
Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA
Home Additions in Boston, MA
Waterfront Construction Inc, an owner-led general contractor, offers home additions in Boston, MA. Boston is in Suffolk County, about 30 miles east of our Northborough base. Our closest documented addition project is in Needham, MA, about 10 miles southwest.
- Insured
Boston, MA at a glance
- County
- Suffolk County, Massachusetts · 4 places we serve there
- From our base
- About 30 miles east
- Building permits
- Boston's building department
- Contractor rules
- MA Home Improvement Contractor registration (M.G.L. c.142A)
Nearest documented addition project

Front Porch Addition in Needham, MA
10 mi southwest of Boston
Our documented addition and other work, by distance:
- Needham, MA: porch addition 10 mi southwest
- Lynnfield, MA: addition and exterior remodel 12 mi north
- Lynnfield, MA: addition framing video 12 mi north
- Framingham, MA: client review of our kitchen remodel 19 mi west
- Mansfield, MA: kitchen remodel 24 mi south
- Marlborough, MA: client review of our first-floor remodel 25 mi west
- Hudson, MA: client review of our bathroom remodel 26 mi west
- Westborough, MA: client review of our new siding and windows 29 mi west
- Northborough, MA: client review of our deck and small addition 30 mi west
- Salem, NH: pool deck 31 mi north
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 34 mi west
Permits and rules in Boston, MA
An addition needs a building permit from Boston's building department and must meet local zoning rules such as setbacks. On septic, an added bedroom also needs Board of Health review under Title 5. Since February 2, 2025, one accessory dwelling unit, up to 900 square feet or half the main house if smaller, is allowed by right in single-family zones.
What's included
- Room & second-story additions
- In-law suites (ADUs)
- Sunrooms & porches
- Designer & engineer coordination
Free estimate
Tell us about your project
Free and no-obligation. Prefer to talk? Call (508) 816-2726 (Mon–Sat, 7am–6pm).
- Itemized estimates
- 500+ projects completed
- Insured
Distances: straight line, GeoNames data (CC BY 4.0). Updated .
