Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA
Home Additions in Southborough, MA
Waterfront Construction Inc, an owner-led general contractor, offers home additions in Southborough, MA. Southborough is in Worcester County, about 6 miles east of our Northborough base, one of 41 places we serve within 15 miles. Our closest documented addition project is in Needham, MA, about 15 miles east.
- Insured
Southborough, MA at a glance
- County
- Worcester County, Massachusetts · 60 places we serve there
- From our base
- About 6 miles east
- Building permits
- Southborough'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
15 mi east of Southborough
Our documented addition and other work, by distance:
- Marlborough, MA: client review of our first-floor remodel 3 mi northwest
- Westborough, MA: client review of our new siding and windows 5 mi southwest
- Framingham, MA: client review of our kitchen remodel 6 mi east
- Northborough, MA: client review of our deck and small addition 6 mi west
- Hudson, MA: client review of our bathroom remodel 6 mi north
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 10 mi west
- Needham, MA: porch addition 15 mi east
- Mansfield, MA: kitchen remodel 24 mi southeast
- Lynnfield, MA: addition and exterior remodel 29 mi northeast
- Lynnfield, MA: addition framing video 29 mi northeast
- Salem, NH: pool deck 37 mi northeast
Permits and rules in Southborough, MA
An addition needs a building permit from Southborough'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 .