Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA
Home Additions in Hopkinton, MA
Waterfront Construction Inc, an owner-led general contractor, offers home additions in Hopkinton, MA. Hopkinton is in Middlesex County, about 9 miles southeast 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
Hopkinton, MA at a glance
- County
- Middlesex County, Massachusetts · 47 places we serve there
- From our base
- About 9 miles southeast
- Building permits
- Hopkinton'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 Hopkinton
Our documented addition and other work, by distance:
- Westborough, MA: client review of our new siding and windows 6 mi northwest
- Framingham, MA: client review of our kitchen remodel 6 mi northeast
- Marlborough, MA: client review of our first-floor remodel 8 mi north
- Northborough, MA: client review of our deck and small addition 9 mi northwest
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 11 mi northwest
- Hudson, MA: client review of our bathroom remodel 11 mi north
- Needham, MA: porch addition 15 mi east
- Mansfield, MA: kitchen remodel 21 mi southeast
- Lynnfield, MA: addition and exterior remodel 32 mi northeast
- Lynnfield, MA: addition framing video 32 mi northeast
- Salem, NH: pool deck 42 mi northeast
Permits and rules in Hopkinton, MA
An addition needs a building permit from Hopkinton'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 .