The Maricopa County Sheriff’s Office (MCSO) is a public law enforcement agency serving Maricopa County, Arizona, with its headquarters in Phoenix. Its work includes patrol, criminal investigations, detention and custody services, and specialized operations. The office also provides community programs, victim services, crime prevention information, and public safety resources.

Residents can use its website to find district offices and jails, locate inmates or mugshots, look up warrants, request reports, submit tips, and access information about offender registration. MCSO offers resources for families and people affected by crime, including victim assistance, protective-order information, and guidance on reporting crimes and common frauds. Through RAIDS Online, residents can view reported crime activity on a map and sign up for email updates; the office notes that the information is for public awareness and may contain errors.

The site also shares information about careers, deputy sheriff and detention deputy roles, cadet programs, public records, policies, audits, and community events. MCSO provides emergency and non-emergency contact channels, as well as Spanish-language resources