Master Gardeners of San Mateo & San Francisco Counties
University of California
Master Gardeners of San Mateo & San Francisco Counties

Contact us

The Master Gardeners are certified UCCE volunteers located throughout San Mateo and San Francisco Counties.  Our office in Half Moon Bay is the center of our activities and hosts our Garden HelpLine, where we assist home gardeners with questions about gardening and pest management. 

Gardening HelpLine 
650-726-9059 x 107
mgvhelpline@ucdavis.edu

Volunteer Master Gardeners staff the HelpLine in the office on Mondays and Thursdays from 9am - 4pm.  If we're not in, please leave us a voicemail or email us your question.

During these hours, you are also welcome to visit us in our office to consult with us.

UCCE Master Gardeners of San Mateo & San Francisco Counties
80 Stone Pine Road # 100
Half Moon Bay, CA, 94019 

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