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The Best Office Builders in Boston, Massachusetts

9 Min Read

Last updated on July 8th, 2024 at 04:30 pm

Even though it has all the benefits of a big city, Boston has the feel of a small town. It is one of the best places to settle down and start a family—it is close to great colleges, job opportunities, and high-quality health care. The city is on the cutting edge of science and technology, but residents still enjoy the simple pleasures of going to Fenway Park to cheer on the Red Sox. 

This article tells you everything you need to know about Boston, Massachusetts’s best office builders. These companies are on this list because their top-notch skills, experience, and portfolios caught the eye of our editorial team.


100 Riverpark Drive, North Reading, MA 01864

Columbia is a general construction firm that has been building exceptional projects and partnerships with clients for over 100 years. Since its inception in 1925, the firm has put together an impressive portfolio of high-quality projects across Massachusetts and the surrounding area. The firm has a lot of experience building and remodeling in many fields, including the education, business, health care, leisure, science and technology, homes, and energy sectors. Its expert designers, builders, and project managers are committed to understanding each client’s unique vision and turning it into a reality. The firm takes an integrated approach—combining streamlined processes and tried-and-true methodologies—to ensure a smooth project delivery and an enjoyable experience for its clients. This leads to proactive solutions, great results, and long-lasting relationships. Over the years, over 80% of the firm’s work comes from repeat clients, a testament to its quality and professionalism. 

One of the firm’s notable projects is Hobbs Brook Management’s company campus at 175–185 Wyman Street. It features 335,000 square feet of Class-A office space, a lively setting, and the best access to any office park. The project included tearing down a 330,000-square-foot building to create two new buildings with a fitness center, conference center, company dining, and surface and underground parking. 

Sea-Dar Construction

580 Harrison Avenue, 4W, Boston, MA 02118

Sea-Dar Construction is a full-service construction management and general construction firm that has served Massachusetts and the neighboring area since 1991. With over 30 years of experience, the firm has put together an exceptional portfolio with over $100 million in annual sales. It has helped countless clients with their construction needs, from single-family homeowners and condo unit owners to developers and organizations. No matter the project’s size, scope, and complexity, the firm takes an integrated, personalized, and hands-on approach to managing each project. Its processes and methodologies allow it to ensure that each high-quality project is delivered on schedule and within budget. Its highly-skilled professionals have years of experience providing quality craftsmanship, creative techniques, and cost-efficient solutions to deliver projects that meet their demands and exceed expectations. 

Sea-Dar just started building a new 17,000-square-foot, three-story lab building on an empty lot in West Cambridge. The project features parking spaces and mechanical areas on the first floor and new labs and office spaces on the second and third floors. It will also need new utility work, a DIP Pile/Concrete base, a steel superstructure with a concrete slab-on-deck, aluminum panel façades, a TPO roof, and robust MEP systems. 

John Moriarty & Associates

3 Church Street, Suite 2, Winchester, MA 01890

John Moriarty & Associates was founded in 1985 as a general construction firm to deliver exceptional projects and extensive services. With over 37 years in the industry, the firm has expanded its team of experts while creating a place where dynamic teamwork is valued and supported by openness, trust, and clear communication. This mindset and a hands-on approach allow the firm to understand its client’s needs. With its dedication to excellence and client satisfaction, the firm takes a proactive and aggressive approach to preconstruction during the planning process. Whether it’s a simple tenant improvement project or a full-scale new construction, the firm has consistently delivered successful results that offer the best value for each client’s hard-earned investment. 

At nearly 300,000 square feet and six levels, this featured project is one of the firm’s notable projects. Built for Normandy Real Estate Partners, with highly articulated skin and unique exterior elements, this building stands out from its neighbors. The project also included a 1000 car above grade parking garage and a campus master plan to accommodate future facilities.

Delphi Construction

255 Bear Hill Road, Suite 301, Waltham, MA 02451

With over 30 years in the industry, Delphi Construction has solidified its reputation as a reliable and trustworthy contractor serving Massachusetts. Since its inception in 1992, the firm has worked with many clients, helping them with their unique design and construction needs. The firm focuses on the healthcare, assisted living, affordable housing, multi-family residential, banking, religious, corporate, education, and modular construction markets. Its expert designers and builders offer a personalized, professional approach and years of expertise and knowledge to turn each client’s vision into a space that exceeds expectations. The firm focuses on communication and collaboration—the result is solid relationships that ensure a successful result, the best value, and smooth project delivery. Over the years, the firm has had many satisfied clients willing to testify to the firm’s quality and professionalism. 

Needham Bank worked with Delphi to build their new office building, which features two floors and a full basement to house the client’s corporate offices and administrative tasks. The project started with demolishing several old wood-frame houses on two lots next to each other. The new building has a steel frame with light gauge metal framing, a total hip roof, a well-detailed wood exterior, and a fully developed site with lots of parking.


1 Campanelli Drive, Braintree, MA 02184

Campanelli has been an industry real estate, construction, development, acquisitions, and management firm since 1947. With over 70 years of experience and over 26 million square feet of successfully developed, built, and bought property, Campanelli has an excellent reputation in real estate development and investment. Its impressive portfolio is a testament to its ability to deliver high-quality projects on schedule and within budget, which features many successful industrial, warehouse, business, medical, and multi-family spaces. The firm takes a hands-on and personalized approach that allows it to focus on communication and collaboration. It works closely with its clients to understand their vision and turn it into a space that reflects their needs and goals. Over the years, the firm has earned a long list of repeat customers.

Campanelli talked with TJX’s top decision-makers for a long time to figure out the right mix of logistics, scheduling, and construction services to pull off this big office design and build project. The structure was done on-site at an office that was still in use. Temporary work areas were set up for TJX workers so that this highly complex task could be done safely, on time, and within budget.

Seaver Construction

215 Lexington Street, Woburn, MA 01801

Since its inception in 1985, Seaver Construction has worked on many projects across Massachusetts and the surrounding area. Over the years, the firm has given its clients the best general contracting and construction management services to bring their vision to life. It has earned an impressive portfolio that features various projects such as government, healthcare, hospitality, retail, business interiors, and homes. Its team of experts handles each project with a meticulous eye for detail to ensure everything is going according to plan. From minor repairs to complex, multimillion-dollar new builds, the firm’s collaborative and personalized approach allows it to deliver successful results that offer the best value for each client’s hard-earned investments. It focuses on building solid relationships with its clients, subcontractors, suppliers, and trade partners to ensure smooth and seamless project delivery. 

This featured project is a five-story structure founded on deep precast piles with a structural steel frame and composite decks. The exterior façade includes stone, glass, and metal panels that provide the occupants with excellent window lines, ample natural light, stunning water views, and spectacular Boston skyline views. It also features the latest technologies in electrical and mechanical design and construction. 

Pivotal Builders

189 Loring Avenue, Salem, MA 01970

Pivotal Builders was founded in 2010 with the goal of helping people with their construction needs across Massachusetts and the neighboring area. Its main goal is to connect with clients, understand their vision, then provide solutions and create projects that exceed expectations. The firm offers years of experience, technical skills, and knowledge to get along better with its clients and guide them throughout the complicated construction process. Its one-stop-shop solution and hands-on approach allow the firm to save money and time on redesigns and goods. From start to finish, its staff often meets with clients to ensure they get quality, individual service. Its impressive portfolio showcases its ability to deliver high-quality projects on schedule and within budget in a way that exceeds client expectations. 

One of the firm’s notable projects is Century Bank’s branch in Quincy, Massachusetts. It features a transitional design with its unique mix of classic and contemporary elements. The light color scheme and natural materials create a bright and airy space, while the large windows bring in a lot of natural light and a pleasant breeze.