A. 
OS District—Permitted Uses. The following uses are allowed in the OS District, and a conditional use permit is not required.
1. 
Managed Open Space intended for the Protection of Natural Habitat.
2. 
Utilities, Minor.
3. 
Accessory uses are permitted on the site of a permitted use and are limited to facilities incidental to an open space use.
B. 
OS District—Conditionally Permitted Uses. The following uses are allowed in the OS District, subject to the approval of a conditional use permit. (Certain uses are subject to special requirements and/or limitations, as prescribed following the individual use classification.)
1. 
Accessory Uses are subject to a use permit when on the site of a conditional use and are limited to facilities incidental to an open space use.
2. 
Farmers' Market.
3. 
Park and Recreation Facilities.
4. 
Public Safety Facilities.
5. 
Placement of Dredged Material from San Francisco Bay.
6. 
Utilities, Major. (A use permit is required for electrical substations, switching buildings, recycling or disposal facilities, water storage facilities, water or wastewater treatment facilities, transportation or communication utilities, and similar facilities of public agencies, or public utilities.)
7. 
Telecommunications, New Monopoles and Towers. (Subject to the regulations of Section 4.04.376 Wireless Telecommunications Facilities.)
C. 
OS District—Uses Requiring Administrative Review. The following use is allowed in the OS District, subject to the approval of an Administrative Review by the Zoning Enforcement Official, as per the requirements of Chapter 5.04 Zoning Permits Required; Environmental Review; Fees and Deposits.
1. 
Telecommunications, Architecturally-Integrated Antennas and/or Co-Locations on Existing Tower Structures. (Subject to Section 4.04.376 Wireless Telecommunications Facilities.)
(Ord. 2001-015 § 1; Ord. 2014-011 § 2; Ord. 2015-11 § 4; Ord. 2020-002 § 4)