Renovation & Remodeling

Serving Suffolk County, NY

Money-Saving Offers

1-Year Workmanship Warranty

Over 30 Years of Experience

Request Consultation

Hero Request Form

Our Services Include:

  • Dormers and Home Extensions: Add space and value to your home with custom-built additions.
  • Kitchen Remodeling: Upgrade your kitchen for improved function, style, and overall efficiency today.
  • Bathroom Remodeling: Turn your bathroom into a modern, relaxing retreat.
  • Basement Remodeling: Maximize your home’s potential with a beautifully finished basement.
  • Custom Carpentry and Decks: From trim work to decks, our carpentry services bring your vision to life.
  • Flooring Installation and Refinishing: Hardwood, tile, or vinyl, we do it all with precision and care.
  • Door and Window Installation: Improve energy efficiency and curb appeal.
  • Commercial Projects:
  • Medical office renovations
  • Restaurant remodeling
  • Retail space updates


Let’s build something amazing together!

Beige house with stone accents, light tan garage doors, and manicured lawn.

Renovating and Remodeling with the Pros


Islandwide Contracting LLC is your trusted partner for renovation and remodeling projects in Suffolk County. With over three decades of experience, we've been turning dreams into reality for homeowners and businesses alike. Our team of skilled professionals is dedicated to delivering exceptional craftsmanship and personalized service, ensuring that every project meets our clients' unique needs and exceeds their expectations.

We offer free consultations and estimates to help you make informed decisions. Our comprehensive services cover everything from design and planning to project management and final touches. As a family-owned and locally operated business, we take pride in our work and stand behind it with a 1-year warranty on workmanship. Request a consult today.

Why Choose Islandwide Contracting LLC


1-Year Workmanship Warranty

Fully Licensed and Insured

Free Consultations and Estimates

Over 30 Years of Experience

Islandwide Contracting LLC

Home Additions

Expand your living space with our home addition services. From single-room additions to multi-story expansions, we can help you create the extra space your family needs. Our team works closely with you to design an addition that seamlessly blends with your existing home's architecture and meets all local building codes.

Dormers & Extensions

Add valuable living space to your home with our dormer and extension services. We transform attics into cozy bedroom or extend ground floors for larger living area. We handle all aspects of the project, from design to obtaining necessary permits, ensuring a seamless and stress-free addition to your home.

Kitchen Remodeling

The heart of your home deserves special attention. Our kitchen remodeling services can transform your cooking space into a functional and beautiful area that reflects your style. From cabinet upgrades to complete layout changes, we'll work with you to create a kitchen that enhances your home's value.

Bathroom Remodeling

Create the bathroom of your dreams with Islandwide Contracting. Whether you're looking for a spa-like retreat or a modern, efficient space, our team can bring your vision to life. We'll guide you through selecting fixtures, tiles, and finishes that match your style and budget.

Basement Remodeling

Transform your underutilized basement into a functional and inviting space. Our basement remodeling services can turn that dark, damp area into a cozy family room, home office, or entertainment zone. We'll handle everything from waterproofing to lighting, ensuring your new space is comfortable and dry.

Garage Conversions

Turn your underused garage into a functional living space. Whether you're dreaming of a home gym, a guest suite, or a hobby room, we can convert your garage into a comfortable, integrated part of your home. Our conversions include proper insulation, electrical work, and finishing touches to make the space feel like it's always been part of your house.

Custom Closets

Maximize your storage space with our custom closet solutions. We design and build closets that cater to your specific needs, whether it's a walk-in closet for your master bedroom or an organized space for your home office. Our custom closets blend functionality with style, helping you keep your space tidy and efficient.

Windows

Enhance your home's energy efficiency and curb appeal with our window installation services. As Anderson certified contractors, we offer a wide range of high-quality windows to suit any style or budget. Our professional and expert team ensures proper installation for optimal performance and longevity.

Military, Veterans, & First Responders Get 10% Off

To show our appreciation for their service, military personnel, veterans, and first responders get 10% off.

Start Saving Today

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(631) 452-5047

Senior Citizens Get 10% Off

Senior citizens aged 65 and older get 10% off any service.

Unlock Your Savings Today

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(631) 452-5047

Recent Blog Posts

kitchen remodeling
March 31, 2026
Discover what to expect from a 4-month kitchen remodeling project and learn how each phase of the process unfolds so you can plan and prepare with confidence.
Kitchen with brown cabinets, granite countertops, stainless steel appliances, and bar seating.
May 12, 2025
Hiring a professional home remodeling company ensures that your kitchen remodel is completed safely while saving you money long-term!
A kitchen with dark wood cabinets, granite countertops, an island, and stainless steel appliances.
September 22, 2023
A kitchen renovation is a great way to improve your home’s quality and functionality. Let’s look at some ways you can prepare for your upcoming renovation.
Spacious cream-colored kitchen with island, stainless steel appliances, wooden floor, and built-in shelves.
March 1, 2023
Kitchen and bath remodeling projects are some of the most beneficial renovations you can make. Here are some surprising benefits!
Modern kitchen with a large island, pendant lights, stainless steel appliances, and hardwood floors.
December 21, 2022
When you are making changes to your kitchen, it's important to hire contractors. Here are the reasons why kitchen contractors are important.
Man on a ladder painting brown trim around a window on a wooden house.
November 4, 2022
If you've hired a professional home painting service for the first time, read on to learn what you can expect during your project.
Spacious bathroom with wood cabinets, tile floors, and a raised bathtub area.
November 3, 2022
Are you considering a bathroom restoration project? Now is the time! Check out these three great mid-range bathroom remodeling projects.
Painter on a ladder, painting the exterior of a light-colored house, blue sky in the background.
August 31, 2022
Various trends in home painting services have surfaced over the years. Read this blog to learn about the top three insights.
Paint cans of various colors with a paintbrush and a color swatch fan.
July 5, 2022
Check out our post to learn how to prepare for home painting services. Contact us to get started with your needed painting services.
Spacious modern bathroom with glass shower, soaking tub, and white vanity; neutral tones, mountain view.
April 20, 2022
A bathroom contractor is a great resource for transforming your home and may inspire you to make more changes in the future.
Show More
Three overlapping speech bubbles with dots inside, suggesting a conversation.

Here's what our satisfied customers are saying...

At   Islandwide Contracting LLC, we take pride in providing exceptional general contracting and building services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Islandwide Contracting LLC and let others know what you think.