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Terra Firma Farm


We are a 200 acre certified organic farm that grows fruit and vegetables year-round. We have a CSA program that serves the San Francisco Bay area, Davis, Sacramento, Vacaville, and our hometown of Winters, California. We value our employees and customers who are like family to us. They have been essential in making our farm what it is today.

Contact Information

  • Contact Name: Paul Underhill
  • Phone: 530-795-1112
  • Fax: 530-795-1631
  • Email:
  • Address: P.O. Box 836 , Winters, YOLO, California 95694, US

CCOF Programs

  • Certification: USDA NOP
    Status: Certified
    Date: March 1, 1988
  • Certification: Handling
    Status: Certified
    Date: May 11, 2010
  • Certification: Crops
    Status: Certified
    Date: March 1, 1988



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