Chapter 18.58 — OPEN SPACE DISTRICT (OS) — Pittsburg Zoning Code

Sections:

18.58.010 Specifc purpose.

18.58.020 Land use regulations.

18.58.030 Development regulations.

18.58.040 Review of plans.

18.58.010 Specific purposes. ¶

The specific purposes of the open space district (OS) are to:

A. Provide a suitable classification for large public or private sites permanently designed for park or open space use;

B. Protect public health and safety by limiting land subject to flooding, slides, or other hazards to open space use;

C. Allow the planning commission and city council to consider the most appropriate use of a site following discontinuance of a large public or private open space use without the encumbrance of a base zoning district that may or may not provide appropriate regulations for development of the site. [Ord. 07-1284 § 3 (Exh. D), 2007; Ord. 979 § 2 (Exh. A), 1990.]

18.58.020 Land use regulations. ¶

In the following schedule, the letter “P” designates use classifications permitted in OS districts. The letter “L” designates use classifications subject to certain limitations prescribed by the “Additional Use Regulations” which follow. The letter “U” designates use classifications permitted on approval of a use permit (Chapter 18.28 PMC). The letter “Z” designates accessory use classifications permitted on approval of the zoning administrator. The letter “T” designates temporary use classifications permitted on approval of a temporary activity permit. Letters in parentheses in the “Additional Use and Development Regulations” column refer to development regulations which follow after the schedule.

OS DISTRICT – LAND USE REGULATIONS

P = Permitted

U = Use Permit, Planning Commission T = Temporary Activity Permit

L = Limited (See Additional Use Regulations)

Z = Use Permit, Zoning Administrator – = Not Permitted

		Additional
		Use and
		Development
	OS	Regulations
Residential
Single-family	P	(A)
residential
Governmental and Quasipublic
Cemetery	U
Cemetery	U
---	---	---
Government ofce	L-29
Hazardous waste	U
facility, residential
repository
Park and	L-2
recreation facility
Public safety facility	U
---	---	---
Telecommunication facility	P
Utility, minor	P
Commercial
Commercial recreation and entertainment, outdoor facility	L-24
Horticulture, limited	P
Agricultural and Extractive
Animal husbandry	P
Crop production	P
Mining and processing	U
Accessory Uses
Accessory uses	L-30
Accessory structures
Nonresidential accessory structure	P
---	---	---
Accessory dwelling unit	L-107
Accessory living quarters	P
Caretaker’s quarters	U
Temporary Uses
Animal show	T
Christmas tree sales	T
Circus and carnival	T
Commercial flming, limited	T
Holiday boutique	P
Personal property sales	P
Real property sales	P
Religious assembly	T

OS DISTRICT – ADDITIONAL USE AND DEVELOPMENT REGULATIONS

(A)	Minimum lot area is 20 acres per dwelling unit.
L-2	Publicly owned facilities permitted. Privately owned noncommercial facilities, including swim clubs or tennis clubs, shall be subject to a use permit.
L-24	Permitted as part of a park or recreational, public service, or utility facility.
L-29	Limited to city facilities.
L-30	Permitted except that a home occupation is governed by PMC 18.50.400 through 18.50.430.
L-107	Permitted, subject to the requirements in PMC 18.50.300 through 18.50.315.

[Ord. 16-1418 § 4 (Exh. A), 2016; Ord. 15-1390 § 3 (Exh. C), 2015; Ord. 07-1284 § 3 (Exh. D), 2007; Ord. 05-1257 § 4 (Exh. F), 2005; Ord. 1026 § 6 (Exh. E), 1991; Ord. 979 § 2 (Exh. A), 1990.]

18.58.030 Development regulations. ¶

Development regulations are as specified by a use permit or design review where required. A permitted use or ancillary activity not specifically regulated by a use permit or design review approval is regulated by the property development regulations specified in the rural residential district, except as otherwise prescribed by this chapter. [Ord. 07-1284 § 3 (Exh. D), 2007; Ord. 979 § 2 (Exh. A), 1990.]

18.58.040 Review of plans. ¶

All projects require design review (Chapter 18.36 PMC). [Ord. 07-1284 § 3 (Exh. D), 2007; Ord. 979 § 2 (Exh. A), 1990.]

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The Pittsburg Municipal Code is current through Ordinance 25-1531, passed June 2, 2025.

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18.60 Governmental and Quasipublic District (GQ) ¶

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