top of page

About us

Bellport New image.jpg

Welcome to JJK Construction LLC. We are a general contracting company that strives to exceed your expectations. We have built our reputation through personal dedication to each project, customization of services to meet your needs and by never settling for less that the best quality and craftsmanship.

JJK Construction is a single owner-operated construction business that serves the Long Island area. For over 18 years architects, designers and homeowners have entrusted us with their home-building projects. We take pride in providing memorable and positive experiences during every stage of construction.  We commit ourselves to each individual project, no matter the size or budget.  Our team of managers, craftsmen and trade professionals perform at the highest levels of workmanship to provide a superior product in a timely fashion.

New Construction


Throughout both design development and implementation, we commit ourselves to the execution of the architect’s intent and of our client’s wishes. We will help customize your ideas to ensure an efficient and practical building experience, provide budget options, schedules, assistance selecting renewable energy technologies and guide you along with your design choices. 



From demolition to final inspection we work closely architects, designers and homeowners to ensure the construction process is efficient and within budget.  We offer design solutions, schedules and efficient financial planning to satisfy your individual needs.

historical restorations


We are proud to become part of the history and future of every home we restore.  We specialize in restoration and preservation of historical homes.  We provide the knowledge required to perform an authentic conservation of each aspect of your project.

JJK Millwork


Our JJK Millwork Shop provides our customers with custom designs and top of the line interior and exterior finish carpentry.  Our team of talented craftsmen design, restore, build and remodel for your woodworking needs.  Whether you are looking for custom built kitchen cabinets, vanities, storage centers or other casework and installation, our highly acclaimed team will provide you with an outstanding product.


JJK Millwork provides the following services:

Custom Cabinetry             

Custom closets

Windows and door fabrication       

Hardware installation

Interior trim                                 

Wood Restoration and preservation 



Exterior trim                               

Windows and door installation



bottom of page