Welcome to Groen Construction, Inc.

A New Hampshire (NH) Commercial Construction and Custom Home Builder

When you build a custom home or commercial building, you are purchasing not only a product but also a service. 

As an experienced builder with over 20 years of experience, we control the quality of our workmanship to the highest standards. Groen Construction’s internal and external qualified personnel are committed to maintaining this high level of excellence. We consistently strive to provide the best possible customer experience before, during, and after the construction process.

Your life and your work are one of a kind. Your needs, challenges, and goals are also unique. So why choose a builder who treats you like everyone else?

You deserve a local NH construction company who understands you – and how to fulfill your building requirements so your project is on time, on budget and to your satisfaction.

Learn why Groen Construction has earned the reputation of being a trusted custom home and commercial builder in New England for over two decades. Find out what makes us different – just like you.

ICF Construction Experts

Building with ICFs allow concrete homes and commercial buildings to be built stronger, more energy efficient, more comfortable and more environmentally friendly.

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New Hampshire (NH) Commercial Construction & Custom Home Builder
Leader in Insulation Concrete Form (ICF) Construction with 20+ years of experience


120 Washington Street, Suite 302

Rochester, NH 03839

Enegy Star Energy Efficient Partner Builder NH
2016 | 2018 | 2020
ICF National Award Winner
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Copyright © 2018, Groen Construction

ENERGY STAR is the government-backed program that helps us all save money and protect our environment with energy-efficient products and practices. Whether you are looking to replace old appliances, remodel your home, or buy a new house, ENERGY STAR can help. More than 60 types of products, including appliances, televisions, computers, heating and cooling equipment, and even new homes can earn the government's ENERGY STAR label. ENERGY STAR also offers best-practice solutions to make your home more comfortable and reduce your energy costs.