Per Municipal Ordinance 2015-23 (PDF), all residential and commercial alarms must be registered with the Princeton Police Department every two years. Ordinance 2017-14 (PDF) is a revised fee schedule for the alarm registration. Please take a moment to review these ordinances before completing the Online Alarm Registration form or the online form (PDF) you can mail in with your check. If you have any questions, contact the Princeton Police Department records bureau at 609-921-2100.

Alarm Guidelines

Any alarm that is designed to summon the Princeton Police or fire department or other municipal agency to any location in response to any type of alarm signal is required to be registered and is subject to fines for chargeable false alarms (the exception is individual smoke detectors and CO alarms)  

Burglar alarm
A burglar alarm will be chargeable unless: 

• Patrol finds evidence of a burglary or attempted burglary
• Patrol finds the alarm was set off due to extreme weather conditions/power outages 
• Patrol finds a circumstance exists where the alarm acted properly with no fault of the homeowner (example: a tree branch or baseball goes through a window)  

Fire Alarm
A fire alarm will be chargeable unless:  

• Patrol finds evidence of an actual fire or smoke condition in the residence  
• Patrol finds that an alarm was activated by dust or fumes caused by work or other activities being done in the residence.  
• Patrol finds that a pull station was activated for a legitimate reason  
• Patrol finds a circumstance exists where the alarm acted properly with no fault of the homeowner (example: careless cooking)  

Canceled alarms
A monitored alarm may only be canceled if notification is received by dispatch from the monitoring company prior to the arrival of patrol.