San Diego Municipal Code § 44.0308 Horses

No person shall bring or maintain within the City any horse, unless (a) the number of dwelling units within a one– fourth mile wide belt surrounding the corral, pasture or stable within which such horse is kept, is less than 300 units; and (b) 10,000 square feet of such stable, pasture area, or corral or combination thereof is provided for up to two (2) horses with an additional 5,000 square feet for each horse in excess of two (2); and (c) in the event more than four (4) horses are to be maintained, the permit therefor has authorized or has been amended to authorize the maintenance of such additional horses; and (d) no residence or dwelling exists except such as are owned, maintained or occupied by the owner of such horses within a 75 foot wide belt surrounding the stable, corral or pasture within which such horse is kept. Upon receiving notification from the County Health Department that a horse is being kept in violation of part (a) of this section, as amended in 1975, a holder of a permit under Section 44.0301 or Section 44.0302 of this Code shall have a twelve (12) month grace period starting from the date of such notification in which to remove the horse or horses. (Amended 4–17–1975 by O–11558 N.S.)

(a) The floors of all stables and barns shall be kept free from excreta, and in a sanitary condition. (b) Droppings in corrals shall be raked and cleaned daily. (c) All manure shall be stored in fly and water tight boxes or bins and removed from the premises weekly. (d) Stable or barn structures shall conform to good building practices and the building code requirements. (e) Adequate fencing shall be provided to contain the animals. (“Stables and Barns” added 8–30–1962 by O–8718 N.S.)