Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA
Home Additions in Waltham, MA
Waterfront Construction Inc, an owner-led general contractor, offers home additions in Waltham, MA. Waltham is in Middlesex County, about 21 miles east of our Northborough base. Our closest documented addition project is in Needham, MA, about 6 miles south.
- Insured
Waltham, MA at a glance
- County
- Middlesex County, Massachusetts · 47 places we serve there
- From our base
- About 21 miles east
- Building permits
- Waltham'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
6 mi south of Waltham
Our documented addition and other work, by distance:
- Needham, MA: porch addition 6 mi south
- Framingham, MA: client review of our kitchen remodel 11 mi southwest
- Lynnfield, MA: addition and exterior remodel 15 mi northeast
- Lynnfield, MA: addition framing video 15 mi northeast
- Marlborough, MA: client review of our first-floor remodel 16 mi west
- Hudson, MA: client review of our bathroom remodel 17 mi west
- Westborough, MA: client review of our new siding and windows 21 mi west
- Northborough, MA: client review of our deck and small addition 21 mi west
- Mansfield, MA: kitchen remodel 24 mi south
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 25 mi west
- Salem, NH: pool deck 29 mi north
Permits and rules in Waltham, MA
An addition needs a building permit from Waltham'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 .