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Top-Rated Addition to existing structure builders in Greenburgh - Updated Nov 2026

Avatar for Above & Beyond Contracting
Above & Beyond Contracting
4.8(
81
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"We had an idea and the owner, Bud, had a vision!!!! He created an absolutely beautiful outdoor living space.... multiple levels and entertainment areas. The space is gorgeous and every level of detail from the wood work to the design to the layout to the built in bar is just beautiful and functional! Bud provides a level of experience like no other. He is onsite and manages all his subcontractors and expects a superior product which is what he delivered."
Vanity and tub
Stand Up Shower
Shower fixtures
Kitchens
Additional Photos

+16

Response rate100%
6 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Westbrook Contracting, LLC
Westbrook Contracting, LLC
4.9(
94
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"From our first meeting with Dave to the completion of the job, Westbrook exceeded all of our expectations. Dave was in constant communication with us about everything from acquiring materials to what would be done on any given day. In the past we’ve been very disappointed with the lack of communication from other contractors, but with Dave we felt informed and updated at all times. Whenever I reached out with a question he was quick to get back to me, even on a weekend. His carpenters, Joe and Matt are seriously talented dudes and did an incredible job building our deck. They kept a very clean worksite and tidied up at the end of everyday. When the time comes for our next home improvement project, I won’t be getting a second estimate/opinion, I’ll be calling Dave to do the work without a doubt."
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
Decker Bathroom
Decker Bathroom

+124

Response time2 days
3 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Santucci Bros Contracting
Santucci Bros Contracting
4.8(
47
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 1999

Free estimates

Customers say: True professional

"Santucci did a fantastic job. and I highly recommend them to make same project. They arrived promptly. They actually rebuild my wall better that it was originally build. Despite the 90 degree plus temp. the man never stop working aside from very short break. Perform beyond my expectation. I certainly work them again without reservations."
Additional Photos
Additional Photos
Additional Photos
Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Gustavo Lojano General Contractor Inc.
Gustavo Lojano General Contractor Inc.
5.0(
34
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Gustavo Lojano is a skilled carpenter and extremely knowledgeable in all areas of construction. He takes pride in his own work and expects the best from the other craftsmen on his team. He isn’t happy unless his customer is happy. He recently did a complete bathroom renovation for us. His suggestions made the finished product even better than we expected. Additionally, he corrected some work that had been done incorrectly in the past and would eventually have caused us problems. His prices are fair and well worth the money considering the quality of his work."
Kitchen Remodeling, Hartsdale 2022
2022 Thornwood Patio and Sunroom
2022 Thornwood Bathroom Remodeling
Kitchen Remodeling, Hartsdale 2022
2022 Thornwood Patio and Sunroom

+506

Response time1 day
1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for CHAMPION HOME REMODELING
CHAMPION HOME REMODELING
4.6(
162
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"We were so lucky to find Danny and the Champion team when we purchased our older home. No matter the project size, I know we can count on them to be responsive and deliver projects with a level of quality and professionalism that never fails to exceed our expectations. Over the years the team has assisted us with projects like: structural reframing for exterior window and door installations, shingle roof repair, siding repair, gutter rehabilitation and countertop replacements. I also have high praise for the material suppliers Danny works with, and how neat and tidy the Champion team is. We will certainly continue to work with them in the future."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Modo Renovations, LLC
Modo Renovations, LLC
5.0(
34
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Offers commercial services

"An excellent experience. Reasonably priced. Handled everything: coop board, NYC building department, electrician, plumber, floor guy. Easy to work with. I am very pleased with the outcome."
fireplace built in
kitchen
kitchen
Upper west side reno
Bathroom

+257

Response time4 hrs
Response rate100%
11 neighbors recently requested a quote
Avatar for LRL DESIGNS
LRL DESIGNS
5.0(
9
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 2001

Free estimates

Small jobs welcome

"The kitchen turned out beautifully. Lani's kitchen guy took measurements an ordered the cabinets even before some of the structural walls had been removed for open plan. When the kitchen was delivered and installed it fit perfectly and we are very pleased with the results."
BEFORE
Main entry with a gallery of artwork on leather wall
AFTER
Kitchen with new built-in banquet seating with rust leather cushio and added throw pillows.
AFTER

+19

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for JLR Design And Building Consultants, LLC
JLR Design And Building Consultants, LLC
5.0(
7
)
Addition to Existing Structure - Build

Serving Greenburgh, NY and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Very affordable and had no problem completing the job in a timely fashion. Extremely efficient & were accommodating. Definitely painted the picture in my head & turned it into reality! Jessica & her team were also willing to go the extra mile if needed ! Thank you! Definitely will contact them for all of my reconstructing needs in my home!"
Full House Remodel
Master Bath
House Remodel
First Floor
First Floor, looking into Kitchen

+107

Response time2 hrs
1 neighbors recently requested a quote
Recommended by60%of homeowners
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FAQs for addition to existing structure building service projects in Greenburgh, 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 Greenburgh, 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.