Living in the Bay Area and knowing others on here probably keep or want to keep chickens, I though I'd post some links to the laws in the area. Most are County laws and some local city laws. San Francisco City and County Alameda County City of Oakland City of Berkeley (Opens in PDF) San Mateo City of Pittsburg (opens in PDF) I believe this is for all of Contra Costa County City of San Jose Napa County Abstract not found online: No live animals, birds, or fowl shall be kept or allowed within 6 meters (20 feet) of any area where food is stored or held for sale or of any place of dwelling. This subdivision does not apply to guide dogs, signal dogs, or service dogs when used in the manner specified in Section 54.l of the Civil Code. Contact Numbers for: Alameda County (925) 803-7040 Solano County (707)784-1356 Napa County (707) 253-4517 Contra Costa County (925) 335-8300 Santa Clara County (408) 465-2920. San Mateo County (650) 340-8200 San Francisco County (415) 554-6364 Marin County (415) 883-4621 This in no way is a complete listing nor does it cover everything. Please check with your local city/town jurisdictions.