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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 Leominster, MA

Waterfront Construction Inc, an owner-led general contractor, offers home additions in Leominster, MA. Leominster is in Worcester County, about 15 miles northwest of our Northborough base. Our closest documented addition project is in Needham, MA, about 32 miles southeast.

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Leominster, MA at a glance

County
Worcester County, Massachusetts · 60 places we serve there
From our base
About 15 miles northwest
Building permits
Leominster'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

32 mi southeast of Leominster

Our documented addition and other work, by distance:

Permits and rules in Leominster, MA

An addition needs a building permit from Leominster'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).

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  • 500+ projects completed
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