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Timber-frame screened porch addition built by Nash Construction in southern New Hampshire

Residential Construction

The crew that builds commercial buildings, working on your house.

Additions, garages, porches and remodels across southern New Hampshire and northern Massachusetts — scoped, scheduled and supervised the way a commercial project is.

What we take on

Work that needs structure, permits and trades coordinated — rather than a handyman afternoon.

See residential projects

Additions & Dormers

New wings, second storeys and dormers tied into the existing roofline, siding exposure and window rhythm so the join does not announce itself.

Garages & Outbuildings

Detached and attached garages from footing to finish — framing, roofing, siding, doors and the site work around them.

Porches & Outdoor Living

Screened porches, timber framing, decks and the foundation and stonework that carry them.

Remodels & Renovations

Kitchens, baths and whole-room reworks, including the structural changes and mechanical updates behind the finishes.

Why us

Why a commercial contractor is worth having on a home.

Commercial discipline, on a house

Scheduling, written scopes and someone accountable on site are ordinary on a commercial job and rare on a residential one. After 50 years of the former, we bring the same habits to the latter.

One contractor, every trade

Framing, mechanical, electrical, roofing and finish work are carried under one contract, so the hand-offs between them stop being your problem.

We live here

Based on Temple Street in Nashua, building in these towns since 1976. Close enough that a question gets answered the same day, not next week.

Planning an addition, garage or remodel?

We’ll walk the house, tell you honestly what the scope involves, and put a budget in writing. Working across Greater Nashua, Manchester Area, Souhegan Valley, I-93 Corridor, and Northern Massachusetts.