You should get a license renewal package about 3 months before your license expires.

You can also renew your license by going to the Department of Consumer Affairs Licensing Center at 42 Broadway (between Morris Street and Exchange Alley), 5th Floor, New York, NY, 10004. It is open from 9:00 AM to 5:00 PM on Monday, Tuesday, Thursday, and Friday and from 8:30 AM to 5:00 PM on Wednesday.