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.

IN AN EMERGENCY, ALWAYS CALL 911.

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 info@nassauda.org

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.

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Nassau County District Attorney Tipline 

Phone: 516-571-7755 

EXTENSIONS

• 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