Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in Astoria, 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.

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

Avatar for Waxtel LLC
Waxtel LLC
4.9(
109
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"We are very pleased with the outcome of our project. The process went as smoothly as one could hope for especially considering the difficulties we faced with our condo association. David Waxtel was a gentleman throughout the process. He put together a good team of laborers and a job Forman who saw to each daily task with creativity and good ways of working. They were prompt each morning and worked well with our building Super in meeting all requirements including daily prep and cleanup. I was present throughout the project and saw good quality work each step of the way. The icing on the cake was the price. Waxtel company quoted me the lowest price of the five contractors I bid this job to, and stayed within that quote to the end. I couldn’t be happier."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+30

Response time9 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Mayanda
Mayanda
5.0(
35
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"David was able to finish work that my initial contractor couldnt. It was so hard finding someone but David really pulled through. He was punctual, professional, and a pleasure to work with. Most importantly his work was so precise and he pays a lot of attention to detail. I even had him build a couple new rooms for me! He’s the best!"
Kitchen complete remodel
Basement remodel
Commercial remodel
Walking closet
Laundry Room

+83

Response time2 days
3 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for TKT REMODELING GROUP LLC
TKT REMODELING GROUP LLC
4.6(
11
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

Free estimates

Warranties offered

Credit card accepted

"I used TKT Remodeling Group LLC for a complete basement remodeling. Treon had wonderful ideas about ways to make my basement function more efficiently. He was the only contractor who took the time to discuss ways to remodel the basement that made sense (e.g., moving the bathroom and closet) into spaces that increased our living space. Treon and his crew are friendly, respectful, punctual, professional, and responsive. He even surprised me with a new, functioning fireplace. I wish I had taken before and after pictures. I was able to go to work and leave the workers alone in my home with no problems. Even after my basement project was completed, I called Treon with questions, and he responded quickly. I highly recommend him and will use him again."
Kitchen  Remodeling Project
Heating & A/C Project
General Remodeling Project
Kitchen  Remodeling Project
Heating & A/C Project

+23

Response time2 days
3 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for RH Construction USA, Inc.
RH Construction USA, Inc.
4.5(
222
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

In business since 2009

Free estimates

Customers say: Quick response

"I first hired RH Construction USA, Inc. to remodel a bathroom located in my rental property. I liked his work so much, I had him remodel another bathroom in my new house. In addition, I hired him to do cement work in my backyard and currently have him doing addition work in my home electrical and plumbing. thank you RH Construction USA Inc."
My work.
Remodel bathroom
Remodeling
Violation removal
Brownston  step repair

+17

Response time2 days
Response rate97%
24 neighbors recently requested a quote
Avatar for Kalnitech Construction Corp.
Kalnitech Construction Corp.
4.7(
14
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"I had an excellent experience with Kalnitech, during a full bathroom renovation in my building. They handled everything from demolition to building the brand new space with professionalism, attention to detail, and clear communication throughout the entire process. The quality of the workmanship is outstanding, the project was completed on time and the final result looks beautiful. I highly recommend them to anyone looking for reliable and high quality renovation work."
Kitchen Renovation
Kitchen
Front of house exterior
Before
New Kitchen

+27

Response time1 day
Recommended by58%of homeowners
Avatar for You Break We Fix
You Break We Fix
4.4(
57
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Perfect. No other words needed. On time. Polite. Professional. Worked like dogs all day. Knew exactly what they were getting themselves and how to get it done. I will definitely hire them again for my next project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+48

2 neighbors recently requested a quote
Recommended by61%of homeowners
Avatar for J Silver Construction Corp.
J Silver Construction Corp.
5.0(
5
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

With almost 25 years of experience transform your home with J Silver Construction Corp.’s comprehensive additions and remodeling services. Whether you're looking to expand your living space, update outdated features, or create a more functional layout, our team is here to bring your vision to fruition. With a focus on superior workmanship and customer satisfaction, we guide clients through every step of the process, delivering stunning results that enhance both the beauty and value of their homes. \n \nEnglish and Spanish Availble \n \nSenior Citizen, Military Veteran and First Responder Discounts Available - Inquire Within \n \nDeposit May Be Required - Inquire Within \n \nAccepts Cash, Checks, Major Credit Cards (Service Fee May Apply), Zelle & Venmo

Full bathroom renovation
Full bathroom renovation
Full bathroom renovation
Full bathroom renovation
Full bathroom renovation

+9

2 neighbors recently requested a quote
Avatar for TS Construction NY
TS Construction NY
3.5(
28
)
Addition to Existing Structure - Build

Serving Astoria, NY and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Mr. Monti was very informative and actually helpful and walked us through the job. Someone who you can expect to possibly work with again......great customer relationship...."
Interior Painting
Wall Paint
Wall Paint
Interior Painting
Interior Painting

+24

Response time5 hrs
Response rate98%
13 neighbors recently requested a quote
...
Showing 1-10 of 996
FAQs for addition to existing structure building service projects in Astoria, 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 Astoria, 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.