Some residential properties in Yorba Linda are located outside the City’s sphere of influence and reside in the “unincorporated” area of the City. Services for these property locations are provided by the County of Orange. To verify property details and City boundaries, visit Map Yorba Linda, the City's web-based web-based mapping application.
If you have questions regarding services in the unincorporated areas of the City, please contact the County of Orange using the contact information below.
Orange County Fire Authority Emergency: 911 General Information: 714-573-6000 Website
Orange County Sheriff’s Department Non-Emergency/Dispatch: 714-647-7000 Website
Orange County Sheriff’s Department 714-647-1851
County of Orange Public Works Operations and Maintenance Divison 714-955-0200 Website
County of Orange Integrated Waste Management Department 714-834-4000 Website