
Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA
Home Additions in Stow, MA
Waterfront Construction Inc, an owner-led general contractor, offers home additions in Stow, MA. Stow is in Middlesex County, about 11 miles northeast of our Northborough base, one of 41 places we serve within 15 miles. Our closest documented addition project is in Needham, MA, about 18 miles southeast.
- Insured
Stow, MA at a glance
- County
- Middlesex County, Massachusetts · 47 places we serve there
- From our base
- About 11 miles northeast
- Building permits
- Stow'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
18 mi southeast of Stow
Our documented addition and other work, by distance:
- Hudson, MA: client review of our bathroom remodel 4 mi southwest
- Marlborough, MA: client review of our first-floor remodel 7 mi south
- Northborough, MA: client review of our deck and small addition 11 mi southwest
- Framingham, MA: client review of our kitchen remodel 12 mi southeast
- Westborough, MA: client review of our new siding and windows 13 mi southwest
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 14 mi southwest
- Needham, MA: porch addition 18 mi southeast
- Lynnfield, MA: addition and exterior remodel 24 mi east
- Lynnfield, MA: addition framing video 24 mi east
- Salem, NH: pool deck 29 mi northeast
- Mansfield, MA: kitchen remodel 32 mi southeast
Permits and rules in Stow, MA
An addition needs a building permit from Stow'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 .
