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Pursuant to Section 130 of the New York State General Business Law, if you are conducting any business in the County of Westchester under a name other than your own, and are not a corporation, limited partnership or limited liability company, you must file a Business Certificate indicating your Westchester County address in our office.

Getting Started

Once you have determined that your desired business name is available, sole proprietors should submit an original of a notarized Business Certificate. Read More.

Changing or Closing A Business

If the information provided in your Business Certificate changes, you must file an Amended Business Certificate with the Office of the Westchester County Clerk.  Read More.

Corporations, Limited Liability Companies and Limited Partnerships

If you wish to set up your business as a corporation, limited partnership, or limited liability company, you should visit the New York State Department of State, Division of Corporations website for more information.

Limited Liability Company (LLC)

The role of the Westchester County Clerk is limited to designating the two publications in which you must publish the required notice of formation.  Read More.

Calendar of Events


May 30, 2016

Memorial Day
Office Closed
Office will reopen on Tuesday, May 31st at 8 am


June 1, 2016

Mobile Passport Outreach - Cortlandt Manor
11 am - 2pm
Cortlandt Town Hall, 1 Heady Street, Cortlandt Manor

June 2, 2016

FREE Online Training for the NYSCEF System
10:30-11:30 am
Register here and list of classes here

Calendar of Events

Visiting Our Office?

To visit our office, enter through the Richard J. Daronco Courthouse located at 111 Dr. Martin Luther King, Jr. Blvd. in White Plains. Our office is open Monday through Friday from 8 a.m. until 5 p.m., excluding official holidays.