The Mariposa County Sheriff's Department Administrative Building is located at 5099 Old Highway North in Mariposa. The Administration Building is open from 8 a.m. to 5 p.m. Monday through Friday. Listed below is the mailing address, phone number and fax number:

Mariposa County Sheriff's Department
P.O. Box 276
Mariposa, CA 95338
Phone Number: 209-966-3615 or 800-774-8314
Fax Number: 209-742-5090

Administration building
  • Across the street is the former Jail which now houses the 24 hour dispatch facility and provides the following list of services to the community at this location;
  • Finger Printing: Open by Appointment only. Please Call the Mariposa Sheriffs office to schedule an appointment.                  209- 966-3615 opt: 3
  • Copies of Reports: 8 a.m. to 5 p.m.
  • Miscellaneous Permits: 8 a.m. to 5 p.m.
  • Dog Licenses: 8 a.m. to 5 p.m.
  • Civil Processing- Persons can drop off civil process Monday – Thursday 8- 4:00; Friday 8-3 pm, excluding Holidays. Civil Process received on Fridays will be processed on the following business day. Civil’s can be mailed to PO Box 276, Mariposa, CA 95338.  Civil processes with incomplete instructions or lack of proper payment will not be processed until the errors are corrected.  Please make sure you include a valid contact number with your instructions.
  • Letter of Instruction to the Sheriff (PDF)
  • Due to Covid-19 the Sheriff’s Office Civil window will have limited civil service until further notice. Same day processing and service is not guaranteed. Please call 209-966-3615 if you have further questions. 


The Mariposa Sheriff's Department Dispatch Center is located at 4963 10th Street in Mariposa, which is located directly across from the Mariposa Sheriff's Department Administration Building. You can telephone the Dispatch Center at 209-966-3614. All 911 calls for Mariposa County are first received at this location.

Law Enforcement

The Deputies of the Mariposa Sheriff's Department handle a variety of incidents ranging from statutory crimes to general public assistance. If you need the assistance of a Deputy telephone 209-966-3615, or if it is an Emergency dial 911.

To view our current Policies Current Policies

Law enforcement patch


During the Summer Months the Mariposa County Sheriff Department performs boat patrols on Lake McClure to ensure your safety.

boat patrol