Depending on the permit account type and related District Office, this responsibility may fall to the permit account owner (building owner, manager, or tenant) and their equipment vendor. To renew in person, visit the testing center of FDNY at 9 MetroTech Center, Brooklyn, NY 11201. FAQ for the Certificate of Fitness (COF) On-Line Renewal option for Company Coordinators. 12 months only. The certificate can be renewed On-line, by Mail or in Person. There is a fee of $5 to replace a card. Below is the information to obtain a Certificate of Fitness. Most certificates are valid for 3 years.? After three years have passed, you can pay a $15 fee to renew your certification. City of New York. If you arrive late, you may not be allowed to take the test. There are FAQs and Power Points available for Certificates of Fitness. Open Monday to Friday, 8:00 am to 2:30 pm. To renew by mail, send renewal fee with the renewal notice to the address below, attention to Cashier's Unit. The 8 Most Common FDNY Certificates of Fitness New York. Related Questions What is an FDNY Notice of Violation?