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Elevating Home Building in New Hampshire Join the largest homebuilding association north of Boston. Representing over 500 members and 27000 professionals we are committed to excellence advocacy and member value. Contractor Info Home Show Cornerstone Awards Advocacy Join now About Us Building a Better Future The New Hampshire Home Builders Association NHHBA is a trade association for professional home builders remodelers and others who work in the residential construction industry across NH. We are proud to be the largest home building association north of Boston providing valuable services for our over 500 members and growing representing over 27000 people working in the residential construction trades.