Home Additions in Islip, NY

Exterior one-story home remodel with cedar shake siding and stone accents by Kuhn Construction in Patchogue, NY

Custom Additions by Design-Build Remodelers in Suffolk & Nassau Counties

Expanding your Islip living space to meet your family’s evolving needs has never been easier with Kuhn Construction. Our design-build home addition services deliver serious upgrades in Suffolk and Nassau Counties. Whether you’re looking to add a luxurious master suite, a spacious second floor, or a cozy sunroom, our expert team specializes in creating custom home addition plans that blend seamlessly with your existing home while providing the features and square footage you need to continue to love your home.

Turn Your House into Your Dream Home With a New Addition

The Kuhn Construction team in Islip, NY is proud to be a design/build firm that has been providing high-quality home additions since 1986. We can help you identify best possible solutions to bring your plans to life.

Calculate the Cost of Your Islip Home Addition

Home Additions FAQs

Why hire Kuhn Construction for your Islip home addition?
Choosing Kuhn Construction means partnering with a proven leader in home additions in Long Island. Since 1986, we have specialized in custom home expansions, offering everything from second floors to in-law apartments with meticulous attention to detail. Our integrated design-build approach ensures we meticulously plan and seamlessly execute every detail of your addition to meet your specific needs. We are dedicated to providing an artful transition from old to new. With Kuhn Construction, you gain a partner committed to turning your vision into a reality, backed by decades of expertise and a profound commitment to customer satisfaction.
Is it worth adding an addition to your home?
Adding an addition to your home is often worth the investment, especially if you love your current location and simply need more space. Home additions can significantly increase the overall value of your property and your property’s value to you. Whether it’s creating additional bedrooms for a growing family, adding a sunroom for relaxation, or expanding the living room for entertaining, each addition is an opportunity to tailor your home to better suit your lifestyle.
I don’t have any plans drawn up yet. Do I need them?
Kuhn Construction in Islip NY, provides for all your design needs, from start to finish. If you don’t have plans, our design-build team will work with you to determine a budget range and then develop designs and plans to fit this range.
We will listen carefully to your wishes, discuss your needs, and suggest budget-related solutions.
Is there a cost for the estimate?
Consultation and estimates are complimentary for Kuhn Construction clients in the Islip, Suffolk & Nassau County areas. Once you let us know that the projected budget range and scope of work are right for you, we will sign a Partnership Design Agreement (PDA) at which time a retainer of 2-4% of the projected range of the estimated budget will be required to move into the design and development phases.
How much will my addition cost?
The cost of a home addition varies widely based on factors such as the size of the addition, the materials used, and the project’s complexity. At Kuhn Construction, we understand that budget is a significant concern for our clients. That’s why we provide a detailed estimate during our initial consultation, considering your specific requirements and the unique aspects of your property. Whether it’s a luxurious new primary bath and bedroom suite or a functional first-floor expansion, we work to deliver the best value while ensuring the highest quality of construction and materials. To get a more accurate idea of the costs associated with your desired home addition in Islip, NY, please contact us for a personalized consultation
Do you offer financing?
Yes, we offer several financing options best suited for your needs.
How long does it take to build an addition?
The timeline for building a home addition varies depending on the complexity and scale of the project. Generally, smaller projects like sunroom additions or bonus rooms can be completed in a few months, while more significant expansions, such as adding a second floor, might take longer. At Kuhn Construction, we start with a complimentary in-home consultation to understand your needs and develop a realistic timeline tailored to your project. Our streamlined process, from design to execution, ensures that we complete your addition as efficiently as possible, with minimal disruption to your daily life, keeping you consulted and informed at every step.
Are your trades certified?

The timeline for building a home addition varies depending on the complexity and scale of the project. Generally, smaller projects like sunroom additions or bonus rooms can be completed in a few months, while more significant expansions, such as adding a second floor, might take longer. At Kuhn Construction, we start with a complimentary in-home consultation to understand your needs and develop a realistic timeline tailored to your project. Our streamlined process, from design to execution, ensures that we complete your addition as efficiently as possible, with minimal disruption to your daily life, keeping you consulted and informed at every step.

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Where We Work

Kuhn Construction proudly serves the following Long Island communities with unparalleled design-build home remodeling.

Don’t see your neighborhood on our list? Check out our full service area here to find out if we work near you.

Start Your Home Addition With Islip's Experts