Half-Wild Farm eggs are available as an optional buy-on through the Community Supported Agriculture (CSA) box program at Singing Frogs Farm in Sebastopol, CA.
You can also find Half-Wild Farm eggs in the Singing Frogs Farm stall at the following farmers markets:
Santa Rosa Original Certified Farmers Market (Saturdays 8:30am-1pm year-round)
Sebastopol Farmers Market (Sundays 10am-1:30pm year-round)
Occidental Bohemian Farmers Market (Fridays 4pm-dusk Jun-Oct)