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

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

Serving Coram, 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 Coram, 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 Granville House Victorians L.L.C.
Granville House Victorians L.L.C.
5.0(
1
)
Find a Custom Home Builder

Serving Coram, NY and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"Granville House Victorians L.L.C. is extremely skilled and professional. My Victorian style house came out better than I could have dreamed. Granville took care of everything and they are extremely knowledgeable in what they do."
rose gardens"ChristmasCT"
rose gardens"ChristmasCT"
rose gardens"ChristmasCT"
432 East ave. Riverhead
side with caboose

+12

Response time5 hrs
Recommended by100%of homeowners
Avatar for Diamond Craft Builders, Inc.
Diamond Craft Builders, Inc.
New to Angi
Find a Custom Home Builder

Serving Coram, 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
)
Find a Custom Home Builder

Serving Coram, NY and surrounding areas

In business since 2004

Free estimates

"Classic Construction Inc. is an impressive company to work with. They were always punctual, extremely professional with quality workmanship in every aspect of the roof replacement of my home, to the point of my again contracting Classic Construction Inc. to also upgrade my kitchen. I am very pleased with the outcome. They can take great pride in their professionalism and quality of their workmanship.  
  I have since recommended Classic Construction to many of my friends, all of whom are also extremely pleased with their professionalism, pricing and workmanship .
"
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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 Coram, NY and surrounding areas

In business since 2007

Free estimates

"Romeo performed an emergency roof repair and dealt with the problem to it's conclusion. He is a man of his word. I subsequently hired him to do brickwork on my home. Both jobs were done professionally to my satisfaction. I recommend Romeo."
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 Coram, 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
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Custom Home Builders FAQs, answered by experts

Renovating or remodeling an existing structure is usually less expensive than the cost to build a new house. That’s because you can save on the costs of new building materials, laying a foundation, framing the entire building, and installing new materials and utilities throughout the house. However, if a home is in very poor condition or is incredibly old, you could spend more on upgrades and restoration compared to building from scratch.

The average cost to renovate or remodel a home is $52,300, with most projects ranging from $19,500 to over $88,400. However, costs can vary significantly, from as low as $3,000 for a small project to $170,000 or more for a complete home remodel.

Several factors influence the total price, including:

  • Project Scope and Size: The extent of the renovations, whether it's a single room or the entire house.

  • Location: Geographic location affects labor and material costs.

  • Materials: The quality of materials chosen.

  • Room Type: Kitchen remodels ($14,500 - $70,000+) are generally more expensive than bedroom remodels ($1,500 - $5,500).

  • Other Factors: The time of year, complexity of the work, and any additions or expansions.

On a per-square-foot basis, you can expect to pay between $15 and $60 for standard projects and up to $150 for luxury renovations.

Examples of specific project costs include:

  • Basement remodel: ~$20,200

  • Garage remodel: ~$27,900

  • Loft conversion: ~$20,200

  • Disability accommodation remodel: ~$4,300

  • Major home repairs: ~$11,700

If you are financing the project, note that some loan programs, like the FHA 203(k), may require a minimum project cost (e.g., $5,000) and will necessitate a home appraisal and professional cost estimates. Using a home renovation cost estimator can also help you budget for your project.

One starting point to find a local home builder is to collect suggestions from friends and neighbors. However, it’s still wise to do some more research before you hire a builder. Read reviews to supplement any word-of-mouth recommendations. Check sources like Angi that have standards and criteria in place to screen the pros it lists can also help you find more reputable local home builders.

Construction typically takes 3-6 months, including site preparation and assembly.

Yes, a home builder or contractor should have the proper licensing and insurance. Licensing requirements vary by state and municipality, but most states mandate that a builder holds at least a general contractor’s license. For specialized work such as plumbing, electrical, roofing, or sewage systems, individual licenses may be required, in which case the builder may subcontract the work. You can use Angi’s state licensing tool to review your local guidelines and confirm a builder's credentials. As you browse professionals, you can also look for the “Angi Certified” badge. This indicates the business meets our certification standards, which include passing a criminal background check, holding applicable state and local licenses, and maintaining an average rating of 3.0 or better.

The Coram, NY homeowners’ guide to custom home building

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