Service Areas
Long Island’s Premier Custom Home Builder & General Contractor
Long Island’s Trusted Construction Partner
At John J Contracting, we are proud to be one of Long Island’s premier custom home builders and full-service general contractors. For over 30 years, our team of skilled artisans and project managers has delivered exceptional craftsmanship, structural integrity, and dedicated service to homeowners and businesses across the region. Whether you are planning a complete kitchen overhaul, a custom home build, or intricate masonry work, we bring your vision to life with unvarying quality and meticulous attention to detail.
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Custom Builders & Remodelers on Long Island
Building or renovating a home on Long Island requires a contractor who understands local architectural styles, village zoning laws, and coastal building demands. At John J Contracting, we combine decades of hands-on experience with a deep commitment to our local communities. From historic shoreline estates to modern suburban residences, we approach every project as a true partnership. We handle every phase of construction from initial blueprint development to final walkthroughs, ensuring your investment is protected and your expectations are exceeded.
Comprehensive Contracting Services for Every Project
We offer a full spectrum of residential and commercial general contracting services designed to meet all your construction needs.
CUSTOM BUILDERS
Executing ambitious architectural vision requires precise engineering, specialized craft, and seamless job site management. As master custom builders, we handle complex structural additions, multi-room property expansions, and commercial build-outs with total precision.
CUSTOM BUILT HOMES
Building a custom home from the ground up is the ultimate way to bring your personal vision to life. From initial blueprint development and foundation work through framing and fine interior carpentry, we guide you seamlessly through every phase of constructing your dream home.
COMPLETE HOME REMODELING
When your entire residence needs a cohesive transformation, we provide complete interior and exterior house overhauls. We harmonize architectural details, improve spatial flow, and update structural elements to elevate your home's total comfort, style, and market value.
MASONRY WORKS & STONEWORK
Boost your home’s structural durability and outdoor living appeal with expert stone and brick artistry. We design and construct custom stone patios, outdoor fireplaces, structural retaining walls, custom entryways, and chimney stonework built to endure Long Island weather.
COMPLETE KITCHEN REDESIGN
As the heart of the home, your kitchen deserves a balance of safety, function, and luxury. We execute full layout transformations, custom cabinetry installations, high-end countertop fittings, and tailored lighting to revive aging kitchens and create a modern focal point for your family.
BATHROOM REMODELING
We turn everyday bathrooms into elegant, comfortable, and highly functional retreats. Whether you are seeking a sleek modern upgrade, an accessible age-in-place design, or a luxury spa-like master bath, our team optimizes your space using top-tier fixtures and custom tile work.
RE-IMAGINE EVERY ROOM!
Interior design trends and family dynamics evolve. Our interior renovation services breathe new life into underutilized or outdated spaces—from custom-built wall paneling, wet bars, and butler's pantries to dedicated home theaters, bedrooms, and finished basements.
Serving Nassau & Suffolk Counties
Our primary service territory spans both Suffolk County and Nassau County. We understand the distinct character of Long Island neighborhoods—from North Shore coastal villages to bustling suburban communities—and we tailor our construction methods to fit the specific requirements of each municipality and site. We proudly serve clients throughout Nassau County and Suffolk County of Long Island, including:
- Asharoken
- Brookville
- Centerport
- Cold Spring Harbor
- Commack
- Eatons Neck
- Greenlawn
- Huntington
- Huntington Bay
- Lloyd Harbor
- Mount Sinai
- Northport
- Port Washington
- Roslyn
- Sands Point
- Smithtown
Seamless Local Permitting and Code Compliance
Navigating local building codes, village boards, and environmental regulations on Long Island can be complex. Each municipality—from the Incorporated Village of Lloyd Harbor to the Town of Huntington—has specific guidelines for setbacks, lot coverage, and structural standards. John J Contracting handles the administrative burden for you. We work closely with local building departments, architects, and engineers to secure all necessary permits, schedule inspections, and keep your build fully compliant and on schedule.
Why Long Island Homeowners Choose John J Contracting
Choosing the right general contractor is the most important decision you will make for your construction project. Long Island homeowners trust John J Contracting because we stand by our founding promise: Valuable Service, Unvarying Quality.
Over 30 Years of Proven Experience
Decades of successful builds across Suffolk and Nassau counties.
Dedicated In-House Artisans
A seasoned team of skilled tradesmen who take pride in fine architectural details.
End-to-End Project Management
We manage permits, inspections, subcontractors, and timelines so you can sit back and watch your project take shape.
Transparent Communication
Clear consultations, honest pricing, and clear timelines from day one.
Schedule Your Consultation Today
Ready to begin your next construction or home remodeling project? Partner with Long Island’s trusted custom home builder and general contractor. Call our office today to speak with our team and schedule your complimentary consultation.
