In-Laws Construction LLC

Welcome from In-Laws Construction, LLC. We are a family oriented team of professionals experienced in new construction and remodeling. We are committed to providing top quality homes and custom renovations.  Many of our customers that choose our company become part on the "In-Laws" because they come back for all their project needs.  We develop long term relationships with our customers.

With combined experience of over 40 years, this team of professionals has gained a wealth of experience throughout the construction industry. From its inception in 1998, In-Laws Construction LLC has built a lengthy list of satisfied customers from projects including small and large industrial developments, multi-unit dwellings, single family homes and more.

A master craftsman, owner Roger Demanche Jr. has been recognized statewide as one of the largest contractors in the state (New Hampshire Business Review) and has been the Remodeler of the Year.

Currently serving as the past President of the Home Builders and Remodelers Association of New Hamphire (HBRANH). Roger is also active in the local association, Southern NH Home Builders and Remodelers Association (Southern), serving on the state nominating committee for the HBRANH, was president of the local association (Southern) for two (2) years, serving eight (8) years on the board, and memberships on the first "President's Council", the Sales and Marketing Council, and Build Green NH Council.

With a crew of professionals experienced in building and construction, In-Law's team is committed to providing the highest quality products on time and on budget.