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Waterfront Construction Inc
Back of a two-story addition in taped green sheathing with new windows installed

Photo: Back of the addition: taped sheathing with the new windows in place, Lynnfield, MA

Home Additions in Boxborough, MA

Waterfront Construction Inc, an owner-led general contractor, offers home additions in Boxborough, MA. Boxborough is in Middlesex County, about 13 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 21 miles southeast.

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Boxborough, MA at a glance

County
Middlesex County, Massachusetts · 47 places we serve there
From our base
About 13 miles northeast
Building permits
Boxborough's building department
Contractor rules
MA Home Improvement Contractor registration (M.G.L. c.142A)

Nearest documented addition project

Front porch and addition framing on a colonial home in Needham, MA

Front Porch Addition in Needham, MA

21 mi southeast of Boxborough

Our documented addition and other work, by distance:

Permits and rules in Boxborough, MA

An addition needs a building permit from Boxborough'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

Costs and timelines: our home additions guide

How Much Does a Home Addition Cost in Massachusetts?

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
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Distances: straight line, GeoNames data (CC BY 4.0). Updated .