Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA
Home Additions in Lexington, MA
Waterfront Construction Inc, an owner-led general contractor, offers home additions in Lexington, MA. Lexington is in Middlesex County, about 23 miles northeast of our Northborough base. Our closest documented addition project is in Needham, MA, about 11 miles south.
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Lexington, MA at a glance
- County
- Middlesex County, Massachusetts · 47 places we serve there
- From our base
- About 23 miles northeast
- Building permits
- Lexington'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
11 mi south of Lexington
Our documented addition and other work, by distance:
- Lynnfield, MA: addition and exterior remodel 11 mi northeast
- Lynnfield, MA: addition framing video 11 mi northeast
- Needham, MA: porch addition 11 mi south
- Framingham, MA: client review of our kitchen remodel 15 mi southwest
- Hudson, MA: client review of our bathroom remodel 18 mi west
- Marlborough, MA: client review of our first-floor remodel 18 mi southwest
- Northborough, MA: client review of our deck and small addition 23 mi west
- Westborough, MA: client review of our new siding and windows 23 mi southwest
- Salem, NH: pool deck 24 mi north
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 27 mi southwest
- Mansfield, MA: kitchen remodel 29 mi south
Permits and rules in Lexington, MA
An addition needs a building permit from Lexington'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 .