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Contact us

The UC Master Gardeners are certified UC volunteers located throughout San Mateo and San Francisco Counties. Our office in Half Moon Bay is the center of our activities and hosts one of our Helpline offices, where we assist home gardeners with questions about gardening and pest management. UCCE staff, based in Half Moon Bay, provide expertise and guidance to the Master Gardener volunteers.

UCCE Office Information

San Mateo-San Francisco Counties
Cooperative Extension San Mateo-San Francisco Counties
1500 Purisima Creek Road
Half Moon Bay, CA 94019
Phone: (650) 726-9059