Licensed Florida Certified General Contractors

Mike has a keen eye for details. No cutting corners. We want to be your contractor and remodeling/renovation and home improvement company you turn to for all your construction needs. 

Selecting a dependable and reliable general contractor is the single most important thing to assure that a project is finished on time, within budget and the way you pictured it. Our company was founded in 2005, but we have been serving South Florida for over 24 years. We strive to provide our clients the best quality service possible to gain their full satisfaction. They have shown their appreciation by coming back to us repeatedly. Whether you are looking to do a bathroom remodel or a full renovation, we are here to assistant in all your construction services. Kitchen remodeling does not have to be a headache if you work with the right contractor.

Are you looking for a reliable general contractor to ensure that your project is completed as per your requirement, time, and budget? Let us help you. Jemstone Construction is a full-service licensed general contractor and home improvement specialist in Boca Raton and South Florida.

Michael Marzano

Michael Marzano is the ​president and founder of Jemstone Construction Group, Inc. Since 1995, he has been a licensed Florida certified general contractor. Mike has over 27 years of experience combined with New York and Florida. He has a keen eye for detail, leaving and leaves no cutting corners to fulfill your needs.

Debbie Marzano

Debbie is the vice president and founder of Jemstone Construction Group, Inc. She runs the office and manages appointments.

Julio Bonilla

Julio is our field employee who has been with us for ten years.

Why Choose Us


Jemstone Construction Group, Inc.

We value engineers and strive to save your money by performing the job right the first time. No matter if your project is small or large, we treat all projects with the utmost importance to deliver unprecedented results. Whether you need assistance to complete your current or future projects, our company can handle it, ensuring excellent results.


Jemstone Construction Group, Inc.

We have dedicated ourselves to offering you the highest level of service so that you can choose us for all your construction and remodeling needs. We pride ourselves on our excellent workmanship and attention to detail.


Jemstone Construction Group, Inc.

Thanks to our many years of industry experience, we can assure you that your project is in the best of hands. We promise always to offer value and outstanding service, regardless of the size or difficulty.