For those applying to renew their commissions, please see this document for an approximate timetable to help you know when you need to have your application in to avoid a lapse in your commission.
Notary and Document Authentication Services:
9 am to 1 pm, Monday-Friday, except holidays
Address: 899 North Capitol Street, NE, Suite 8100, Washington, DC 20002
Phone: (202) 727-3117