Captain Robert McMahan

Captain Robert McMahan

Captain Robert McMahan

Captain Robert McMahan started his career with the Arapahoe County Sheriff's Office in 1988 working as a deputy in the Detention Division. He came to Douglas County in 1990 and served in Patrol and Investigations. He was promoted to Sergeant in 1995 and Lieutenant in 1997. He served as a Patrol watch commander and as a SWAT member/sniper and Team Commander. He organized the jail SORT team as their commander in 2003. Robert is a graduate of Douglas County High School class of 1981 and graduated from Colorado State University with a Bachelors Degree. Robert attended the Northwestern University Center for Public Safety School of Police Staff and Command in 2004. He is also Douglas County’s first Certified Jail Manager.

Captain McMahan is currently assigned to the Professional Standards Division.

Douglas County Sheriff

Justice Center

4000 Justice Way
Castle Rock, CO 80109
Phone: 303.660.7505

Office Hours

Monday through Friday
8:00 a.m. – 5:00 p.m.


Highlands Ranch Substation

9250 Zotos Drive
Highlands Ranch, CO 80129
Phone: 303.784.7800

Office Hours

Monday through Friday
7:30 a.m. – 5:30 p.m.


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