Physical address information for properties in Mono County and the Town of Mammoth Lakes are managed by the GIS Division of the IT Department. 

For street address request and verification information contact:

gis@mono.ca.gov [1]

There is no fee for requesting a street address. Once the address is assigned and processed, it will become part of the County's 911 system. Registered street addresses are also shown in Mono County's Parcel Information System.