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)

Mailing Address: 

    Granite State Designers and Installers Association
    53 Regional Drive, Suite 1
    Concord, NH  03301

Phone: 603-228-1231
Fax: 603-228-2118

Click here for driving directions to our offices.

Click here for Google map directions.