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

Avatar for Fine Designs by US Home Remodeling
Fine Designs by US Home Remodeling
5.0(
32
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Emergency services offered

"Fine Design did a great job on our bathroom from the gutting to the finish. Dave and Lenny were easy to work with and the workers were great! Cleaned everything up each day and were very polite. The quality of the work is outstanding. Everyone was very professional and was a much more pleasant experience compared to other contractors I have used. Thanks again-I highly recommend Fine Design."
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project

+149

Response time1 day
4 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for TAS Construction Corporation
TAS Construction Corporation
4.7(
15
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Anthony Scardino, the owner of TAS contracting and his crew did an amazing job. He was always reachable and easy to talk to and work with. They were reliable, neat and clean. Though my job was a small one, I would mosts definitely hire him for any future work needed in my home and I would highly recommend him to anyone looking for a great contractor!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Response time2 days
Response rate100%
Recommended by91%of homeowners
Avatar for BuildingLI.com - BLI Facilities LLC
BuildingLI.com - BLI Facilities LLC
5.0(
32
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Eddie was great to work with! We had a limited time frame to adhere to town inspections and Eddie and his team knew exactly what we needed and quickly got the job done. The results were great and even the inspector acknowledged the impressive repair. They were able to put a knocked out garage wall back on the foundation and repair the interior dry wall. I would recommend this company for any professional contract work due to their reasonable price, ease to work with and quality of work."
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+172

Response time7 hrs
Recommended by76%of homeowners
Avatar for Homecraft Remodeling Corp.
Homecraft Remodeling Corp.
4.5(
88
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"Norman helped us to make our Master Bathroom modern and usable. The process was easy, straightforward and relatively quick! Norman's showroom was a great meeting spot to review and talk about design, choose materials and go over any details. He was communicative and helpful in answering any and all questions throughout the process. We are thrilled with our new Master Bath that feels like we are at a hotel or spa. Thank you Norman and team. Highly recommend Homecraft!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+43

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for All Island Additions and Renovations
All Island Additions and Renovations
5.0(
20
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Will is one of the best contractor I worked with, he is very detailed oriented, on schedule, great communication, very responsive, he try his best to do the right thing. He doesn’t use cheap materials or try to cut corners. I will 100 % recommend him to my family and friends."
Before
After
Kitchen remodel
Bathroom remodel
Bathroom remodel

+71

Response time1 day
Response rate100%
Recommended by81%of homeowners
Avatar for Tanem Construction, Inc.
Tanem Construction, Inc.
4.6(
92
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Small jobs welcome

"I hired Tanem Construction to fix the mistakes and poor quality of a previous contractor as well as to finish the job. They came to my home, reviewed the work needed to be done to fix and finish the job. The price they quoted was better than I expected. We agreed on a couple of changes during construction which made the job even better. Paul and his dad Gene were a pleasure to work with and the carpenters, tapers and painters onsite were top notch. They always arrived by on time, did a solid days worth of work and asked questions if any issues arose. I am planning more work in my home and I will reach out to Tanem Construction to make that happen."
Queens Bathroom
Queens Bathroom
Garden City Basement Remodel
GCCC Pier Footings
Garden City Basement Remodel

+157

Response time1 day
Response rate94%
25 neighbors recently requested a quote
Avatar for New York Contracting Associates, Inc.
New York Contracting Associates, Inc.
5.0(
22
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"What a pleasure to work with Mark and Tina, they were helpful in remodeling my kitchen. They gave me ideas, that I went with the change, and I love my kitchen now. I'm so happy with how it turned out, It's one of my best rooms to be in. They kept it in my budget and finished in a timely matter. They are great people and I highly recommend them. You will not be disappointed."
Basement
Custom Basement
Renovated Full Bathroom
Oceanside Remodeled Kitch
Added A Full Bathroom

+17

Response time5 hrs
Response rate92%
Recommended by100%of homeowners
Avatar for Powers Performance Construction LLC
Powers Performance Construction LLC
4.3(
27
)
Addition to Existing Structure - Build

Serving Franklin Square, NY and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"They did an excellent job in our bathroom. Reasonable, professional and quality of work was amazing. I highly recommend this company. I would hire them again. Kept us informed along the way to ensure we got exactly what we wanted. Started job in time and finished in time. Amazing company and very pleasant to work with."
Decks and Porches Project
Remodeling - General Project
General Remodeling Project
Finished Carpentry and Woodworking Project
Gazebo

+53

Response time2 days
Response rate100%
4 neighbors recently requested a quote
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FAQs for addition to existing structure building service projects in Franklin Square, 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 Franklin Square, 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.