Long Island's Trusted Contractor. For 25+ Years
Licensed & insured general contractor serving Nassau & Suffolk County. From foundations to finish work — get your free estimate today.
Our Services
From foundation to finish, we deliver comprehensive construction services with the quality and attention to detail your project deserves.
How We Work
Consultation
We visit your property, discuss your vision, and provide a detailed written estimate — no pressure, no obligation.
Planning
Once approved, we handle permits, material selection, and create a clear project timeline so you know exactly what to expect.
Construction
Our experienced crew executes with precision, keeping your site clean and you informed every step of the way.
Featured Projects
Pool Paver Patio
A complete backyard transformation for a Long Island family. We removed the aging concrete patio and installed custom-cut pavers with a decorative border, creating a resort-style outdoor living space.
Paver Stoop
Custom paver stoop installation featuring precision-cut masonry with clean lines and durable construction. A welcoming entrance built to last.
Epoxy Floor
Professional epoxy floor coating transforming a standard garage into a clean, durable, and polished space. Seamless finish with long-lasting protection.
Asphalt Pavers Driveway
Professional asphalt paver driveway installation delivering a clean, durable surface built to withstand Long Island weather and daily use.
Indoor Pool Renovation
Complete indoor pool renovation transforming an aging pool area into a stunning, modernized space with expert craftsmanship and attention to detail.
Pool Pavers
Premium pool paver installation creating a safe, beautiful poolside surface. Expertly graded for proper drainage with a clean, resort-quality finish.
About JZ Development
Founded by Joseph Zamboli, JZ Development & Management LLC 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.
What Our Clients Say
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"JZ Development transformed our outdated kitchen into a stunning modern space.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.