Meta All Microsites Pixel

The Best Home Addition Contractors in Boston, Massachusetts

8 Min Read

Boston, Massachusetts, is a city steeped in history and culture, known for its beautiful architecture, world-renowned universities, and thriving economy. As one of the oldest cities in the United States, Boston has a unique character and charm that sets it apart from other cities. Whether you are a history buff, sports fan, or art lover, there is something for everyone in Boston.

If you want to add to your home in Boston, the list below features the leading home addition contractors to consider. Our team handpicked the firms after evaluating their portfolio, backgrounds, awards, industry affiliations, and press features. These contractors are known for their exceptional craftsmanship, attention to detail, and ability to blend new construction with existing architecture seamlessly. Whether you’re looking to add a new room, expand your living space, or create an outdoor living area, you will find a contractor on this list to bring your vision to life.

Auburndale Builders

151R Adams St, Newton, MA 02458

Auburndale Builders is a residential construction company in Newton, Massachusetts, specializing in building new custom homes, renovations, additions, and historic restorations in the Metro West region of Boston. It prides itself on using its extensive knowledge of historic homes and leading-edge building science to create energy-efficient, net-zero homes powered by renewable energy. 

The company focuses on high-performance home building and remodeling that provides unparalleled comfort, health, and energy efficiency, achieved by utilizing cutting-edge technology in solar power, heat pumps, and other electrical and mechanical systems. Auburndale Builders received several awards for its exceptional work, including the Silver PRISM award for Best Passive Home/Sustainable Home Design from BRAGB in 2019 and the Environmental Leadership Award from Green Newton in 2017. 

It is affiliated with several professional associations, including the National Association of Home Builders (NAHB), Builders and Remodelers Association of Greater Boston, Home Builders & Remodelers Association Massachusetts, Northeast Sustainable Energy Association, and Passive House Massachusetts. The company’s team members hold certifications such as NAHB Certified Aging in Place Specialist, Passive House Massachusetts, and Certified Passive House Builder. Auburndale Builders has been featured in numerous press articles, including Weston Wellesley Magazine, The Boston Globe, and


621 Main St, Shrewsbury, MA 01545

RemodelWerks is a highly reputable design/build firm that provides exceptional interior and exterior design and remodeling services for residential and commercial projects. It is renowned for using high-quality materials, ensuring that projects are completed on time and within budget, and providing a superior five-year guarantee on all its work. 

With a passion for every aspect of the Design/Build Process, RemodelWerks boasts the credentials, insurance, and professional experience necessary to complete every job. The company has won several awards, including the 2019 Regional CotY Award for Residential Bath over $100,000 from the National Association of the Remodeling Industry (NARI). 

RemodelWerks is affiliated with renowned organizations such as the National Association of Home Builders and the Professional Remodeling Organization New England. The firm has also been featured in several press releases and publications, including Boston citybizlist, Business Wire, and New England Home Magazine.

Morse Constructions

240 Elm St, 2nd floor, Somerville, MA 02144

Morse Constructions Inc. has provided high-quality residential design and construction services to homeowners in the greater Boston area since 1976. Starting as a small cabinet company, the firm has grown to become one of the top 50 remodeling companies in the country, according to Remodeling Magazine. Despite this growth, Morse Constructions still holds fast to its original values of high quality, value, and integrity, which continue to guide every client relationship.

Morse Constructions is affiliated with several prominent organizations in the construction industry, including the National Association of Home Builders, the Builders and Remodelers Association of Greater Boston, and the Professional Remodeling Organization. The firm has also been featured in prestigious publications such as New England Home Magazine and Qualified Remodeler. With its commitment to quality and excellence, homeowners can trust Morse Constructions to bring their visions to life.

Rebel Builders

997 Chestnut St, #5, Newton, MA 02464

Rebel Builders is a Latinx, women-owned and operated design-build firm offering residential design-build services in the Greater Boston Area, including Newton, Brookline, Boston, and surrounding communities. As a consistent partner, it strives to turn its client’s vision into reality by bringing a fresh and innovative approach to residential remodels and renovations.

Rebel Builders has won several awards for its remarkable work, including the 2022 Gold, Residential Bath $30,000-$60,000 – PRO New England and the Regional CotY Award Winner, Residential Addition Over $250,000 from NARI. The company is affiliated with The Builders and Remodelers Association of Greater Boston and the Professional Remodeling Organization New England. Rebel Builders has also been featured in Boston Magazine and New England Home Magazine, highlighting its exceptional work and commitment to providing high-quality service to its clients. 


667A Sawmill Brook Pkwy, Newton, MA 02459

Founded in 1983, Byggmeister is a design/build firm passionate about being an exemplary steward of existing homes. The company has a rich history and started with limited carpentry and no business experience, but today, it is a highly experienced and sophisticated firm with a mission to help homeowners make their homes more livable, comfortable, durable, and efficient.

At Byggmeister, the team is committed to preserving the rich architectural heritage of homes in the Boston area and adapting older homes to meet contemporary needs. The company is affiliated with the Builders and Remodelers Association of Greater Boston, the Professional Remodeling Organization New England, and the Northeast Sustainable Energy Association.

In 2018, the leadership reins of the company were passed to Rachel White, and in 2021, the business was sold to the employees. Byggmeister’s founder, Paul Eldrenkamp, who holds a bachelor’s degree in History and Literature of Medieval Europe, retired in 2022. Under his watch, the company’s impressive commitment to preservation and innovation makes it a top choice for homeowners looking to renovate their homes with excellence.

Gilman, Guidelli & Bellow

26 Farwell St, Newton, MA 02460

Gilman, Guidelli & Bellow has a rich history, beginning in 1990 when Rick Guidelli and Gary Gilman started their custom carpentry and renovation projects with just a millwork shop in Rick’s basement and a beat-up red pick-up truck. They quickly earned a reputation for their artistry, integrity, and complex project management skills. Doug Bellow joined the firm in 1991 as a carpenter and became a partner in 2004. The three partners and their team of over 25 like-minded people have built on this reputation to establish Gilman, Guidelli & Bellow as a leading construction firm in the Boston area.

The firm’s commitment to quality craftsmanship and project management has earned it recognition from industry experts. Its works have been featured in prestigious publications such as New England Home, Boston Magazine, and Residential Design Magazine. Gilman, Guidelli & Bellow’s team includes carpenters, interior designers, managers, architects, and job site dogs, all working to bring clients’ visions to life.

Gary Gilman, a partner at the firm, began his career as a carpenter in the 1970s and worked for a Yale architecture professor. Richard Guidelli, another partner, joined the firm as an apprentice and now handles project management, estimating, and business development. Doug Bellow, the third partner, started working as a laborer for Gary and Rick and has worked to become a partner.


401 W First St, Boston, MA 02127

ByHome is a leading custom design and build company specializing in new construction, home renovations, additions, general contracting, design services, kitchen and bathroom remodeling, finishing basements, roof decks, and commercial projects. With over ten years of professional experience in construction and renovation projects, ByHome has gained vast knowledge and insight on all general contracting projects. As a family-owned and operated business, the firm’s team values hard work, professionalism, and perfection, which ensures the best projects and satisfied customers.

ByHome’s highly skilled and experienced team works closely with clients from design to project completion, ensuring careful planning, foresight, and proactive communication. It aims to design and build unique, high-quality residential and commercial spaces in Boston and New England. ByHome is affiliated with the Milton Chamber of Commerce, and its principal, Michael “Mike” Bozhilov, brings invaluable experience and knowledge to all projects. For homeowners looking for a construction company that delivers outstanding results on time and within budget, ByHome is the preferred partner.

Precon Construction Company

67 Kemble St, Suite 2.1, Boston, MA 02119

Precon Construction Company is a construction management and building firm with a proven track record of delivering exceptional results to clients in the Boston area. It specializes in residential and commercial construction projects that require meticulous attention to detail, budget, and schedule. The company is known for working collaboratively with top industry professionals, architects, and owners to ensure that every project is done to the highest possible standard. 

Founded by Michael Leary in 2010, Precon is led by a licensed unrestricted construction supervisor and contractor with an M.S. in Construction Management. With his engineering expertise and experience working at Metric Construction Corp. and Jacobs Engineering Group, Michael has built a team of skilled professionals dedicated to delivering exceptional artistry and personalized service to each client. Whether clients want to renovate their homes or embark on a mid-rise ground-up construction project, Precon Construction Company has the expertise and experience to bring their vision to life.


  • Brooke Adams

    Brooke is a Deputy Editor at Home Builder Digest with around five years of professional experience as a writer and editor in the construction and home improvement space. Her expertise covers a wide range of topics including addition construction, home remodeling, and landscape design. Brooke has a Bachelor's degree in Civil Engineering, and she also brings extensive experience as a project manager for a top construction firm, overseeing multi-million dollar projects. Additionally, she is certified in LEED and OSHA safety standards. Expertise: Addition Construction, Home Remodeling, Landscape Design Key Highlights: Over 5 years of experience writing and editing in the construction space, Deputy Editor at HomeBuilderDigest Education: Syracuse University, Bachelor of Science in Civil Engineering; Certificates in Public Relations and Social Media