The County Clerk maintains naturalization records for the years 1907 through 1924. These records include the following: certificate of arrival, declaration of intention and petitions. A copy of these records is available for a fee of $20.00, payable in cash or money orders only.

A search of these records may be done by mail or in person.

If you do a search in person, the only fee you pay for is the copying fee of $.25 for the use of public copying machines.

To conduct a search by mail, the fee for the search is $10.00, and the fee for the copy is $10.00, for a total of $20.00. However if you have the volume and page number, the fee is only $10.00. This fee is payable by money order only. You can obtain the volume and page number by doing a research in the following website: www.jgsny.org

Mail your request, including the person's name and the years to be searched, with a stamped self-addressed envelope to:

The Kings County Clerk
Supreme Court Building
360 Adams Street
Room 189, Record Room, Basement
Brooklyn, NY 11201

All other naturalization records are maintained by the U. S. Immigration and Naturalization Service at: 1-800-375-5283.