San Diego County, California: Farm & Ranch Directory
16 farm and ranch listings in San Diego County, California, grouped by category below.
Events in San Diego County
- San Diego County Fair
San Diego County Fair in Del Mar, San Diego County. Held each year; the most recent dates were Jun 10 to Jul 5, 2026. The Del Mar fair runs for nearly four weeks.
- San Diego County Fair Junior Livestock Auction
Held each year during the fair; the most recent auction was June 27, 2026, noon to 5 p.m. 4-H, FFA, Grange and independent youth sell swine, lambs, goats, beef and meat pens.
Del Mar, CA Official event details
Farms & Ranches in San Diego County
- Bantle Avocado Ranch
Avocado grower selling fruit by online delivery, with a pickup point in Carlsbad.
Carlsbad, CA - Be Wise Ranch
Escondido farm offering a community supported agriculture box program for San Diego County households.
Escondido, CA - Coastal Roots Farm
Encinitas farm operating a farm stand open to the public along the North County coast.
Encinitas, CA - Diamond B Ranch
Backcountry ranch selling direct to customers around Julian, Ramona, Warner Springs and Santa Ysabel.
Julian, CA - Mountain Meadow Mushrooms
Escondido mushroom grower selling direct to local customers.
Escondido, CA - Rio Del Rey Heirloom Dry Beans
Valley Center farm growing heirloom dry beans and selling them direct to consumers.
Valley Center, CA
Organizations in San Diego County
- Resource Conservation District of Greater San Diego County
Resource Conservation District of Greater San Diego County is a California special district that provides conservation help to avocado, citrus and nursery growers across San Diego; it is part of the state network of resource conservation districts in San Diego County.
CA - San Diego County Agricultural Commissioner
San Diego County agricultural commissioner and sealer office, based in San Diego, California; street location 9325 Hazard Way.
9325 Hazard Way, San Diego, CA 92123 | (858) 694-2778 - San Diego County Farm Bureau
County farm bureau for San Diego County, one of the state's most diverse farm counties; its site carries a mission statement and member information for growers.
CA Website - UC Cooperative Extension San Diego County
UC Cooperative Extension county office for San Diego County, with farm advisors, 4-H and Master Gardener programs; local topics include avocados, citrus and nursery crops.
CA Website
Farmers Markets & Farm Stands in San Diego County
- City Heights Certified Farmers Market
City Heights Certified Farmers Market in San Diego, San Diego County, meets Saturdays, 9a-1p at Wightman and 43rd St.
Wightman and 43rd St, San Diego, CA - Poway Certified Farmers Market
Saturday market from 8 am to 1 pm, open all year in the Old Poway area.
14134 Midland Road & Temple, Poway, CA 92064 | (619) 249-9395 - Ramona Certified Farmers Market
Thursday afternoon and evening market all year in Ramona, a backcountry ranching and wine area; hours shift from 3 pm in winter to 4 pm in summer.
7th Street & B Street, Ramona, CA | (760) 317-0958 - Santa Ysabel Certified Farmers Market
Saturday and Sunday market, 10 am to 6 pm all year, at the junction in the mountain apple-growing community of Santa Ysabel.
21887 Washington St. at Hwy. 78 & 79, Santa Ysabel, CA 92070 | (760) 782-9202
Helpful Guides for San Diego 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.
- California Resource Conservation Districts
How California's resource conservation districts work: locally governed special districts with five, seven or nine member boards, voluntary help for landowners, grants and tax shares, running for a seat, and how to find your RCD.