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

Business Office

The Mariposa County Sheriff's Department Business Office is our newest office located at 5284 Hwy 49 N in Mariposa.  The office will be open Monday - Friday 8 a.m. to 5 p.m.

Services available:

  • Finger Printing: Open by appointment only. Please Call the Mariposa Sheriffs office to schedule an appointment. 209- 966-3615 ext 2224
  • Conceal Carry Permit: Open by appointment only: Please Call the Mariposa Sheriffs office to schedule an appointment. 209- 966-3615 ext 2224
  • Report Request & Release
  • Miscellaneous Permits
  • Dog Licenses
  • Civil Processing- Persons can drop off civil papers directly to the office or in our drop box for after hours. Civils' can also 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)

*Lobby computer available for public access to all county online services/forms*


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