GSDI's executive offices are open Monday-Friday from 8:00 a.m. - 4:30 p.m. (Note: From Memorial Day - Labor Day office hours are 8:00 a.m. - 4:00 p.m. Monday-Thursday; 8:00 a.m. - 12:00 noon on Fridays)
Granite State Designers and Installers Association
53 Regional Drive, Suite 1
Concord, NH 03301
Click here for driving directions to our offices.
Click here for Google map directions.