Police District 4


2100 South Clay St
Denver, Colorado


Email: 4.Dist@Denvergov.org
Phone: 720-913-0200 
Fax:  720-913-0207

District Commander William F. Nagle

After coming to Denver as a geologist in 1979, Commander Nagle decided to change careers and was sworn in as a Denver Police Officer in 1988. Working in numerous assignments with the department, he utilized his skills as a geologist to introduce geologic mapping techniques for tracking of Denver crime statistics. He is a firm believer of Chief Robert C. White’s goal of reformulating the department to emphasize crime prevention and community policing. Commander Nagle also hopes to help foster academic success of our children at school... Read bio

Neighborhood Resources

To learn more about how to start a neighborhood watch program, visit our neighborhood crime prevention page.

The Denver Community Resource Officer Program provides community assistance on issues such as neighbor disputes, public nuisances, zoning issues, fraud and crime prevention, and other neighborhood concerns. Community Resource Officers (CROs) attend regular meetings with neighborhood organizations to provide training on issues pertaining to, but not limited to the Neighborhood Watch program, commmercial and home security, gang awareness, crime prevention, and more. 

Contact Information
Officer Nicholas Grove

Office: 720-913-0276

Cell: 720-641-1167

Officer Joshua Vasconcellos
Office: 720-913-0277

District Four CROs are supervised by Sergeant Heimbigner. He can be reached at 720-913-0200 or by e-mail at jerry.heimbigner@denvergov.org.
Is your peace of mind being challenged or disrupted by criminal activity in your neighborhood? Learn more about what you can do about public nuisances such as:
  • drug violations
  • gambling
  • sex offenses
  • weapon offenses
  • gang activity
  • noise offenses
  • disturbing the peace
Find a list of neighborhood organizations on a map in your area!
  • Have good locks on doors, screen doors, windows and window screens
  • Keep one of the pair locked at all times
  • NEVER under any circumstances let anyone know you are alone in the house
  • At night or if away, lower window shades, keep lights on in at least 2 locations
  • Going on vacation? Call your District Police Station and notify them
  • Suspend paper and mail deliveries when going out of town
  • Always lock your vehicle, even if it is in front of your home
  • Keep your house key and vehicle key separate
  • Always keep a copy of your vehicle registration, license number and VIN on you
  • Do not warm up your vehicle in the morning without you being in it
  • If you must leave valuables in your vehicle, place in the trunk or cover them
  • Approach your parked vehicle from the passenger side - this gives you the opportunity to observe under your vehicle while walking
  • Before entering your vehicle, look inside of your vehicle front and back area for suspicious circumstances

More information on crime prevention...

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