Superior Basement ✓
Company Background
Connecticut’s trusted experts for basement bathroom additions, waterproofing, and foundation repair
About Superior Basement
Based in Newtown, Connecticut, Superior Basement – a division of M-Squared Superior Waterproofing Technology – has proudly served homeowners throughout Connecticut and Westchester County, NY since 2007. As IICRC-certified basement waterproofing and foundation repair specialists, they combine expert remodeling services with comprehensive moisture control solutions to transform basements into beautiful, functional living spaces.
Basement Bathroom Experts
Adding a basement bathroom is one of the most valuable upgrades you can make to a finished basement. Superior Basement specializes in complete basement bathroom remodeling and additions, handling everything from bathroom layout and planning to plumbing installation, tile work, and code-compliant construction. Whether you’re creating a guest suite, in-law space, or entertainment area, their team delivers durable, high-quality results.
Comprehensive Basement Services
What sets Superior Basement apart is their unique combination of finishing expertise and waterproofing knowledge. They understand that a beautiful basement bathroom requires proper moisture control to last. Their services include basement waterproofing, foundation repair, crawl space encapsulation, sump pump installation, and concrete leveling – ensuring your basement bathroom addition is built on a solid, dry foundation.
Award-Winning Service
Superior Basement has earned an A+ rating with the Better Business Bureau and Top-Rated status on HomeAdvisor. As a FEMA-approved contractor, they meet the highest standards for quality and reliability. With flexible financing options and free estimates, they make basement bathroom additions accessible to Connecticut and New York families.
Basement Bathroom & Remodeling Services
Complete basement bathroom additions and finishing for Connecticut homes
Basement Bathroom Addition
Complete bathroom additions including plumbing, drainage, showers, tubs, toilets, vanities, and fixtures – transforming your basement into functional living space.
Plumbing & Drainage
Expert plumbing installation and drainage systems designed specifically for below-grade bathroom applications, ensuring reliable performance.
Finished Basement
Transform your basement into a beautiful entertainment room, guest suite, home office, or in-law apartment with expert finishing services.
Basement Waterproofing
Comprehensive waterproofing solutions including drainage systems, sump pumps, and moisture barriers to keep your basement dry and protected.
Foundation Repair
Expert repair for cracks, bowing walls, and settling foundations to ensure your basement bathroom is built on a solid, stable structure.
Ventilation & Moisture Control
Proper ventilation, dehumidification, and moisture-resistant materials to maintain a healthy, comfortable basement bathroom environment.
Our Team
IICRC-certified professionals dedicated to quality basement transformations
The Superior Basement Team
The Superior Basement team brings 17+ years of specialized experience in basement finishing, bathroom additions, and waterproofing throughout Connecticut and Westchester County, NY. As IICRC-certified contractors, every team member is trained in the latest moisture control techniques and finishing methods to deliver lasting results.
Their unique combination of remodeling expertise and waterproofing knowledge means your basement bathroom will be built on a solid, dry foundation. From initial consultation through final inspection, the team provides personalized service with attention to detail. Available 24/7/365 for emergencies, they’ve earned their reputation as the basement, foundation, and sump-pump installation experts in local communities throughout the region.
Service Areas
Expert basement bathroom additions throughout Connecticut and Westchester County, NY
Stamford
Complete basement bathroom remodeling and waterproofing services for Stamford and lower Fairfield County homeowners.
Greenwich
Premium basement bathroom additions and finishing for Greenwich’s finest residential properties.
Fairfield & Norwalk
Expert basement remodeling services throughout Fairfield, Norwalk, and surrounding coastal Connecticut communities.
Newtown & Danbury
Headquarters area serving Newtown, Danbury, Bethel, and northern Fairfield County with basement bathroom solutions.
Westchester County, NY
Full basement bathroom and waterproofing services for White Plains, Yonkers, New Rochelle, and all of Westchester County.
All of Connecticut
Serving 250+ communities throughout Connecticut from Hartford to New Haven to the shoreline and beyond.
Frequently Asked Questions
Common questions about basement bathroom additions with Superior Basement
Basement Bathroom Questions
Essential information about adding a bathroom to your basement
Why add a bathroom to my basement?
Adding a basement bathroom increases home value, provides convenience for guests and family, is ideal for basement apartments or guest suites, and makes better use of finished basement space. Whether you’re creating an entertainment area, home office, or in-law suite, a professionally built basement bathroom adds comfort and long-term value to your home.
Why choose Superior Basement for basement bathroom additions?
Superior Basement brings 17+ years of experience combining expert finishing work with comprehensive waterproofing knowledge. As IICRC-certified contractors with an A+ BBB rating and HomeAdvisor Top-Rated status, they ensure your basement bathroom is built on a solid, dry foundation. They’re also FEMA-approved and offer flexible financing options.
What’s included in basement bathroom remodeling?
Superior Basement handles every aspect including bathroom layout and planning, plumbing and drainage installation, shower/tub/toilet installation, vanity and fixtures, tile flooring and moisture-resistant walls, ventilation and lighting, and code-compliant construction. From simple half baths to full bathrooms with showers, they deliver durable, high-quality results.
What basement bathroom design options are available?
Superior Basement offers guest and in-law suite bathrooms, full bath installations with showers, compact half baths, and designs ranging from modern and traditional to spa-style. They tailor your basement bathroom to match your style, needs, and budget while ensuring proper waterproofing and moisture control.
Does Superior Basement offer financing?
Yes, Superior Basement offers financing options to make basement bathroom additions affordable. They also provide free estimates so you can understand project costs upfront. As a licensed and insured contractor serving Connecticut and Westchester County since 2007, they’re committed to customer-friendly pricing and transparent service.
Client Success Stories
Real experiences from Connecticut and New York homeowners
Resources & Getting Started
Learn more about basement bathrooms and schedule your free estimate