
Built Right.Built to Last
Exceptional construction, masonry, and renovations across Nassau and Suffolk.
What Can We Build?Our Services
Swipe through the work we do best.
As a licensed general contractor on Long Island, JZ Development provides full-service construction solutions across Nassau County and Suffolk County. Our team specializes in masonry and stonework, concrete foundations, complete home renovations, kitchen and bathroom remodeling, epoxy flooring, and new construction. With over 25 years of combined experience and a commitment to quality craftsmanship, we handle every project — from stoop repairs and paver patios to gut renovations and ground-up builds. Whether you're a homeowner planning a renovation or a business owner in need of structural repairs, we deliver reliable results on time and on budget. Contact us today for a free estimate.
Three Steps.
Zero Guesswork.How We Work
Consultation
Walk-through + clear estimate.
We visit your property, discuss your vision, and provide a detailed written estimate — no pressure, no obligation.
Planning
Materials, permits, timeline.
Once approved, we handle permits, material selection, and create a clear project timeline so you know exactly what to expect.
Construction
Expert build. Clean finish.
Our experienced crew executes with precision, keeping your site clean and you informed every step of the way.
Built to Be Seen
Drag the before/after. Swipe for more.
Built for Bigger WorkOpen to Bid and Subcontracting Opportunities
Commercial, public-sector, and subcontracting scopes across Long Island.
JZ Development welcomes public-facility, commercial-property, subcontracting, repair, and facilities-maintenance inquiries across Nassau and Suffolk Counties. Concrete, masonry, site improvements, coatings, and renovation-support scopes are considered.

Local. Experienced.
Accountable.
Joseph Zamboli leads every project with 25+ years of combined experience and one standard: do it right.
Founded by Joseph Zamboli, JZ Development is a locally owned and operated general contracting company serving all of Long Island. With over 25 years of combined experience in the construction industry, we bring expertise, reliability, and a commitment to quality to every project.
From small repairs to complete renovations and new construction, we treat every job with the same level of professionalism and attention to detail. Our goal is simple: deliver exceptional results that exceed your expectations.
Work That Gets Talked About
We take pride in delivering quality work and exceptional service to every client.
"JZ Development transformed our outdated kitchen into a stunning modern space. Their attention to detail and professionalism exceeded our expectations."
Michael R.
Nassau County
Kitchen Remodel
"We hired Joe to redo our driveway and the concrete apron in front of the garage in Massapequa. The difference is unbelievable. It's smooth, drains properly, and looks brand new. He explained everything clearly and the job was done exactly when he said it would be."
Brian L.
Massapequa
Driveway & Concrete
"From start to finish, the team was professional, communicative, and delivered exceptional quality work on our foundation repair project."
Sarah K.
Suffolk County
Foundation Repair
"Our front brick stoop in Smithtown was falling apart and honestly unsafe. Joseph rebuilt it from the ground up and it looks better than when the house was new. Solid work and super clean job site."
Denise K.
Smithtown
Brick Stoop
"The epoxy flooring in our garage looks incredible. Clean work, fair pricing, and they finished ahead of schedule. Highly recommend!"
James T.
Long Island
Epoxy Flooring
"Joe put an epoxy floor in our garage in Farmingdale and we're obsessed with it. It's clean, glossy, and easy to maintain. The garage actually feels like a finished space now instead of a storage dump."
Anthony P.
Farmingdale
Epoxy Flooring
"Joseph did the pavers around our pool and built a fire pit at our home in Sayville. Everyone who comes over asks who did the work. The stone lines up perfectly and it just feels built right."
Lauren S.
Sayville
Pool Pavers & Fire Pit
"We had water issues and needed a new cellar entrance in Huntington Station. Joe handled everything and made it stress-free. No shortcuts, no surprises, just solid work and great communication."
David M.
Huntington Station
Cellar Entrance
Ready to Start Your Project?
Get a free quote for your next construction project. We're here to bring your vision to life with quality craftsmanship and reliable service.













