The Office of Notary Commissions and Authentications (ONCA) will be closed Monday, October 12, 2026 due to a federal holiday.
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

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Office of the Secretary - OS

Office Hours
Monday to Friday, 9 am to 5 pm

Connect With Us
1350 Pennsylvania Avenue NW, Suite 419, Washington, DC 20004
Phone: (202) 727-6306
Fax: (202) 727-3582
TTY: 711
Alternate Number: Notary: (202) 727-3117
Email: [email protected]