What Connecticut Basement Systems does

Connecticut Basement Systems is a privately held home-improvement contractor founded in 1987 and headquartered at 33 Progress Avenue in Seymour, Connecticut. The company specializes in basement waterproofing, crawl space repair and encapsulation, foundation repair, basement finishing and remodeling, mold remediation, and home insulation, serving homeowners across Connecticut and Westchester County, New York. It also provides commercial foundation services — push pier systems, helical piles, helical anchors and tiebacks, and shotcrete wall restoration — to commercial property owners and managers. The firm is led operationally as an independent regional dealer within the Basement Systems and Foundation Supportworks international contractor networks, which together supply the proprietary product portfolio underpinning its work.

The company's product architecture is built on 30 patented systems, including the WaterGuard below-floor interior drainage system, TripleSafe three-pump sump pump (capable of pumping up to 11,500 gallons on a full battery charge), CleanSpace vapor barrier for crawl space encapsulation, SaniDry ENERGY STAR-rated dehumidifiers, EverLast moisture-resistant wall panels, and foundation-repair systems such as Geo-lock wall anchors, PowerBrace, CarbonArmor, and StableLock. These components are designed as an integrated below-grade solution rather than standalone products, and are installed by in-house professionally-trained crews rather than subcontractors. The portfolio also extends to adjacent categories such as gutter guards, whole-home air purifiers, and basement egress windows, broadening the addressable surface beyond the historical waterproofing core.

Connecticut Basement Systems generates revenue primarily through project-based professional services sold via free in-home inspections and no-obligation quotes, supported by third-party financing and an annual maintenance subscription layer for recurring sump pump and system servicing. The go-to-market model is sales-led and direct-to-consumer, combining inbound phone, paid search, SEO-optimized city-specific landing pages, TV and radio advertising, direct mail, and a structured referral program that leverages relationships with realtors, home inspectors, and platforms such as HomeAdvisor. With 110,000+ homes served since founding, an A+ BBB rating maintained over 37 years, and three Connecticut BBB Torch Awards for Marketplace Ethics, the company operates as the largest basement waterproofing, foundation repair, crawl space encapsulation, and basement finishing contractor in Connecticut.

Name

Connecticut Basement Systems

Legal name

Connecticut Basement Systems, Inc.

Website

https://connecticutbasementsystems.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

51–100 employees

Short description

Connecticut Basement Systems is a Seymour, Connecticut-based home-improvement contractor founded in 1987 that provides basement waterproofing, crawl space encapsulation, foundation repair, basement finishing, and mold remediation to residential homeowners across Connecticut and Westchester County, NY, using 30 patented products installed by in-house crews.

Ownership category

akta.pro rank

Product category

Residential and Commercial Basement Waterproofing, Foundation Repair, Crawl Space Encapsulation and Basement Finishing Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (23822)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Basement Waterproofing & Moisture Control (HSAPACAA)

akta.pro secondary industries

Basement Flooring Installation (LVP, Tile, Carpet, Epoxy) (HSAPACAD), Basement Kitchenette, Wet Bar & Plumbing Build-Out (HSAPACAG), Downspout Installation/Repair & Extensions (HSAGAIAF)

Keywords

• Basement waterproofing services
• Crawl space encapsulation
• Foundation repair contractors
• Basement finishing systems
• Sump pump installation

Headquarters

HQ city

Seymour

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Supply Chain, Technology or R&D, Infrastructure

Revenue model

1. Waterproofing Services: Basement waterproofing services including sump pump installation, French drain systems, interior drainage, and dehumidification. Revenue generated from product installation and professional services.
2. Foundation Repair Services: Foundation repair services including wall anchors, piers, support jacks, and wall repair systems. Delivered through professionally-trained crews using proprietary products.
3. Crawl Space Repair & Encapsulation: Crawl space repair including vapor barrier installation, dehumidifiers, support posts, and full encapsulation services.
4. Basement Finishing & Remodeling: Basement finishing services including wall panels, flooring, ceiling tiles, windows, and complete basement remodeling.
5. Mold Remediation: Mold removal and remediation services for basements and crawl spaces.
6. Home Insulation: Home insulation services including crawl space insulation and wall insulation products.
7. Commercial Foundation Services: Commercial foundation services including push pier systems, helical anchors, and foundation repair for commercial properties.
8. Annual Maintenance Services: Schedule annual maintenance services for waterproofing systems including sump pump servicing.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels10 records

Core offering

Connecticut Basement Systems is a regional home improvement contractor that diagnoses, sells, and installs patented basement waterproofing, crawl space encapsulation, foundation repair, and basement finishing solutions for residential and commercial properties in Connecticut and Westchester County, NY. The company combines in-home inspections, free estimates, professionally-trained crews, optional third-party financing, annual maintenance subscriptions, and warranty-backed proprietary products (e.g., WaterGuard, TripleSafe, CleanSpace, SaniDry, Geo-lock, PowerBrace, CarbonArmor, StableLock, SmartJack) to deliver permanent dry-basement and structural-stabilization outcomes.

Product overview

Connecticut Basement Systems is a home improvement contractor offering a comprehensive ecosystem of patented, warrantied products for basement waterproofing, crawl space repair, foundation repair, and basement finishing. The product portfolio centers on interconnected waterproofing systems (WaterGuard perimeter drains, TripleSafe/SuperSump sump pumps, CleanSpace vapor barriers, SaniDry dehumidifiers) that work together to create a complete dry basement or crawl space solution. Foundation repair products include wall stabilization systems (Geo-lock anchors, PowerBrace, CarbonArmor, StableLock) and underpinning solutions (push piers, helical anchors). Basement finishing products under the Total Basement Finishing brand feature EverLast wall panels, ThermalDry flooring, and ceiling tiles designed for moisture resistance. The company's systems are backed by the Foundation Supportworks and Basement Systems dealer networks with lifetime transferable warranties.

Differentiator

Problem solved

Functional benefit

Products and services

• Basement Waterproofing Patented interior and exterior basement waterproofing service for residential homeowners with wet or flooded basements, including WaterGuard perimeter drains, TripleSafe/SuperSump sump pumps with battery backup, CleanSpace vapor barriers, SaniDry dehumidifiers, DryTrak drainage, wall crack repair, and basement vapor barriers. Delivered by professionally-trained in-house crews after a free in-home inspection and quote.
• Crawl Space Repair & Encapsulation Full crawl space encapsulation and repair service for residential homes, sealing crawl spaces with CleanSpace vapor barriers, installing SmartJack support posts for sagging floors, SaniDry CSB dehumidifiers, SmartDrain water drainage, Turtl access hatches, EverLast crawl space doors, SilverGlo wall insulation, TerraBlock floor insulation, and SmartVent flood vents.
• Foundation Repair Residential foundation stabilization and repair service diagnosing and fixing bowing, cracking, settling, and crumbling foundation walls using Geo-lock wall anchors, Geo-lock helical anchors, PowerBrace steel I-beam systems, CarbonArmor carbon fiber reinforcement, StableLock poured wall reconstruction, push piers, slab piers, SmartJack crawl space support posts, and EZ Post deck repair.
• Basement Finishing Residential basement finishing/remodeling service delivered through the Total Basement Finishing affiliate, installing EverLast moisture-resistant wall panels, ThermalDry floor tiles and ThermalDry Elite plank flooring, Premier and Linen no-sag ceiling tiles, EverLast window replacements, SunHouse window wells, and Rockwell egress windows.
• Sump Pump Installation Specialty sump pump installation service for homes and basements, fitting TripleSafe three-pump systems (with UltraSump battery backup capable of moving 11,500 gallons per charge), SuperSump dual-pump systems, IceGuard discharge lines, LawnScape exterior outlets, and WaterWatch water-level alarms to prevent basement flooding during storms and power outages.
• Mold Remediation Mold removal and remediation service for basements and crawl spaces, addressing moisture-driven mold problems in Connecticut and Westchester County homes.
• Home Insulation Residential home insulation service for crawl spaces and basement walls, installing SilverGlo reflective foam insulation panels, TerraBlock floor insulation underlayments, and WallCap block wall sealers to improve thermal performance and reduce condensation.
• Commercial Foundation Services Commercial foundation repair and stabilization service for property owners, including push pier underpinning, helical pile systems, helical anchors and tiebacks, shotcrete wall restoration, and slab pier repair for larger structures in Connecticut and Westchester County.
• Annual Maintenance Service Plan Recurring annual maintenance subscription for waterproofing systems, including sump pump servicing, scheduled through the company's website with an emergency-service option.
• Gutter Guards Residential gutter protection system installation to prevent debris accumulation and reduce water-related foundation and basement issues.
• Whole-Home Air Purifier Whole-home air purification system installation for homeowners aimed at improving indoor air quality, reducing allergens, and removing airborne contaminants.

Quantifiable outcome

• TripleSafe sump pump can pump 11,500 gallons of water on a full charge (battery backup)
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature16 records

Partnerships

14 partnerships are on record, tiered core and minor.

• Foundation SupportworkscoreStrategic or Co-development PartnerConnecticut Basement Systems is an affiliated dealer of Foundation Supportworks, an international network of professional foundation repair contractors. This partnership provides access to patented solutions, professional training, and updates on the latest industry best practices. Being part of this network enables the company to offer warrantied foundation repair products and services.
• Basement SystemscoreStrategic or Co-development PartnerBasement Systems is described as the 'world leader in dry basement and crawl space technology.' Connecticut Basement Systems is part of this network and has access to proprietary products including CleanSpace, WaterGuard, and other patented basement waterproofing systems.
• Total Basement FinishingcoreStrategic or Co-development PartnerTotal Basement Finishing is affiliated with Connecticut Basement Systems. The experts at Total Basement Finishing strive to uphold values of quality, responsibility, and integrity through their staff, product, and dealer network.
• CleanSpacecoreTechnology or IntegrationThe CleanSpace System was developed by Basement Systems as a leading crawl space encapsulation and vapor barrier technology. Connecticut Basement Systems installs CleanSpace products as part of their crawl space repair services.
• HomeAdvisorminorChannel Partner/ Reseller/ DistributorHomeAdvisor is a home services marketplace where Connecticut Basement Systems is listed as an Elite Service Professional with Seal of Approval and Top Rated Professional status. The platform generates leads and customer referrals for the company.
• Greater Valley Chamber of CommerceminorOthersConnecticut Basement Systems is a member of the Greater Valley Chamber of Commerce representing the business community of Ansonia, Beacon Falls, Derby, Oxford, Seymour, Shelton and surrounding area with approximately 600 member businesses.
• Connecticut Association of RealtorsminorGTM or Marketing PartnerConnecticut Basement Systems is affiliated with the Connecticut Association of Realtors, the state's largest professional trade association representing over 15,000 real estate professionals.
• Greater Bridgeport Board of RealtorsminorGTM or Marketing PartnerAffiliation with the Greater Bridgeport Board of REALTORS for professional connections and referrals in the real estate industry.
• Northern Fairfield County Association of RealtorsminorGTM or Marketing PartnerAffiliation with the Northern Fairfield County Association of Realtors providing services to members in the real estate industry.
• Bob VilaminorGTM or Marketing PartnerBob Vila is associated with Connecticut Basement Systems through the company's affiliations. Bob Vila was host of This Old House and is a well-known home improvement television personality.
• Ron Hazelton's House CallsminorGTM or Marketing PartnerRon Hazelton has been the Home Improvement Editor for ABC Television's Good Morning America since 1996, reporting on home improvement topics.
• Energy StarminorOthersENERGY STAR is a U.S. Environmental Protection Agency voluntary program that helps businesses and individuals save money through superior energy efficiency. Connecticut Basement Systems products may be ENERGY STAR certified.
• Valley United WayminorOthersValley United Way's mission is to improve lives by mobilizing the caring power of community through raising dollars and inspiring volunteerism.
• School of EntrepreneurshipminorOthersThe Contractor Nation Online School of Entrepreneurship includes complete educational programs and processes for teams to achieve extraordinary results with homeowners.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Groundworks: National, PE-backed platform consolidating basement waterproofing, foundation repair, and crawl space contractors across the U.S. Competes with Connecticut Basement Systems in CT/NY as a scaled multi-brand operator with a much larger marketing budget and national reach.
• Total Basement Finishing: National basement finishing brand that is part of the same dealer network as Connecticut Basement Systems. Overlaps in basement finishing products (EverLast wall panels, ThermalDry flooring, ceiling tiles) and shares a corporate affiliation, making it a network sibling rather than a true head-to-head competitor.

Direct peers

• JES Foundation Repair: Mid-Atlantic based foundation repair and basement waterproofing contractor offering interior drainage, sump pumps, wall anchors, and crawl space encapsulation to homeowners. Direct competitor in the same product categories (waterproofing, foundation, crawl space) and overlapping customer base of residential homeowners in the Northeast U.S.
• Olshan Foundation Solutions: Foundation repair and waterproofing company serving the Mid-Atlantic and parts of the Northeast with wall anchors, pier systems, and basement waterproofing. Comparable services, customer profile (residential homeowners), and warranty-driven sales approach.
• Everdry Waterproofing: Multi-state basement waterproofing franchise with patented interior drainage systems, sump pumps, and foundation repair services for homeowners. Closely aligned product line (interior French drains, sump pumps, wall repair) and lifetime warranty-driven GTM.
• B-Dry Waterproofing: Long-standing basement waterproofing franchise network offering interior drainage systems and sump pump installations to homeowners. Closely comparable in product offering (below-floor perimeter drainage) and target customer (residential homeowners with wet basements) and a historical competitor in the Northeast.
• Power Lift Foundation Repair: Foundation repair and basement waterproofing contractor with operations across the South and Midwest, offering pier systems, wall repair, and waterproofing. Overlapping product portfolio and residential customer base, making it a direct comparable for revenue model and project economics.
• DryZone Basement Systems: Regional Basement Systems affiliate serving the Delaware/Maryland/Virginia area with the same WaterGuard, TripleSafe, CleanSpace, and SaniDry product line. Direct sister-dealer peer sharing the same product ecosystem, training, and warranty infrastructure.
• Acculevel: Regional foundation repair and waterproofing contractor serving the Midwest and select Northeast markets with basement waterproofing, foundation stabilization, and crawl space encapsulation. Comparable product mix, sales-led/DTC GTM, and warranty-backed installation model.

Emerging players

• Healthy Basement Concepts: Regional basement waterproofing and crawl space encapsulation contractor serving parts of the Midwest with CleanSpace-type vapor barriers and sump pump systems. Niche overlap in encapsulation and waterproofing for residential customers, but smaller scale and more limited geographic reach than CT Basement Systems.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/ctbasementsys
• LinkedInlinkedin.com/company/connecticut-basement-systems

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Connecticut Basement Systems