Residential Suburban Zone (RA):
Farming (excluding animal raising) and truck gardening (including nurseries).
The keeping of equines, bovines, goats or other domestic livestock (other than swine) poultry, fowl, rabbits, chinchillas and other small animals, in conjunction with the residential use of the
lot, provided:
-That these are not for commercial purposes, except that a maximum of two currently licensed equines not owned by the resident of the property may be boarded (for which monetary compensation may be paid or kept on that property as an accessory use.)
-The keeping of equines, bovines, goats or other domestic livestock (other than swine) shall be permitted only on having an area of 17,500 sf or more; provided, however, that such keeping of
domestic livestock shall also be permitted on lots which were of record as of November 19.1996 and qualified for the minimum lot area requirement of 17,500 sf by including the area of one half of the abuting streets. Where equines and or bovines are being kept, the number shall not exceed one equine or bovine for each 4,000 sf of lot area.

Agriculture Zone (A1):
Agricultural uses, including crops, truck gardening, berry or bush crops, tree crops, flower gardening, nurseries, orchards, aviaries, apiaries and mushroom farms.
- the keeping of equines, bovines, goats or other domestic livestock, and not to exceed five swine, and the keeping of poultry, fowl, rabbits, frogs or fish, chinchillas and other small animals
conjunction with the residential use of the lot provided;
-that these activities are not for commercial purposes, except that a maximum of the two currently licensed equines not owned by the resident of the property may be boarded ( for which
monetary compensation may be paid) of kept on that property as an accessory use, and except that chickens, rabbits and chinchillas may be kept for commercial purposes on lots of five acres or more
-The keeping of equines, bovines, goats or other domestic livestock (other than swine) shall be permitted only on having an area of 17,500 sf or more; provided, however, that such keeping of domestic livestock shall also be permitted on lots which were of record as of November 19.1996 and qualified for the minimum lot area requirement of 17,500 sf by including the area of one half of the abuting streets. Where equines and or bovines are being kept, the number shall not exceed one equine or bovine for each 4,000 sf of lot area.

For Agriculture Zone (A2) and other rare zones, please consult the following website:
http://www.amlegal.com/nxt/gateway.dll?f=templates&fn=default.htm&vid=amlegal:lapz_ca

Summary of Animal Laws Los Angeles

Per the Los Angeles Department of Animal Services:

Chickens may not be within 20 feet of owner’s residence, and must be at least 35 feet from any
other dwelling. Crowing fowl must be 100 feet from any dwelling.

Per the Los Angeles Building and Safety Zoning Code the following uses are allowed:

Residential Zones (R1, R2, R3, R4) & Residential Estate (RE) & Limited Commercial (C1) Zones:
Truck Gardening (except in nurseries); the keeping of equines, poultry, rabbits and chinchillas in conjunction with the residential use of the lot, and subject to the following limitations;
- animal keeping cannot be for commercial purposes
- domestic livestock the keeping of equines shall be permitted only on lots having an area of 20,000 sf or more. Where equines are being kept, the number of small animals being kept shall not exceed one for each 5,000 sf of lot area.

Commercial Zones (C2):
In addition to the allowed uses mentioned in Residential and Limited Commercial Zones, the following commercial animal keeping uses are allowed:
Bird store or taxidermist, or a pet shop for the keeping or sale of domestic or wild animals, other than those wild animals specified in the definition of “Accessory Use” as set forth in Section 12.03 of this Code, under an appropriate permit issued by the Department of Animal Services as provided in Section 53.38 of this Code.
For more information you may check the legal zoning code page:
http://www.amlegal.com/nxt/gateway.dll?f=templates&fn=default.htm&vid=amlegal:lapz_ca
We assume that if pet shops are allowed, the selling of small farm animals such as chickens or quails would be allowed also with the proper Department of Animal Services permit…