Veteran-Owned·Licensed & Insured in NH·30+ Years

    Home Additions in Hampton, NH

    Primary suite, family room, in-law, and second-story additions designed to match the existing home. Serving Hampton from our Plaistow, NH shop — about 30 minutes away.

    Home Additions for Hampton Homeowners

    Hampton is a strong seacoast market for us — North Hampton, Hampton Beach, and the inland neighborhoods between Route 1 and Route 101 all see regular project activity. Seacoast work is its own discipline: salt air, sandy soils, and a different set of expectations for deck and exterior trim materials.

    Hampton's housing splits between year-round colonials and ranches inland and converted-cottage and contemporary builds near the beach. Salt air drives material choices on every exterior project. That context shapes how we approach a home addition in Hampton — the layouts we recommend, the materials that hold up, and the timeline we can hit. Most of our Hampton additions clients come to us by word of mouth from a neighbor we've already worked for.

    Neighborhoods we work in: Hampton Beach, North Hampton border, Boars Head, Plaice Cove, Tide Mill area.

    What's Included in a Hampton Home Additions Project

    Architectural design and structural engineering
    Foundation: full basement, crawl space, or slab
    Framing tied into existing structure with matched roof pitch
    Siding, windows, and trim matched to the existing home
    Full electrical, plumbing, and HVAC integration
    Insulation to current NH or MA energy code
    Interior finish: flooring, trim, paint, fixtures
    Permit, engineering, and inspection coordination
    One-year workmanship warranty

    Hampton Home Additions Pricing

    Real ranges based on actual projects we've completed in and around Hampton. Your written estimate is fixed before we start.

    Bump-Out

    $60k–$120k

    100–250 sq ft addition, typically expanding a kitchen, bath, or family room.

    Room Addition

    $120k–$300k

    400–800 sq ft addition: primary suite, family room, or in-law.

    Second-Story / Major

    $300k–$700k+

    Full second-story or 800+ sq ft single-story addition with multiple rooms.

    Typical timeline: 4–9 months from contract depending on scope.

    Why Hampton Homeowners Choose Ryan & Greene

    Local crew, fast response

    Our shop is in Plaistow — 30 minutes from Hampton. Site visits get scheduled within a week, and we don't disappear after the contract is signed.

    Permits handled, code-compliant

    We pull permits at the Hampton Building Department and coordinate every inspection. Veteran-owned, licensed in NH, fully insured, OSHA certified.

    Fixed-price contracts

    Your number doesn't move unless you change scope. No "we found something" surprise invoices halfway through.

    Home Additions in Hampton — Common Questions

    Ready to plan your Hampton home addition?

    Free in-home consultation, a 3D rendering before any demo, and a fixed-price contract before we touch the house.