NHD Office Address Change, Please Update:
4511 Knox Road, Suite 205
College Park, MD 20740
*If you are tax exempt you will need to call the NHD Office @ (301) 314-9739 and place your order. This applies to D.C., MARYLAND, and VIRGINIA only. You can also send your order via e-mail to email@example.com. Included in the email should be a copy of your tax exempt certificate as well (click “order form” link below).