Title 17 — ZONING›Division II — Districts and Development Standards
Atherton Municipal Code § 17.34.010 Purpose
Atherton Municipal Code · 2026-09 edition · updated 2026-10-04 · Atherton
Cite as: Atherton Municipal Code § 17.34.010 · Text as of 2026-10-04
Sections:
17.34.010 Purpose.
17.34.020 Characteristics of the District.
17.34.030 Permitted Uses.
17.34.040 Development Standards.
17.34.010 Purpose.¶
The purpose of this chapter is to implement the open space element of the general plan and provisions of the California Government Code related to open space zoning. This district is designed to designate open space for the preservation of natural resources, uses for the managed production of resources, for outdoor recreation, and for public health and safety. Compliance with the California Government Code requirements for an open space zoning code is achieved through use of this district.
The regulations set forth in this chapter shall apply in all park and open space (POS) districts and shall be subject to the provisions of this title. (Ord. 582 § 1 (Exh. A), 2009)
17.34.020 Characteristics of the District.¶
The POS district provides for the establishment of parks, recreation, and open space uses. Other recreational and natural preservation uses, such as country clubs, watershed protection lands, and similar uses, may be permitted. (Ord. 582 § 1 (Exh. A), 2009)
17.34.030 Permitted Uses.¶
Table 17.34.030-1 (Allowed Uses and Permit Requirements for POS District) identifies the allowed uses in the POS district subject to the development standards of this chapter and all other provisions of this title. Allowed use provisions are symbolized in the table as follows:
P = Land use permitted by right
CUP = Land use permitted with approval of a conditional use permit
Table 17.34.030-1. Allowed Uses
and Permit Requirements for POS
<!Text read from an image; its layout may differ:
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District
Zoning
District
Land Use
POS
Agriculture P
Ecologic study P
Employee housing 2 P
Group homes for persons P
with disabilities 1
Multifamily residential 1, 4 P
Permanent supportive P
housing 1, 3
Public park, recreation, or P
open space uses
Single-room occupancy 1 P
Uses of historic and P
cultural value
<!>
Table 17.34.030-1. Allowed Uses
and Permit Requirements for POS
| District | Zoning District |
|---|---|
| Land Use | |
| POS | |
| Watershed land and groundwater recharged land |
P |
| Country clubs | CUP |
| Home occupation | CUP |
| Public utilities and facilities uses and structures |
CUP |
| Caretaker housing | CUP |
1 Shall only be permitted on lots with a Multifamily Overlay District (RM-10) designation. Subject to compliance with objective design standards in chapter 17.35 (Multifamily Overlay District RM-10).
2 Agricultural employee housing must comply with California Health and Safety Code Section 17021.5.
3 Pursuant to Government Code Section 65651, a one hundred percent affordable housing development that provides twenty-five percent of its total units, or twelve units, as permanent supportive housing, is principally permitted within the multifamily overlay.
4 Pursuant to Government Code Section 65660, a low-barrier navigation center is principally permitted on any parcel within the multifamily overlay.
(Ord. 669 § 4, 2024; Ord. 582 § 1 (Exh. A), 2009)
17.34.040 Development Standards.¶
Table 17.34.040-1 (Development Standards for POS District) identifies the development standards for the POS district. All buildings and structures located in the POS district shall be considered as main buildings and not as accessory structures.
Table 17.34.040-1. Development Standards for POS District
| Development | Zoning District |
|---|---|
| Standard | POS |
| Height, maximum | 34 ft. |
| Lot coverage, aggregate, maximum |
20% gross lot area |
| Front and rear yard, minimum |
60 ft. |
| Side yard, minimum | See chapter 17.38 |
(Ord. 582 § 1 (Exh. A), 2009)
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