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Information on Notary Authentication, Apostilles and Birth, Death and Marriage Certificate Authentication

Authentications:
If you need an authentication of a notary public or city official who is qualified in Westchester County, you must bring in the document with the original notary stamp and signature on it to the Office of the Westchester County Clerk.  Copies cannot be authenticated.  Please be advised that under New York State law, records to verify notary qualification are kept for only 6 years by our office.  A document bearing an acknowledgement older than six years cannot be authenticated.  The fee for each authentication is $3.00 and should be made payable to the "Westchester County Clerk".  If you are submitting the document by mail, send it to The Office of the Westchester County Clerk, 110 Dr. Martin Luther King Jr. Blvd., Attn: Notary Department, Room 330, White Plains, NY 10601.  Please be sure to include a self-addressed stamped envelope. 

Apostilles:
If, in addition to the County Clerk's authentication, you need an apostille, you must contact the Department of State for information.  Mail in Requests can be sent to the Albany location at:

New York Department of State Division of Licensing Services
Apostille and Authentication Unit
99 Washington Avenue, 6th Floor
PO Box 22001, Albany, NY 12201-2001

or the New York City lcoation for in person service at:

New York Department of State Division of Licensing Services
123 William Street, 2nd Floor
New York, NY 10038

Authentication of a Birth, Marriage or Death Certificate:
If you need an authentication of a birth, death or marriage certificate issued by a local clerk in Westchester County, you must bring in a certified copy of the document which has been issued within the last year.  Copies cannot be authenticated.  The fee for each authentication is $3.00 and should be made payable to the "Westchester County Clerk".  If you are submitting the document by mail, send it to The Office of the Westchester County Clerk, 110 Dr. Martin Luther King Jr. Blvd., Attn:  Notary Department, Room 330, White Plains, NY 10601.  Please be sure to include a self-addressed stamped envelope.

Questions? Call us at (914)995-3071 or email .

Visiting Our Office?

Enter through the courthouse and proceed to the third floor.

Richard J. Daronco Courthouse
111 Dr. Martin Luther King Jr. Blvd
White Plains, NY 10601

Hours: Mon - Fri, 8am - 5pm
Passport Hours: 8am - 4:30pm
Closed on official holidays.

Calendar of Events

Tuesday, August 22

Mobile Passport Outreach
White Plains
11am - 2pm

Saxon Woods Pool
1800 Mamaroneck Avenue
White Plains, NY 10605


Thursday, August 24

Mobile Passport Outreach
Yonkers
11am - 2pm

Tibbetts Brook Pool
355 Midland Avenue
Yonkers, NY 10704


Wednesday, August 30

Mobile Passport Outreach
Yonkers
11am - 2pm

Sprain Ridge Park
149 Jackson Ave
Yonkers, NY 10706


Full Calendar of Events