Decosta Construction

At DeCosta Construction LLC, we are a small family business that has been serving Central New Hampshire's building needs for over 40 years. Our company was founded in 1980, and since then, we have been dedicated to providing exceptional quality, personal service, and unparalleled value to our clients. Our mission is to build a green future, and we take pride in our commitment to sustainability and energy efficiency.

Our Services

We offer a wide range of services to cater to our clients' diverse needs. Our expertise includes:

Residential Construction

From new home construction to renovations, our experienced team is dedicated to building homes that are not only beautiful but also energy-efficient and sustainable. We are proud to be a certified Energy Star Partner and have extensive knowledge of building techniques and products that minimize environmental impact.

ICF Residential Construction

We specialize in Insulated Concrete Forms (ICF) construction, which provides superior insulation, enhanced structural integrity, and reduced energy consumption.

Excavation and Landscaping

We provide excavation services, including septic systems, foundations, decking, and site work. Our expertise extends to landscaping, property maintenance, and snow removal.

Building and Remodeling

Our skilled carpenters and building professionals excel in a variety of construction projects, including framing, roofing, siding, windows, doors, and painting. We also offer remodeling services for kitchens, bathrooms, and entire homes.

Energy Star Homes

We pride ourselves on building energy-efficient homes that meet the rigorous standards of the U.S. Environmental Protection Agency's Energy Star program. Our expertise in green building techniques, such as geothermal heating and insulation, ensures that our homes are not only environmentally responsible but also provide long-term savings on energy bills.

Commercial and Industrial Services

Our experience extends to commercial and industrial construction projects, including site work, excavation, and specialized services such as insulation and drywall installation.

References and Contact Us

We invite you to visit our website for a comprehensive list of our services and references. Contact us today to discuss your specific needs and how we can tailor our expertise to meet your unique requirements.