TCR Builders
Trusted general contractor for custom home additions and extensions
Transform your current house into your dream home. Serving Nassau and Suffolk for 20+ years, we master structural expansions and second-story additions—managing every detail from permits to premium finishes.
Real Homes. Ultimate Transformations
Take a look at our latest custom home additions in Nassau and Suffolk.
Years Experience
Investment Projects
Clients Support
Expertise
Why choose a specialized general contractor for your expansion?
Adding to a home is far more complex than most homeowners realize. It demands deep knowledge of local zoning laws, structural engineering, and precise framing techniques that integrate seamlessly with existing foundations. TCR Builders isn’t simply a renovation company—we’re a full-service general contractor managing the entire lifecycle of your project.
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From initial feasibility assessments through final inspections, we ensure that new structures align perfectly with your home’s existing architecture, plumbing, and electrical systems. Our 20 years of experience across Nassau and Suffolk County means we understand the unique building codes and permit requirements that govern Long Island construction. We coordinate with architects, engineers, and inspectors to deliver expansions that are not only beautiful but structurally sound and compliant with all local regulations.
Structural expertise
Local zoning knowledge ensures compliant, seamless expansions
Engineering precision
Framing techniques that integrate with existing foundations
Full-service management
We coordinate permits, inspections, and all regulatory requirements
Services
Expert home expansion services
Ground-level additions that add real value
Ground
Home extensions for every need
Rear extensions, side additions, master suites, family rooms
Vertical
Second floor additions
Double your living space on smaller lots efficiently
Attic
Dormers and shell conversions
Rear extensions, side additions, master suites, family rooms
Remodel
Garage
conversions
Transform underutilized storage into high-value living space.
Interior
Complete interior transformations
A new addition deserves modern interiors to match
Kitchen remodeling for modern living
Open concept designs, custom cabinetry, islands
Bathroom renovations with spa-likes finishes
Master en-suites, modern plumbing, luxury details
Basement finishing for extra living space
Recreational spaces, home theaters, storage solutions
Expert roofing for complete weather defense
Reliable roof replacements that ensure lasting durability for your property
Process
From concept to construction
We guide you through every phase with transparency and expertise. Your vision becomes reality through careful planning and skilled execution.
Consultation and feasibility assessment
We evaluate your property, budget, and expansion possibilities thoroughly
Design and permit acquisition
Architectural plans and complex paperwork handled across Nassau and Suffolk
Construction and project management
Expert framing and building with minimal disruption to your home
Final completion and satisfaction guarantee
Walkthrough inspection and your peace of mind guaranteed
Projects
Our Recent Projects
Browse our portfolio of custom home extensions and renovations in Nassau and Suffolk County. See why neighbors in Garden City, West Babylon, and beyond trust us with their dream homes.
Halesite
Home Extension / Addition
Bayshore
Home Extension
West Babylon
Second Floor Addition
Freeport
Custom Home
Levittown
Second Floor Addition
Levittown
Second Floor Addition
Halesite
Home Extension / Addition
Bayshore
Home Extension
West Babylon
Second Floor Addition
Freeport
Custom Home
Coverage
Long Island
We serve Garden City, Mineola, West Babylon, Valley Stream, Rockville Centre, Williston Park, and throughout Nassau and Suffolk Counties with dedicated expertise
Nassau
Garden City, Mineola, Valley Stream, Rockville Centre, Williston Park
Suffolk
West Babylon and surrounding communities throughout the county
Regional
All of Long Island served with local knowledge and expertise
Testimonial
What our clients say
Real experiences from homeowners who expanded their living space
Coverage
Ready to expand your living space
Contact TCR Builders today for a feasibility consultation and let’s discuss your home addition project