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The Best Home Addition Contractors in Long Island, New York

9 Min Read

Long Island, New York is a place of diverse landscapes, from its serene shores to its vibrant urban centers. It’s a region that embodies the quintessential American dream, offering its residents picturesque suburban living with simultaneous access to the cultural and economic opportunities of New York City. 

If you’re a homeowner in Long Island and considering a home addition, you’re in the right place. In this guide, we’ve carefully curated a list of the best home addition contractors in Long Island, New York. These professionals have been selected based on their exceptional portfolios, unmatched expertise, glowing customer reviews, and industry acclaim. Whether you’re hoping for more space, a new room, or an entire home transformation, the contractors on this list have the skills and dedication to exceed your expectations and deliver the home of your dreams.


Irwin Contracting Inc.

671 Old Willets Path, Hauppauge, NY 11788

Established in 1986, Irwin Contracting Inc. operates as a comprehensive general contracting business catering to the construction needs of the New York metropolitan area. The company, known for its talented workforce, unwavering commitment to excellence, and meticulous attention to detail, has contributed to the design and development of buildings and homes spanning from Long Island to New York City and beyond. Its reputation positions it as a valuable resource for design-build and construction services in today’s high-performance working and living environments. Its expertise spans a broad spectrum, encompassing commercial construction and management, as well as home building and remodeling. 

A testament to its dedication, Irwin Contracting is affiliated with the National Association of the Remodeling Industry and the Long Island Builders Institute. Meanwhile, its commitment to quality is underscored by its recognition as a 2017 Qualified Remodeler Top 500 Remodeler.


Center Island Contracting, Inc.

95 Florida St., Farmingdale, NY 11735

Center Island Contracting, Inc. specializes in designing and building projects that incorporate an extremely thoughtful process of balancing form, function, and longevity to create personalized solutions for clients. Its sequence of operation and detail-focused approach ensures valuable results for every completed project. This mission is led by President Caleb Haniquet, who brings over 25 years of experience in designing, renovating, improving, and building homes throughout Long Island. He holds a degree in sociology from the University of Albany, SUNY, with minors in criminal justice and psychology, underscoring his commitment to understanding clients’ needs.

Affiliations with the National Kitchen and Bath Association and the Interior Design Society demonstrate Center Island Contracting, Inc.’s commitment to industry standards and design excellence. The firm has also been recognized through receiving awards like the 2022 Gold award for Residential Kitchens of $60,001 to $100,000 at the PRO New York Remodeler of the Year Awards Gala. With press coverage in Expertise, it showcases its skill and craftsmanship in the construction and design industry.


G. B. Construction and Development, Inc.

870 Marconi Ave., Unit 1, Ronkonkoma, NY 11779

G. B. Construction and Development, Inc., a family-owned and operated company, has been dedicated to crafting new homes and enhancing existing ones in Nassau and Suffolk Counties since 1986. It is immensely grateful for its clients’ trust in allowing it to transform their visions into reality. As it has done this, it has cultivated enduring friendships and garnered recognition through numerous home remodeling accolades. This includes the 2020 National Association of the Remodeling Industry (NARI) Residential Addition award, ranging from $100,000 to $250,000. It has also been featured in publications like House Magazine and Dan’s Papers

At the helm of G. B. Construction and Development is President Gary Bechhoff, who has over 37 years of industry expertise. He is a NARI member and holds an associate’s degree in business administration and management from Farmingdale State College. Under his leadership, G. B. Construction is affiliated with organizations like NARI and the Long Island Builders Institute, reinforcing its commitment to industry standards and ethics. 


Kuhn Construction, Inc.

417 Main St., Suite A, Islip, NY 11751

An inventive home remodeling specialist, Kuhn Construction, Inc. has served Islip, Brookhaven, and their neighboring areas since 1986. It excels in various home improvement services, such as kitchen and bathroom remodeling, as well as home additions. This team of well-trained remodeling experts is equipped to handle it all, from initial design concepts to professional installations. 

The firm is guided by Jeffrey Kuhn, the owner, who initially ventured into roofing and siding while on leave from teaching high school English in 1986. With a Master’s in Administration from St. John’s University and a degree in secondary education and teaching from Concordia University Chicago, his journey reflects the company’s dedication and expertise to every project. Affiliated with reputable organizations like the Better Business Bureau and Energy Star, Kuhn Construction strives for excellence and is recognized with accolades including the 2022 Guildmaster Award by GuildQuality. Some of its projects and insights are also featured in Greater Long Island.


Forst Construction, Inc.

26 Gingerbread Ln., East Hampton, NY 11937

For three generations, Forst Construction, Inc. has built its reputation on a commitment to quality and client satisfaction. Known for its unwavering dedication to every project it undertakes, its track record speaks for itself. The company has cultivated countless relationships over the years, with much of its work coming from referrals and loyal clients who return repeatedly. Owner Michael Forst, a third-generation builder, oversees every aspect of the firm’s projects, promising peace of mind for the clients’ experience. 

Forst Construction’s reputation is bolstered by its long-standing affiliations in the industry with the National Association of Home Builders and the Long Island Builders Institute. While the company’s dedication has earned recognition in publications like Hamptons Magazine, the trust and satisfaction of its clients truly drive the team forward. 


My Boys Contracting

487 Lombardy Blvd., Brightwaters, NY 11718

My Boys Contracting, a Long Island-based company with over 40 years of experience, traces its roots back to 1978, when George Myhre founded the firm and named it after his four sons. Today, it is a third-generation, family-owned and operated enterprise, with Kevin and Dan, George’s grandsons, now steering the ship. Kevin, the owner and vice president of sales and marketing, offers extensive experience and a biochemistry degree from Manhattan College. Along with Dan, he offers comprehensive support from project inception to completion, ensuring his clients’ visions become realities, all while making the construction journey enjoyable. 

Affiliated with NARI and the Professional Remodeling Organization in New York, My Boys Contracting consistently produces quality work. While it has garnered industry recognition for its excellence, its primary focus is delivering exceptional service to its beloved clients, rather than collecting awards.


Precision Builders of Long Island, Inc.

4211 Merrick Rd., Massapequa, NY 11758

Precision Builders of Long Island, Inc. has been at the forefront of high-quality home and commercial space construction since 1986. With a three-decade legacy of service to Nassau and Suffolk County, it has redefined the industry by merging top-tier craftsmanship with contemporary methods and materials. Precision Builders is responsible for creating more than 500,000 square feet of property, demonstrating an unwavering dedication to developing the finest real estate.

Guided by its founder and president, Vincent Paci, who brings over 30 years of construction experience to the table, Precision Builders of Long Island, Inc. continues to shape Long Island’s architectural landscape with its commitment to excellence. It remains deeply rooted in the industry’s network, through affiliations with NARI and the Professional Remodeling Organization of New York. A testament to its outstanding projects, the firm’s work has garnered recognition in publications likeThe Island 360.


Great Additions Construction Co.

3065 Hempstead Tpke., Levittown, NY 11756

Great Additions Construction Co. is a licensed and insured construction company that extends its services to Nassau and Suffolk Counties. Founded by Howard Gumpel, a seasoned builder with more than 33 years of experience in the construction and remodeling industry, the firm is committed to delivering exceptional customer service and the finest craftsmanship to meet the unique needs of its clients. 

With Howard Gumpel at the helm, a dedicated builder with over 38 years of experience in construction and remodeling, the company continues to strive for excellence, ensuring its clients’ construction and remodeling needs are in capable hands. As an EPA-certified Lead-Safe firm, Great Additions Construction Co. maintains strong affiliations and adheres to high industry standards for safety and quality.