In addition to the purposes prescribed in HMC § 20.04.010, the Open Space District is hereby established to achieve the following objectives:
A. 
Reserve appropriately located sites for agriculture and open space uses in accord with the General Plan.
B. 
Encourage the preservation of areas of the city which are of agricultural, historic, cultural, recreational, social and aesthetic value.
(Ord. 950 § 2 (Exh. A § 1100), 1998; Ord. 1090 § 2 (Exh. A § 1100), 2009)
The following uses may be permitted in the Open Space District:
A. 
Agricultural uses, including vineyards, field crops, truck gardening, bush and berry crops, orchards, flower culture and horticultural experimentation.
B. 
Public open space lands and uses of permanent open spaces, including parks, playgrounds, and other types of public open space facilities.
C. 
Riding, hiking and bicycle trails limited to non-motorized vehicles.
D. 
Open space areas dedicated to the City or other public agency.
E. 
Officially designated historical sites, scenic areas, recreational areas and parkways.
F. 
Open space areas conveyed to trustees by means of an indenture establishing an association of property owners or similar organization and subject to covenants running with the land that provide for the maintenance of the open space in a manner that assures its continuing use for its intended purposes and that provide the legal means to enforce provisions of the covenant.
G. 
Concessionaires and commercial establishments ancillary to a permitted use, subject to the issuance of necessary permits from the City of Healdsburg.
H. 
Pumping stations, power stations, municipal electrical facilities, equipment buildings and installations, drainage ways and structures, water wells, reservoirs and water storage tanks.
I. 
Incidental and accessory uses and structures located on the same site.
J. 
One-family residences, one accessory dwelling unit subject to HMC § 20.20.010, and home occupations subject to HMC § 20.20.005.
K. 
Private stables or areas for the keeping of one horse, cow, llama, goat or similar large farm or hobby animal on a site not less than two acres in net area; provided, that one additional large animal may be kept for each additional acre of area of the site; and provided, that no stable shall be located closer than 50 feet to any property line, closer than 50 feet to any dwelling unit on the site, or closer than 100 feet to any other dwelling on surrounding properties.
L. 
Raising of poultry, rabbits, chinchillas, potbellied pigs and other small animals for commercial purposes on a site at least 20,000 square feet in net size; provided, that there shall be at least 1,000 square feet of site area for each fowl or animal, and provided that no structure housing poultry or small animals shall be closer than 50 feet to any property line or closer than 25 feet to a dwelling on the site.
(Ord. 950 § 2 (Exh. A § 1105), 1998; Ord. 956 § 2 (Att. A § 1105), 1999; Ord. 1090 § 2 (Exh. A § 1105), 2009; Ord. 1159 § 9, 2016)
The following uses are allowed in the Open Space District subject to the approval of a conditional use permit as provided for in Chapter 20.28 HMC, Article V:
A. 
Wineries.
B. 
Tasting of food and non-alcoholic beverage products produced on site.
C. 
Kennels.
D. 
Riding academies and stables.
(Ord. 1090 § 2 (Exh. A § 1107), 2009)
The following standards shall govern development within the Open Space District.
A. 
Minimum lot area: Five acres;
B. 
Minimum yards: As determined by planning commission;
C. 
Maximum building height (primary structures): 35 feet;
D. 
Off-street parking: As determined by planning commission;
E. 
Signs: As allowed by the planning commission;
F. 
Maximum site coverage: 10 percent.
(Ord. 950 § 2 (Exh. A § 1110), 1998; Ord. 956 § 2 (Att. A § 1110), 1999; Ord. 1090 § 2 (Exh. A § 1110), 2009)