UC Cooperative Extension San Mateo & San Francisco Counties

Contact Us

UC Cooperative Extension for San Mateo & San Francisco Counties is located on the grounds of Elkus Ranch Environmental Education Center in Half Moon Bay, CA. Directions

Administration for all programs is conducted at this location and includes the following programs: 4-H, Elkus Ranch, the UC Master Food Preserver and Master Gardener Programs, and Urban Forestry. Our Nutrition Education program staff are located in South San Francisco.
 

4-H Club Information:

Please complete this information request form and a 4-H representative will contact you directly.
 

UC Master Gardener Helpline: 

phone: (650) 276-7430
email: mgsmsf@ucanr.edu
Submit a Plant or Pest Questions: https://ucanr.edu/mg_helpline

Our (3) Helpline locations are staffed by MG Volunteers per the following schedule:.

  • Elkus Ranch Conference Center /  Mondays: 10am to 1pm
    1500 Purisima Creek Road
    Half Moon Bay, CA 94019
  • San Francisco Botanical Garden Library*  / Fridays: 10:30 to 1:30pm
    1999 9th Avenue
    San Francisco, CA 94122
    *Do not bring any pest or disease samples to this SFBG location!
  • Veteran's Memorial Senior Center  /  Thursdays: 1pm to 4pm
    1455 Madison Avenue
    Redwood City, CA 94061
     
 

UCCE Main Office:

1500 Purisima Creek Road
Half Moon Bay, CA 94019
(650) 726-9059 
email: cesanmateo@ucanr.edu