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Your Trusted Partner for Home Remodeling Solutions
K & J Contracting has been a trusted partner in residential remodeling for over 15 years, serving homeowners across Long Island, NY. As a licensed and insured full-service home improvement company, we specialize in transforming living spaces through comprehensive design and build solutions. Our expertise spans major home additions, dormers, kitchen and bathroom renovations, aging-in-place modifications, and energy-efficient green remodeling projects. With a focus on understanding client needs, we provide personalized guidance throughout every project phase, ensuring quality craftsmanship and customer satisfaction.

Our team, led by Jason Nigro, handles projects of all sizes with meticulous attention to detail, from initial design to final execution. We prioritize transparent communication, thorough planning, and minimizing disruptions to client schedules, backed by a strong reputation built through referrals from satisfied customers. Our commitment to excellence is reflected in industry recognition, including prestigious CotY awards and membership in the National Association of the Remodeling Industry.
Services
Additions and Dormers Kitchen Remodeling Bathroom Renovations Aging-in-Place Modifications Green Remodeling
Highlights and features
  • We offer 15+ years of comprehensive residential remodeling expertise
  • Our full-service design and build approach handles projects of all sizes
  • Certified Aging-in-Place Specialists (CAPS) for accessibility modifications
  • BPI Accredited Contractor for energy-efficient home performance solutions
  • Proven track record of minimizing schedule disruptions during renovations
Associations and certifications
  • NARI
  • BPI
What people say
Spot on advice Talented workmen Professionalism exhibited Refreshing to deal with Quality craftsmanship
Services
Additions and Dormers
We design and build custom home additions and dormers that enhance living space while maintaining architectural integrity. Our process begins with evaluating your home's style to create scale-appropriate designs that accommodate changing family needs. Through thorough planning and execution, we ensure structural enhancements that increase functionality and property value while minimizing disruption to your daily life.
Kitchen Remodeling
Our kitchen remodeling service focuses on creating functional, aesthetically pleasing spaces tailored to your lifestyle. We guide clients through budget planning and material selection while maintaining strict attention to workflow optimization and storage solutions. From cabinet installation to countertop selection, our team ensures seamless integration of appliances and fixtures that balance beauty with practicality for everyday use.
Bathroom Renovations
We specialize in transforming bathrooms into modern, efficient spaces that accommodate diverse household needs. Our process includes computer-generated design visualization and careful planning for accessibility features. We implement premium materials like mosaic tile work and heated flooring systems while ensuring proper ventilation and moisture control to create durable, spa-like environments that enhance home value.
Aging-in-Place Modifications
As Certified Aging-in-Place Specialists, we implement home modifications that enable safe, independent living for all ages. Our solutions include installing safety grab bars, modifying countertop heights, and creating first-floor master suites. We focus on universal design principles that maintain aesthetic appeal while improving accessibility through features like walk-in showers and elevator installations.
Green Remodeling
Our green remodeling services enhance home comfort while reducing environmental impact. We implement energy-efficient systems including air sealing, HVAC upgrades, and LED lighting solutions. As BPI Accredited Contractors, we use carbon monoxide testing and performance diagnostics to optimize energy use, delivering lower utility bills and improved indoor air quality through sustainable materials and construction practices.
Questions
What areas do you serve?
We primarily serve Long Island, NY, including Nassau and Suffolk counties, with projects in communities like Seaford, Hicksville, and Long Beach.
Are you licensed and insured?
Yes, we are a fully licensed and insured home improvement contractor operating throughout New York State.
What remodeling services do you offer?
We provide comprehensive residential remodeling including kitchen and bathroom renovations, home additions, aging-in-place modifications, and energy-efficient green remodeling projects.
How do you handle project timelines?
We prioritize transparent communication and schedule coordination, providing advance notice of any changes to minimize disruptions to your daily routine.
Are you certified for aging-in-place modifications?
Yes, our team includes Certified Aging-in-Place Specialists (CAPS) trained to implement accessibility solutions that maintain home aesthetics.
What payment methods do you accept?
We accept major credit cards, checks, and traditional payment methods for our remodeling services.