If you're basement has been flooded due to a storm, you can find the Water Damage or Loss Claim Form here.

Claim must be filed in person or by registered or certified mail within 90 days of the occurrence at the NYC Comptroller's Office, 1 Centre Street, Room 1225, New York, New York 10007. It must be notarized. If claim is not resolved within 1 year and 90 days of the occurrence, you must start legal action to preserve your rights.