Report a Crime

The Nassau County District Attorney’s Office Criminal Complaint Unit is now open to accept walk-in complaints by appointment only. Please call 516-571-3505 to schedule an appointment. Visitors can expect to wear a mask and have their temperature checked upon entering the building.


To report a crime by email:

Step 1: Download and complete: Complaint Interview Sheet  

Step 2: Email completed forms to the Criminal Complaints Bureau at

To report a crime by phone:

Please call 516-571-3505, leave a voicemail message with your name, contact information, and the reason for your call and a member of our staff will follow-up.


Nassau County District Attorney Tipline 

Phone: 516-571-7755 


  • Press 1 to report Sexual Abuse, Child Abuse, or Elder Abuse
  • Press 2 to report Tax, Welfare or Medicaid Fraud
  • Press 3 to report Frauds targeting immigrants
  • Press 4 to report Insurance Fraud
  • Press 5 to report Narcotics or Gang Activity
  • Press 6 to report Corruption
  • Press 7 to report Human Trafficking, Sex trade, or Prostitution Activity
  • Press 8 to report Animal Abuse, Neglect, or the illegal possession of an exotic or dangerous animal
  • Press 9 to report Pollution, Dumping, or other Environmental Crime
  • For other matters, or If you would like to reach the District Attorney’s Criminal Complaint Unit, press 0