Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in Wilmington, VT

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 Wilmington - Updated Nov 2026

Green Mountain Design Build
5.0(
5
)
Addition to Existing Structure - Build

Serving Wilmington, VT and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Great! It was a pleasure to work with Brad at Green Mountain Design Build. He did a fantastic job renovating two bathrooms as well as several bedrooms and a basement room at our house. Brad is highly professional and reliable and he has excellent design advice"
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Additional Photos

+18

Response time5 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Calvary Custom Builders, LLC
4.3(
7
)
Addition to Existing Structure - Build

Serving Wilmington, VT and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

Calvary Custom Builders, LLC is proud to be a locally owned and operated company that serves Windham and Bennington Counties and the surrounding communities. From custom home building to remodels we will bring our years of experience to your project. We have built our business on providing 1st class craftsmanship at a fair price. Each project is unique so we will work with you on finding out what you are wanting to accomplish and making that dream become a reality. \n\nOur reputation has been built on being timely, tidy and making sure that every customer is 100% satisfied when we are done with the job. Let us show you why we are #1 in the area. Get in touch to discuss your project today!

Master Bathroom
Master Bathroom
Master Bathroom
Master Bedroom
Whole Home Remodel

+103

Response time5 days
Recommended by100%of homeowners
John J. Read Construction Corporation
4.7(
30
)
Addition to Existing Structure - Build

Serving Wilmington, VT and surrounding areas

In business since 2002

Free estimates

"John was amazing! Absolutely the best contractor I have worked with. He was a pleasure to deal with, and the work he did was outstanding. He painted our very large three story house + shed on a short notice, and when we needed a few extra things done, he not only did them well, but charged very little on top of the original price. I will be using John regularly, and am so happy to have such an excellent contractor to rely on from now on. Highly recommended!!!"
 Custom Timber Frame Home
 Workshop (Exterior)
 Frame
 Timber Frame Interior
 Carpentry work

+29

Recommended by100%of homeowners
Avatar for NET ZERO DESIGN, INC.
NET ZERO DESIGN, INC.
5.0(
7
)
Addition to Existing Structure - Build

Serving Wilmington, VT and surrounding areas

In business since 2016

Free estimates

Warranties offered

"Net Zero Design has earned my utmost admiration for their exceptional work on a recent project â a remarkable 3-bedroom addition to my Vermont home. As someone deeply committed to sustainability and energy efficiency, I couldn't be happier with the outstanding results. From the outset, Net Zero Design demonstrated a profound understanding of green building practices. The integration of WiFi-enabled Smart Lighting, Heat Pumps, Heat Pump Water Heaters, and a Standby Generator showcases their commitment to cutting-edge technology that not only enhances comfort but also minimizes environmental impact. The team's expertise in energy-efficient design is truly commendable. The WiFi-enabled Smart Lighting system not only adds a modern touch but also contributes to energy savings. The Heat Pumps and Heat Pump Water Heaters provide efficient heating and cooling, ensuring optimal comfort while significantly reducing energy consumption. The inclusion of a Standby Generator reflects their foresight and dedication to ensuring uninterrupted power supply, especially in Vermont's challenging weather conditions. This thoughtful addition adds an extra layer of reliability and peace of mind. Throughout the project, communication was excellent. The team kept me informed about the progress, and their attention to detail was evident at every stage. Despite the complexity of integrating advanced technologies, the project was completed efficiently and surpassed all expectations. Net Zero Design's ability to deliver a stunning, energy-efficient addition that seamlessly blends with the existing structure is truly remarkable. This project has not only elevated the functionality of my home but has also significantly reduced my environmental footprint. In conclusion, if you're seeking a general contractor specializing in energy efficiency and sustainability, Net Zero Design is the epitome of excellence. They've exceeded all my expectations, and I wholeheartedly recommend them to anyone seeking transformative, eco-friendly home improvements."
Basement Renovation
Basement Renovation
Basement Renovation
Kitchen Remodel
Air B&B Exterior

+11

Response time1 day
Recommended by100%of homeowners
Avatar for Alberti Landscape and Construction
Alberti Landscape and Construction
5.0(
3
)
Addition to Existing Structure - Build

Serving Wilmington, VT and surrounding areas

In business since 2020

Credit card accepted

"My wife and I could not have built our dream home without the help and amazing work by Alberti Landscape & Construction. Alex is extremely detail orientated, professional, responsible and a great person to work with. I highly recommended Alberti Landscape & Construction!!!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Recommended by100%of homeowners
Avatar for Creative Building Solutions, LLC
Creative Building Solutions, LLC
3.8(
23
)
Addition to Existing Structure - Build

Serving Wilmington, VT and surrounding areas

In business since 2010

"Good fair price, they came when they said and cleaned up after they were done. I hired them and paid them and nothing else. It s very hard to get reliable people in Vermont. I was pleasantly surprised. Great job ."
Response time4 days
Recommended by83%of homeowners
Showing 1-10 of 44
FAQs for addition to existing structure building service projects in Wilmington, VT

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 Wilmington, VT 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.