finish part of our basement and ensure it is moisture proof

Project Location: Mystic, CT

Our basement is leaking through a pole in the ground.

Project Location: Mystic, CT

I have two concrete slabs around my pool that need to be raised.

Project Location: Mystic, CT

Crack in foundation in basement, looking to have it sealed

Project Location: Mystic, CT

Replacement of existing pump and inspection of current system

Project Location: Mystic, CT

I had a home inspection today on a property in Groton and need estimate

Project Location: Mystic, CT

Inspect crawl space vapor barrio system

Project Location: Mystic, CT

We are having water in our basement on heavy rain days. Gutter guy is telling me it's coming up from under ground and NOT a gutter issue. He suggested a sump pump....looking for expert opinion.

Project Location: Mystic, CT

Basement flooding. On heavy rainy days, basement leaks where the floor meets the foundation wall in multiple spots.

Project Location: Mystic, CT

During heavy rain water intrudes at foundation wall and floor junction

Project Location: Mystic, CT

Basement finishing/remodel add a bathroom and wellness office space

Project Location: Mystic, CT

Back up sump system, for either power loss or pump failure

Project Location: Mystic, CT

Your basement system is already installed. Now looking to finish basement. Approx 600 sq feet Please respond by email.

Project Location: Mystic, CT

I' looking to finish my basement and add a home gym

Project Location: Mystic, CT

Dampness in Cellar - Need Dehumidifier

Project Location: Mystic, CT

During heavy rainstorms water leaks into the basement near the bulkhead. There are minor cracks where the bulkhead meets the basement that appear to be the source of the leaks. There is a secondary area that has also had leaks near where the washer drain pipe exits the basement. The basement is currently split into a finished and unfinished side. The leaks have previously reached the finished side and have caused minor water damage. The goal would be to stop all leaking.

See all work requests