The open space (OS) zoning designation is intended to identify and reserve land for passive, natural and active open space uses, including public and private parks, conservancy lands, nature preserves, wildlife habitats, water bodies and adjacent riparian habitat, wetlands areas dedicated to open space use, drainage easements, cemeteries, golf courses, and other open space areas dedicated for public or private use. Typical uses include recreation, trails, trailheads, paseos, horticulture, limited agriculture, animal grazing, and habitat preservation.
A.
Development Standards. Property in the OS zone shall be subject to the following general development standards:
Maximum density (units per gross acre) | 0.025 |
Minimum density (units per acre) | N/A |
Minimum net lot area (in acres) | 20 |
Lot width (in feet) | 200 |
Cul-de-sac/knuckle lot width (in feet) | 40 |
Front yard setback (in feet) | 20 |
Side yard setback, each side (in feet) | 5/5 |
Side yard setback, reverse corner lot (in feet) | 20 |
Rear yard setback (in feet) | 15 |
Maximum height of main structure without a CUP (in feet) | 35 |
Maximum height of accessory structures not exceeding the height of the main structure without a CUP (in feet) | 35 |
Distance between main structures (in feet) | 10 |
Distance between main and accessory structures (in feet) | 6 |
Setbacks for public and semi-public uses from residential property lines (in feet) | 25 |
B.
Permitted Uses. The following uses shall be permitted where the symbol "P" appears; a minor use permit is required where the symbol "M" appears; a conditional use permit is required where the symbol "C" appears; a temporary use permit is required where the symbol "T" appears; an administrative permit is required where an "AP" appears; and a hillside development review is required where the symbol "H" appears. Any use not listed is considered a prohibited use in this zone. Land use descriptions and parking requirements are contained in Division 5 of this title (Use Classifications and Required Parking).
Residential Use Types | ||
|---|---|---|
1. | Caretaker's Residence | P |
2. | Dwelling—Single-Family | P |
3. | Home-Based Cottage Food Operation | AP |
4. | Home Occupation Business | P |
5. | Family Day Care Homes—Adult | P |
6. | Family Day Care Homes—Family | P |
7. | Residential Service/Care Home | P |
Commercial Use Types | ||
|---|---|---|
1. | Animal Sales and Services—Animal Menagerie | C |
2. | Animal Sales and Services—Animal Shelter | C |
3. | Animal Sales and Services—Riding Academies | C |
4. | Animal Sales and Services—Commercial Stables | C |
5. | Funeral Home | C |
6. | Recreation, Commercial—Outdoor Sports and Recreation | C |
7. | Recreation, Commercial—Recreation Facilities | C |
8. | Recreation, Commercial—Residential Recreation Facilities | C |
9. | RV Park/Campground | C |
Public and Semi-Public Use Types | |||
|---|---|---|---|
1. | Heliport/Helipad | C | |
2. | Museums, Private—Historic Site | P | |
3. | Parks, Private | C | |
4. | Parks, Public | P | |
5. | Public Services, General | C | |
6. | Public Services, Specific—Ambulance and Paramedic Station | C | |
7. | Public Services, Specific—Cemeteries | C | |
8. | Public Services, Specific—Flood Control Facilities | P | |
9. | Public Services, Specific—Park and Ride Lots | C | |
10. | Public Services, Specific—Preservation of Historic Landmarks | P | |
11. | Public Services, Specific—Utility Substations | C | |
12. | Public Primary or Secondary Schools | P | |
13. | Small Wind Energy System | P | |
14. | Wireless Communications Facilities | ||
a. | Above Thirty-Five (35) Feet in Height | C | |
b. | Up to Thirty-Five (35) Feet in Height | C | |
c. | Flush-Mounted | C | |
d. | Co-location or Modification to an Existing Approved Wireless Communications Facility on All Property Other Than City Right-of-Way: | ||
i. That does not constitute a "substantial change" pursuant to Section 17.69.030(F). | P | ||
ii. That constitutes a "substantial change" pursuant to Section 17.69.030(F) and was originally approved as a minor use permit. | M | ||
iii. That constitutes a "substantial change" pursuant to Section 17.69.030(F) and was originally approved as a conditional use permit, consisting of less than a fifty percent (50%) cumulative expansion. | M | ||
iv. That constitutes a "substantial change" pursuant to Section 17.69.030(F) and was originally approved as a conditional use permit, consisting of greater than a fifty percent (50%) cumulative expansion. | C | ||
e. | Wireless Communications Facilities within City Right-of-Way: | ||
i. Between zero (0) and two hundred fifty (250) feet of any residential use or zone.1 | X | ||
ii. In excess of two hundred fifty (250) feet from any residential use or zone. | AP | ||
15. | Zoos—Zoo | C | |
16. | Zoos—Petting Zoo | C | |
Agricultural Use Types | ||
|---|---|---|
1. | Horticulture—Residential Use Only | P |
2. | Horticulture—For Commercial Sale | P |
3. | Horticulture—Within Public Utility Easements | P |
4. | Farmer's Markets | P |
5. | Keeping of Animals—Beehives—One (1) to Three (3) Beehives | P |
6. | Keeping of Animals—Beehives—Four (4) or More Beehives | P |
7. | Keeping of Animals—Large Animals | P |
8. | Keeping of Animals—Small Animals | P |
9. | Keeping of Animals—Wild, Exotic or Nondomestic Animals | P |
10. | Keeping of Animals for Educational Purposes—Large or Small Animals | P |
11. | Riding Trails | P |
12. | Wildlife Preserves/Sanctuaries | P |
13. | Holiday Sales | T |
14. | Temporary Uses in Accordance with This Code | T |
Accessory Structures and Uses Use Types | ||
|---|---|---|
1. | Accessory Structures | P |
2. | Accessory Uses | P |
3. | Incidental Services for Employees | P |
4. | Live Entertainment | M |
Development Activities/Miscellaneous Use Types | ||
|---|---|---|
1. | Development Activity on Natural Slopes Less Than Ten Percent (10%) | P |
2. | Development Activity on Natural Slopes Ten Percent (10%) to Fifteen Percent (15%) | H |
3. | Development Activity on Natural Slopes Greater Than Fifteen Percent (15%) | H |
4. | Grading Cut and Fill, or Any Combination Thereof, on Natural Slopes Exceeding Ten Percent (10%)—One Hundred (100) to One Thousand Five Hundred (1,500) Cubic Yards | H |
5. | Grading Cut and Fill, or Any Combination Thereof, on Natural Slopes Exceeding Ten Percent (10%)—Greater Than One Thousand Five Hundred (1,500) Cubic Yards | H |
6. | Transportation of Earth—Less Than Ten Thousand (10,000) Cubic Yards | P |
7. | Transportation of Earth—Ten Thousand (10,000) to One Hundred Thousand (100,000) Cubic Yards | M |
8. | Transportation of Earth—Greater Than One Hundred Thousand (100,000) Cubic Yards | C |
9. | Railroad Rights-of-Way—Operational Activities | P |
10. | Railroad Rights-of-Way—Accessory Activities/Uses | P |
Notes: |
|---|
1. Unless location of a facility on private property is not feasible to address a demonstrated significant gap in coverage. |
(Ord. 13-8 § 4 (Exhs. A, D), 6/11/2013; Ord. 15-11 § 5 (Exh. A), 12/8/2015; Ord. 21-1 § 6 (Exh. A), 1/26/2021; Ord. 26-2, 4/28/2026)