Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in Coram, NY

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Addition to existing structure builders in Coram

Avatar for Arthur DeRosa Building and Remodeling
Arthur DeRosa Building and Remodeling
4.7(
13
)

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.


"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Alta Renovations Corp
Alta Renovations Corp
5.0(
26
)

Serving Coram, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Warranties offered

"Excellent! Alta Renovations did my bathroom from the studs out. Tile, sheetrock, floor, vanity and the plumbing and towel hardware. The job was was in a co-op, with very frustrating "rules" and "requirements ". Most contractors would not want to participate (paperwork, time schedules and parking restrictions). Jose, the owner of Alta, abided by all the rules, whiles still keeping a smile!!! His workers worked neatly and orderly, knew exactly what had to be done, and did it. Very pleased. I'm recommending him to all my ? ? ? ? ?"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+26

Response time8 hrs
8 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Cocos Custom Building LLC
Cocos Custom Building LLC
4.8(
8
)

Serving Coram, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Warranties offered

"We hired Coco’s Custom Building on 2 separate occasions. We needed our roof redone and later decided to hire them to replace a dozen windows in our home. The owner Keith provided us with a great quote each time and was able to schedule the work right away. Any questions or concerns I had were addressed immediately which made the renovation go smoothly. I would definitely recommend Coco’s Custom Building and look forward to using them with my future home renovations."
Exterior Remodel
Modular Set And Exterior Finish Project
Exterior Remodel
Modular Set And Exterior Finish Project
Exterior Remodel

+31

Response time12 hrs
17 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for A.S.M. Home Improvements
A.S.M. Home Improvements
5.0(
11
)

Serving Coram, NY and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Anthony is the consummate professional. He worked with us to design a porch that not only looks outstanding but adds curb appeal and value to our home we never could have imagined. He is efficient, neat, completely open to last minute "hey we forgot but could you...", incredibly excellent at everything he does (he's also done for us internal painting, fixed floor planks etc) and most important is that he is just the nicest person with whom to work on home projects. Highly recommend."
Remodeling
Remodeling
Remodeling
Remodeling
2 of 2
fire pit

+48

Response time11 hrs
5 neighbors recently requested a quote
Recommended by63%of homeowners
Avatar for Patzan Home Improvement Inc
Patzan Home Improvement Inc
5.0(
6
)

Serving Coram, NY and surrounding areas

Approved

In business since 2008

Emergency services offered

Customers say: True professional

"Giovanni and his crew were very professional and did a wonderful renovation to my garage. Any question or concerns I had were answered to my satisfaction . I would highly recommend them for any work you may have. Mike B"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+29

4 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for NIGHTHAWK CARPENTRY AND REMODELING LLC
NIGHTHAWK CARPENTRY AND REMODELING LLC
3.9(
14
)

Serving Coram, NY and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Great. From the beginning, Christian has been patient, and communicates well. He answered all of my questions before and made sure I understood everything. He listened to what my needs and wants were.Overall great guy."
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Builders - Homes Project
Remodeling - General Project

+49

Response time2 days
Response rate94%
10 neighbors recently requested a quote
Avatar for Exterior Team Home Services, Inc.
Exterior Team Home Services, Inc.
4.6(
25
)

Serving Coram, NY and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Ronald and his team were great. He was the first to give me an estimate and was the only one who went on the roof to inspect it. He gave me an amazing price snd was available if I had questions. His team came early (7am) and worked until the afternoon. I would recommend them to anyone and hope to use them again for more work on my home."
Roof in process
Roof done
Roof in process
Job done in Ronkonkoma
Job done

+1

Response time4 hrs
Recommended by95%of homeowners
JKL Construction, Inc.
4.1(
17
)

Serving Coram, NY and surrounding areas

Approved

In business since 2010

Free estimates

Customers say: Quick response

"Kenneth was amazing to say the least! From the moment we first sat down with him for an estimate, he was professional, polite, & extremely knowledgeable, all the way until the completion of the job. We explained to him that we wanted to update our old kitchen & he offered great suggestions of how we could improve & better maximize our space such as taking down the wall separating the kitchen from living room to create an open concept & allow better air flow through the house, move the back door from the right side to the left to get the best use of the longer wall & allowing for more counter space, & suggesting putting in a toe-kick heater to warm the floor when I expressed how my feet are freezing during the winter. He returned w/ a computer model of what our new kitchen would look like & checked in w/us throughout the build. We were so impressed w/our new kitchen/living room that we also hired him to build our deck & remodel the front of our house so check out those pics too! ???"
Response time9 hrs
Response rate87%
2 neighbors recently requested a quote
Avatar for Blueline Home Remodeling, LLC
Blueline Home Remodeling, LLC
5.0(
4
)

Serving Coram, NY and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"We recently had our roof and siding replaced, and we couldn’t be happier with the results. The crew was professional, efficient, and detail-oriented from start to finish. The job was completed on time, the cleanup was thorough, and the quality of the craftsmanship really shows. Communication throughout the project was excellent—every question was answered and every concern was addressed right away. Highly recommend them to anyone looking for reliable and top-quality work."
Garage Conversion
Garage Conversion
Garage Conversion
Garage Conversion
Garage Conversion

+19

Response time10 hrs
3 neighbors recently requested a quote
...
Showing 1-10 of 506
FAQs for addition to existing structure building service projects in Coram, NY

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The Coram, NY homeowners’ guide to addition to existing structure building services

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