County Service Areas (CSAs)
Emergency Medical Services administers two County Service Areas (CSAs) for the provision of emergency ambulance services. You can determine if your residence is within one of these CSAs by reviewing your tax bill.
Questions:
- Property tax inquiries: Please call the County of San Diego, Emergency Medical Services Office at (619) 285-6429 or EMSnotifications@sdcounty.ca.gov.
- For CSA 17 (Del Mar, Solana Beach, Encinitas, Rancho Santa Fe) ambulance billing and medical records inquiries, please call Digitech at 877-904-5704.
- For CSA 69 (Lakeside and Santee) ambulance billing and medical records inquiries, please call Digitech at 800-901-9122. Medical record requests can also be sent to the transporting agency: Lakeside Fire Protection District or Santee Fire Department

CSA 17 consists of:
- Del Mar
- Del Mar Heights
- Solana Beach
- Encinitas
- Rancho Santa Fe
- Portions of Elfin Forest.
Ambulance service is provided through American Medical Response (AMR). Click the Image for a downloadable map.
CSA 69 consists of:
- Santee
- Lakeside
- Portion of the San Miguel Consolidated Fire Protection District.
Ambulance service is provided through the Lakeside and Santee Fire Departments. Click the Image for a downloadable map.