Welcome
Connecticut
Description
Connecticut
Postal address
Authentications and Apostilles (if submitted by hand)
Secretary of the State
165 Capitol Avenue, Suite 1000
Hartford, CT 06106
Tel: 860-509-6100
https://portal.ct.gov/SOTS/Legislative-Services/Authentication-of-Documents-and-the-Apostille
Authentications and Apostilles (submitted by mail)
Secretary of the State
P.O. Box 150470
Hartford, CT 06115-0470
Tel: 860-509-6100