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San Mateo County Health System

Administers the divisions and programs of the Health System.


This is the administrative office for the Health System. The Chief is responsible for administering Aging and Adult Services, Agriculture and Weights and Measures, Animal Control and Licensing, Community Health, Correctional Services, Emergency Medical Services, Environmental Health, Familly Health Services, Health Policy, Planning and Promotion, Mental Health Services, and University of California Cooperative Extension. Animal Control is operated under contract by the Peninsula Humane Society & SPCA (PHS), a private, nonprofit organization, to enforce all animal control and anti-cruelty laws and to provide sheltering for homeless animals and other services. The Peninsula Humane Society & SPCA (PHS) may be reached at (650) 340-8200 and is located at 12 Airport Boulevard, San Mateo, CA 94401. Animal Licensing is operated under contract PetData, Inc., a Texas-based company, to administer licensing for animals that reside within the County. All dogs that reside within the County must have annual rabies vaccinations and be licensed. While vaccinations and licensing is suggested for all cats residing in the County, it is required in the City of Belmont, City of San Mateo, and all unincorporated areas of the County. Proper licensing is essential to ensure compliance with rabies vaccination, reduce the potential for a rabies outbreak in San Mateo County, increase the likelihood of finding an aggressive animal or an animal that has bitten, and reduce the number of people who must receive post-exposure rabies vaccine after a bite. To find out if your pet is licensed or to update your pet's information, please contact PetData, Inc. P.O. Box 141929, Irving, TX 75014. Call toll-free 1 (866) 925-5906 or visit the Web site Formerly known as San Mateo County Health Services Agency, Administration.


Public Transit:

SAMTRANS stops within 1 block.
225 - 37th Avenue, San Mateo, CA 94403 37.5314294 -122.3006094 Government

Service Options

Languages Spoken:

  • Interpreter
  • Spanish
  • Tagalog

Accessibility Options:

  • Disabled Parking
  • Elevator
  • Ramp
  • Wheelchair



Vary according to service. Some services are free.


San Mateo County residents



How to Apply:

Apply by phone.

Service Wait Estimate:

Varies according to service.

Service Areas:

  • San Mateo County