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Top-Rated Custom home builders in Islip - Updated Nov 2026

Avatar for Arthur DeRosa Building and Remodeling
Arthur DeRosa Building and Remodeling
4.7(
13
)
Find a Custom Home Builder

Serving Islip, NY and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: True professional

"

This is the 2nd major project I contracted Art DeRosa & Co for.  The 1st being 4 years ago a major living room/family room renovation which was hugely successful.  That 1st experience led me to award Art (after several other competitive quotes) this 2nd and far larger & more complex project.







Overall it went well but this was a complicated project encompassing all the typical trades and expertise of building a new luxury house but far more complicated because it was a renovation performed while we were living in the home. Dust partition walls with wood framing had to be erected in several locations in the house which included temporary doors for entering and egress in certain areas of the remaining living areas of the house in order to protect the remaining house from dust and demolition , as well as, provide privacy for us during construction. 

Experience, Experience, Experience and Professionalism, Professionalism, Professionalism are the hallmarks of Art DeRosa and company.  He is a seasoned performer and pretty much seen it all.  Art has such a vast amount of home construction experience in both hi-end and medium end homes that he can draw upon a wealth of knowledge in all construction disciplines to implement a fine finished result.  As a former tool and die maker his penchant for hi-precision finish work yields highest quality appearances to things like moldings; trim; windows; doors; floors; etc. etc. 

This complex renovation project lasted 7 months which was within the initial time estimate given at the beginning and Art DeRosa and team were here every single day, day in and day out,  bright and early during that time frame. He did not start any other projects and stayed on the job day-in and day-out even when other sub-contractors such as plumbers and electricians were on the job site excluding his people from doing any other work. Art DeRosa and team were here every single day until final signoff.

I would not hesitate to recommend Art DeRosa & Co for any planned New House and/or House Renovation of any kind.


"
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+20

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Raza & Sons Construction, Inc.
Raza & Sons Construction, Inc.
5.0(
2
)
Find a Custom Home Builder

Serving Islip, NY and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time1 day
Recommended by100%of homeowners
Avatar for Diamond Craft Builders, Inc.
Diamond Craft Builders, Inc.
New to Angi
Find a Custom Home Builder

Serving Islip, NY and surrounding areas

Approved

In business since 1992

Free estimates

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

Avatar for Classic Construction Inc.
Classic Construction Inc.
5.0(
24
)
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Serving Islip, NY and surrounding areas

In business since 2004

Free estimates

"Classic Construction was the last of 4 estimates I was getting for various work we wanted done. Frank spent close to two hours with us that night going over everything. He was the ONLY person to make suggestions to us that actually made more sense. Frank was at my home when he said he'd be & didn't leave until whatever he was working on was done & everything was cleaned up. I would absolutely recommend Classic Construction.....Frank does beautiful work & he's a really, really nice guy!!"
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+30

Recommended by100%of homeowners
Avatar for MHI Metro Home Improvement
MHI Metro Home Improvement
4.7(
29
)
Find a Custom Home Builder

Serving Islip, NY and surrounding areas

In business since 2007

Free estimates

"First off I live in Queens not Long Island..I got Metro Home Improvements number from someone who used them.. I called Romeo to set up an appointment for an estimate. Not only did he return my call within 15 minutes...he was at my house in Queens within 2 hours...now anyone who would do that gets high a mark from me. Over the years dealing with contractors none had ever responded that quickly...I hired them and I did not regret it. Romeo may have regretted the quote he gave me. My deck isn't big but does have quite a few angles involved and two sets of stairs.. They ripped out the old deck I had for 23 years and reinforced the base structure and started installing the new composite decking on day one ...day two job was completed. They were prompt; curtious and above all neat. I would definitely recommend Romeo and Metro Home Improvement. You will not ne disappointed..Five Stars ...If I could give Ten stars I would..."
After
Before
Levittown NY
Outdoor
#1

+106

Response time4 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Kentstruction
Kentstruction
4.6(
40
)
Find a Custom Home Builder

Serving Islip, NY and surrounding areas

In business since 1981

Free estimates

Emergency services offered

"Once we hired Kentstruction to do our job, Kent told us he would start in 4 weeks and that's exactly when they came. The job was done quickly and efficiently. Kent and his brother Eban were so helpful when it came to making decisions on products and designs. They were always timely and professional and the work they did was excellent. We will hire them again for our next home improvement,."
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+17

Recommended by84%of homeowners
Avatar for Jv custom carpentry
Jv custom carpentry
4.6(
129
)
Find a Custom Home Builder

Serving Islip, NY and surrounding areas

In business since 2012

Free estimates

"I was very impressed with John's knowledge of Carpentry, he had to come up with a solution to replace my linen closet door which was old and did not function anymore , this door could not be purchased at Home Depot etc., John takes pride in his work and I was very happy with the finished product even though it took several months ... John always responded by text to keep me updated about my custom door (back ordered) .. I definitely recommend him .. and will have him back to do other projects for me."
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+78

Recommended by94%of homeowners
Avatar for Al Arsh Construction Corp
Al Arsh Construction Corp
5.0(
10
)
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Serving Islip, NY and surrounding areas

In business since 2001

Free estimates

"Malik at Al-Arsh Construction runs a very professional standard. His contracts are accurate, his prices are fair, and his ability to make the scope of the job efficient and cost saving were well communicated. I have utilized him twice for two major projects on my 150 year old home. You open up a wall and discover ten more repairs. But Malik was accurate in his estimates, and any change of orders were for additional work that I requested as I saw the project develop. His suggestions were based on common sense, and I was always comfortable going forward with any change of orders. Malik scheduled the work and came every day, on time and with the same skilled workers. He was on site often, and managed the work and workers' time very efficiently. The projects were done to perfection and detail and to contract. I like contracts. Malik was also very reasonable and was negotiable to labor costs when I wished to purchase materials myself. Like when I wanted to use a certain wallboard and frame. He is very much a Contractors', Contractor. I come from a family of old Italian contractors and they would be proud that I hired Malik to do the work.
"
Recommended by100%of homeowners
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Custom Home Builders FAQs, answered by experts

The early stages of building a house are harder than the later stages; laying the foundation and framing the house are two of the most challenging steps. However, it varies for everyone. Some people have difficulty installing HVAC, plumbing, and electricity, while others find it harder to plan the house and secure the necessary permits. 

While many different factors determine whether a house is classified as a villa, many villas are detached homes with a European design influence, often with an emphasis on luxury and comfort. Modern villas often feature outdoor spaces such as terraces, gardens, or patios.

Whether it’s more affordable to gut a house than build a new one depends on the markets where you'd be buying and selling. However, it’s usually less expensive to renovate a home than to build new construction. 

Most homeowners pay between $100,000 and $200,000 for demolition and remodeling costs, whereas the average cost to build a new home is between $139,000 and $531,300.

Above all, the downside to building a new house is a longer timeline. You need several months to finish the build, depending on the supply chain and labor availability in the meantime. Building a home compared to buying one is also more expensive, both in the building process and when it comes to mortgage rates and property taxes.

Modular homes are more affordable than stick-built homes if you keep quality and square footage equal. The cost to build a home averages $323,000, while average modular home prices sit at {AvgCost}. If you’re looking for custom or luxury options, a traditional custom home costs $825,000, while a high-end modular home costs $600,000, on average.

The Islip, NY homeowners’ guide to custom home building

From average costs to expert advice, get all the answers you need to get your job done.