Orange County, California: Farm & Ranch Directory
8 farm and ranch listings in Orange County, California, grouped by category below.
Events in Orange County
- OC Fair
OC Fair in Costa Mesa, Orange County. Held each year; the most recent dates were Jul 17 to Aug 16, 2026. A month-long summer fair at the OC Fair & Event Center.
Farms & Ranches in Orange County
- Tanaka Farms
Fourth-generation Irvine farm with a produce stand, CSA, U-pick, school tours, a pumpkin patch and holiday festival, growing over 60 fruit and vegetable varieties.
Irvine, CA Website
Organizations in Orange County
- Orange County Agricultural Commissioner
The Orange County agricultural commissioner's office works from 222 E Bristol Ln, Orange, handling local agriculture regulation and weights and measures for the county.
222 E Bristol Ln, Orange, CA 92865 | (714) 955-0100 - UC Cooperative Extension Orange County
UC Cooperative Extension county office for Orange County, with farm advisors, 4-H and Master Gardener programs; local topics include nursery crops and suburban landscapes.
CA Website
Farmers Markets & Farm Stands in Orange County
- Costa Mesa Certified Farmers Market
Costa Mesa Certified Farmers Market in Costa Mesa, Orange County, meets Thursdays, 9a-1p at 88 Fair Dr.
88 Fair Dr, Costa Mesa, CA - Irvine Regional Park Certified Farmers Market
Tuesday market, 9 am to 1 pm all year, inside Irvine Regional Park, the county's oldest regional park.
1 Irvine Park Rd., Orange, CA 92869 | (714) 292-1406 - Laguna Beach Certified Farmers Market
Saturday morning market from 8 am to noon, open all year in the seaside arts town.
Forest Rd. & 3rd St., Laguna Beach, CA | (949) 301-9180
Ag Education in Orange County
- California State University Fullerton U-ACRE Program
California State University Fullerton U-ACRE Program in Fullerton, California, appears in UC Cooperative Extension's guide to farm and gardening training programs for new growers in Orange County.
Fullerton, CA
Helpful Guides for Orange County
- California Fairs and Youth Livestock Shows
A practical guide to California fairs and junior livestock shows: the CDFA fair network, 2026 dates, 4-H and FFA eligibility, ownership and tagging rules, YQCA, and how terminal auctions work.
- UC Cooperative Extension in California: County Offices, 4-H and Master Gardeners
How UC Cooperative Extension serves California's 58 counties: farm and natural resources advisors, 4-H enrollment and fair animal ownership rules, Master Gardener and Master Food Preserver programs, and how to find your county office.