Part II — BASE DISTRICT REGULATIONS

Article 14 — Open Space/Recreation District (O-S-R)

Walnut Creek Zoning Code · 2026-06 edition · ingested 2026-07-07 · Walnut Creek

10-2.2.1401 Purpose and Intent.

The purpose of the Open Space/Recreation District is to identify the existing publicly owned open space, parks and golf courses. The intent is to provide land for public parks, recreation areas, wildlife preserves, watershed areas and scenic vistas.

10-2.2.1402 Land Use Regulations. Revised 4/25

In the following table, the letters in the "Use Regulation" column are defined as follows:

P = A permitted use.

L = A use permitted subject to certain limitations prescribed by the "Use
Regulations" that immediately follow the table.
U = A use permitted on approval of a Conditional Use Permit.

Letters in parentheses in the "Additional Regulations" column are described in the "Additional Regulations" section following the "Use Regulations." Where a Use Regulation or a letter in parentheses is opposite a use classification heading, the referenced regulations shall apply to all use classifications under the heading. Land uses not listed (indicated by strikeout) are not permitted.

LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
A. Residential Use Classifcations (C)
1. Adult Day Care Home
2. Congregate Living Facility
3. Family Day Care Home
a. Small Family Day Care Center P (F)
b. Large Family Day Care Home P (F)
4. Group Residential
5. Multiple Family Residential
6. Residential Care Home
7. Accessory Dwelling Units
a. Accessory Dwelling Unit P (E)
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
b. Junior Accessory Dwelling Unit P (E)
8. Single Family Residential L(1)
B. Commercial Use Classifcations (A)
1. Ambulance Services
2. Animal Sales and Service
a. Animal Hospital
b. Animal: Retail Sales and Grooming
c. Horse Stables U
d. Kennel
3. Artist Studio
4. Banks and Savings and Loans
a. Banks and Savings and Loans
(1) With Drive-up Service
(2) With Automated Teller Machine
5. Catering Services
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
6. Commercial Cannabis Business
a. Commercial Cannabis Cultivation
b. Commercial Cannabis Distribution
c. Commercial Cannabis Manufacturing
d. Commercial Cannabis Retail Dispensary
(1) With Cannabis Delivery
e. Nonstorefront Delivery-Only Operation
f. Commercial Cannabis Testing Laboratory
7. Communication Facilities
8. Custom Manufacturing
9. Eating and/or Drinking Establishments (D)
a. Eating and/or Drinking Establishments L(2)
(1) With Wine and Beer Service Ending at or Before
11:00 p.m.
L(2)
(2) With Wine and Beer Service Ending After 11:00
p.m.
L(3)
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
(3) With Full Alcoholic Beverage Service Ending at
or Before 11:00 p.m.
L(2)
(4) With Full Alcoholic Beverage Service Ending
After 11:00 p.m.
L(3)
(5) With Live Entertainment P (D)
(6) With Dancing P (D)
(7) With Take-out Service
(a) Drive-up
(8) With Permanent Outdoor Seating L(3)
(9) With Of-site Distribution
(a) Micro-brewery
10. Food and Beverage Sales
a. Food and Beverage Sales
b. Convenience Market
(1) With Gasoline Sales
c. Specialty Food Shops
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
(1) With Of-site Distribution
11. Funeral and Interment Services
12. Health Clubs
13. Home Improvement Sales and Service
14. Horticultural Establishment
15. Lumber and Building Material Yard
16. Maintenance and Repair Service/Small Equip
17. Mini Storage
18. Nursery
19. Ofces, Business and Professional
a. Ofces, Business and Professional
(1) Ofces, Medical
20. Parking, Commercial Facility
21. Pawn Shop
22. Personal Improvement Services
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
23. Personal Services
24. Recreation and Entertainment, Commercial
a. Within a Building
b. Outside a Building L(3)
25. Research and Development Services
26. Retail Sales/Rental L(3)
27. Vehicle/Equipment Sales and Service
a. Automobile Sales/New and Used
b. Automobile Washing
c. Automobile Wrecking
d. Service Stations
(1) Automobile Washing
e. Vehicle/Equipment Repair
(1) Limited Vehicle Service
f. Vehicle/Equipment Sales and Rentals
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
g. Vehicle Storage
28. Visitor Accommodations
a. Bed and Breakfast Inns
b. Hotels
c. Motels
C. Industrial Use Classifcations
1. General Industry
2. Limited Industry
3. Research Development Industry
4. Wholesaling, Distribution and Storage
D. Agricultural Use Classifcations
1. Animal Husbandry
2. Crop Production
E. Community Facility Use Classifcations
1. Adult Day Care Facility
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
2. Child Day Care Facility (Day Care Center)
3. Clubs and Lodges
4. College, Public or Private
5. Cultural Institutions
a. Cultural Institutions P
b. Natural History/Science Museum P
6. Emergency Medical Care/No Inpatient
7. Government Ofces
8. Hazardous Waste Management Facility
9. Heliports
10. Housing for the Homeless/Emergency Shelters
11. Hospitals
a. Acute Care
b. Other
12. Maintenance and Service Facilities
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
13. Park and Recreation Facilities P
14. Public Parking Facilities
15. Public Safety Facilities
16. Public Transit Terminals
17. Recycling Facilities
a. Collection Facility
(1) Reverse Vending Machine L(4) (B)
(2) Small Collection Facility L(4) (B)
(3) Large Collection Facility
b. Processing Facility
18. Religious Assembly
19. Residential Care Facility
20. Schools, Public or Private
21. Skilled Nursing Facilities
22. Utilities, Major L(5)
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
--- --- ---
23. Utilities, Minor P
F. Accessory Uses
1. Accessory Living Quarters
2. Accessory Structure
3. Accessory Uses
a. Accessory Uses L(6)
(1) Garage Sales
(2) Home Occupations
(3) Personal Cannabis Cultivation
G. Temporary Uses (A)
1. Arts and Crafts Shows, Outdoor L(7)
2. Christmas Tree Sales L(7)
3. Civic/Community Events L(7)
4. Farmers Markets L(7)
5. Live Entertainment Events L(7)
LAND USE LAND USE USE REGULATIONS
--- --- ---
6. Outdoor Seating/Eating and Drinking Estab
7. Pumpkin Sales L(7)
8. Retail Sales, Outdoor
9. Swap Meets, Non-Recurring
10. Swap Meets, Recurring
11. Street Fairs
12. Vendor Carts L(7)
USE REGULATIONS
LAND USE USE REGULATIONS ADDITIONAL
REGULATIONS
L(1) Single Family Residential uses shall be permitted for caretakers, docents, park rangers and
watchmen.
L(2) Permitted as an accessory use in Cultural Institutions and Park and Recreation Facilities
upon approval of an Administrative Use Permit pursuant to Article 12 of Part III of the Zoning
Ordinance.
L(3) Permitted as an accessory use in Cultural Institutions and Park and Recreation Facilities
upon approval of a Conditional Use Permit pursuant to Article 12 of Part III of the Zoning
Ordinance.
L(4) Permitted upon approval by the Community Development Director.
USE REGULATIONS
--- ---
L(5) Electrical substations, aboveground electrical transmission lines, water pumping stations
and switching buildings are permitted uses. All other uses within this classifcation are not
permitted.
L(6) See the use regulations for the primary use classifcation.
L(7) Permitted subject to the approval of a Temporary Activity Permit.
ADDITIONAL USE REGULATIONS
(A) See Sec.
10-2.3.121.Regulations for Outdoor Sales, Service, Display.
(B) See Part III, Article 7. Recycling Facilities.
(C) See Part III, Article 9. Inclusionary Housing.
(D) See Part III, Article 12. Alcoholic Beverage Sales.
(E) See Part III, Article 5. Accessory Dwelling Units.
(F) See Part III, Article 6. Child Day Care Facilities.

(§§35, 36, 37, Ord. 2109, eff. 6/15/12; §18, Ord. 2129, eff. 7/3/14; §§7(1), (48), Ord. 2183, eff. 9/8/18; §3, Ord. 2188, eff. 3/8/19; §13, Ord. 2210, eff. 10/22/21; §5(1), Ord. 2216, eff. 7/2/22; §3(2), Ord. 2248, eff. 2/21/25)

10-2.2.1403 Property Development Regulations.

The following schedule prescribes development regulations for the Open Space/Recreation District. The symbol "NA" indicates that there is no restriction for that particular development regulation or it is not applicable in this District. Letters in parentheses refer to the "Additional Development Regulations" following the schedule.

CLASSIFICATION DEVELOPMENT
REGULATIONS
ADDITIONAL
REGULATIONS
A. Minimum Lot Area NA
B. Minimum Lot Width NA
C. Minimum Lot Frontage NA
D. Minimum Lot Depth NA
E. Minimum Setbacks D(1)
F. Maximum Height D(2)
G. Density D(3)
H. Maximum Lot Coverage NA
I. Maximum Floor Area Ratio D(3)
J. Design Review See Sec.
10-2.4.1202.
K. Fences and Walls See Sec.
10-2.3.104.
L. Antennas See Sec.
10-2.3.120.
M. Non-Conforming Conditions See Part III, Article 3.
N. Recycling Facilities See Part III, Article 7.
O. Parking and Loading See Part III, Article 2.
CLASSIFICATION CLASSIFICATION DEVELOPMENT
REGULATIONS
--- --- ---
P. Signs See Title
10,Chapter 8.
Q. Preservation of Trees See Title
3.Chapter 8.
R. Hillside Performance Standards See Part III, Article 4.
S. Stormwater Control See Title
9,Chapter 16
T. Landscaping See Part III, Article 11.
ADDITIONAL DEVELOPMENT REGULATIONS
D(1) Minimum setback requirements shall be determined on a case by case basis in the approval
of a site plan.
D(2) The maximum height limitation shall be 25 feet unless otherwise shown on the Zoning Map.
D(3) The maximum density shall be determined on a case by case basis but in no case shall
exceed .1 du/acre or a .1 FAR.

(§2, Ord. 2037, eff. 12/17/04; §16, Ord. 2070, eff. 6/20/2008; §18, Ord. 2108, eff. 4/7/12)

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The Walnut Creek Municipal Code is current through Ordinance 2251, passed August 16, 2025.

Disclaimer: The City Clerk's Office has the official version of the Walnut Creek

10-2.2.1501

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