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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 Merrimack, NH

Waterfront Construction Inc, an owner-led general contractor, offers home additions in Merrimack, NH. Merrimack is in Hillsborough County, New Hampshire, about 38 miles north of our base in Northborough, Massachusetts. Our closest documented addition project is in Lynnfield, MA, about 32 miles southeast.

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Merrimack, NH at a glance

County
Hillsborough County, New Hampshire · 9 places we serve there
From our base
About 38 miles north
Building permits
Merrimack's building office
Contractor rules
No statewide contractor license in New Hampshire

Nearest documented addition project

Our documented addition and other work, by distance:

Permits and rules in Merrimack, NH

Ask Merrimack's building office how an addition is permitted and inspected: the state building code applies in every New Hampshire town, and each town decides how it issues permits and inspects work.

What's included

  • Room & second-story additions
  • In-law suites (ADUs)
  • Sunrooms & porches
  • Designer & engineer coordination

Costs and timelines: our home additions guide

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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