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Contact GPD


Public Safety BuildingPolice Department
75 E. Civic Center Drive
Gilbert, AZ 85296

Santan Substation
4760 S Greenfield Rd, Gilbert, AZ 85297
(Greenfield and Queen Creek) 
Monday-Thursday 7 a.m. – 6 p.m., Friday - Closed  

(480) 503-6500
In-Progress Crime or Emergency

File a Commendation or Complaint

Gilbert Police Records
(480) 635-7020

Crime Prevention
(480) 503-6527

(480) 635-7400

(480) 635-7711

Youth and Adult Resources
(480) 635-7701

 Police Department Tours
(480) 503-6527 or email

Dorn, Tim

Tim Dorn
  • Departments:Police Department
  • Title:Chief of Police
  • Email:

Chief Tim Dorn has served his country, state, and community as a law enforcement officer and as a member of the Army National Guard for more than thirty-eight years.

He began his law enforcement career as a reserve deputy sheriff with the Maricopa County Sheriff’s Office in 1975. In 1976, Chief Dorn became a police officer with the Gilbert, Arizona Police Department where he served as a patrol officer until 1978, at which time he became a deputy sheriff with the Maricopa County Sheriff’s Office. He served with the Sheriff’s Office for nearly twenty-four years, retiring at the rank of captain. Upon retirement, Chief Dorn returned to the Gilbert Police Department as a commander over the field operations division. Dorn served as Gilbert’s interim chief of police from December 2005 until May 2006, when he was permanently appointed as chief of police.

Chief Dorn served eight years as an enlisted military policeman in the Arizona Army National Guard and Army Reserve. He was commissioned as a second lieutenant in the Army National Guard upon graduation from Officer Candidate School (OCS) in 1982. Dorn retired from the Arizona Army National Guard at the rank of colonel on January 31, 2011, following thirty-six years of military service. His last duty assignment was as Brigade Commander, 158th Maneuver Enhancement Brigade, Arizona Army National Guard.

In January 2003, Colonel Dorn was called to active duty in support of Operation Iraqi Freedom, where he served until February 2004. He commanded a Rear Area Operations Center, which was attached to the 3rd Infantry Division during ground combat operations in Iraq. The unit was responsible for planning and defending 3 ID’s logistics support assets during the initial invasion and liberation of Iraq. Upon cessation of ground combat operations, and the fall of Baghdad, Dorn’s unit was re-assigned to the Coalition Joint Forces Headquarters, Baghdad, where it was responsible for base defense and force protection operations at Camp Victory.

Military awards include the Legion of Merit, Bronze Star Medal, Combat Action Badge, Good Conduct Medal, National Defense Service Medal, Global War on Terrorism Expeditionary Medal, Iraq Campaign Medal, Army Meritorious Service Medal, Army Commendation Medal and the Adjutant General’s Medal.

Dorn had been awarded a Master of Arts in Criminal Justice with Honors degree from American Military University and is a graduate of the 175th Session of the FBI National Academy.

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