Rancho Cucamonga, CA Animal Ordinances: Dog Leash Laws (2026)
Key Facts
- Leash requirement section
- Municipal Code § 12.04.010(A)(1)
- Leash-optional exemption
- Posted areas only, § 12.04.020(A)(3)
- Max dogs per handler
- Two in leash-optional areas
- Minimum dog age
- 4 months, rabies-vaccinated, licensed
- First-offense fine
- Up to $100 infraction
Summary
Dogs and cats must be on a leash and under full control while in any Rancho Cucamonga park, recreational trail or city recreation facility, under Municipal Code section 12.04.010(A)(1). The city carves out specific posted leash-optional areas with their own rules under section 12.04.020.
Lead or let loose any animal except: 1. Dogs or cats on a leash which are under the full control of a person... Any dog within a posted leash-optional area of any city-owned park, as established by resolution of the city council; provided, however, that nothing herein shall relieve the owner or person having charge, custody, care and/or control of such dog from the responsibility to maintain proper control over the dog.
Full Breakdown
010(A) makes it unlawful within any park, recreational trail, library or recreation facility to lead or let loose any animal except a dog or cat on a leash under full control, or a horse or pony ridden on a designated bridle trail. 020(A)(3) exempts posted leash-optional areas the city council establishes by resolution, but even there the owner keeps full legal responsibility to control the dog and remains liable for any damage. Leash-optional area rules require the handler be at least 13 years old (or a supervised minor), cap the group at two dogs per handler, and require voice control at all times.
year-round. Dogs must be at least four months old, rabies-vaccinated and currently licensed by the city's animal control authority; sick, aggressive, or dogs in heat are barred, and food or treats cannot be brought in. Handlers must quiet or remove a barking dog and immediately bag and dispose of waste. 010(H)(3) separately requires anyone using a park to promptly bag and remove animal waste. 02.
Violations & Fines
Violating the leash requirement or any leash-optional area rule under Chapter 12.04 is an infraction under section 12.04.050(B), punishable per section 1.12.010: up to $100 for a first offense, $200 for a second within a year, and $500 for a third.
Frequently Asked Questions
Do dogs have to be leashed in Rancho Cucamonga parks?
What are the leash-optional area rules?
Is the owner still responsible if the dog is off-leash in a leash-optional area?
Sources & Official References
Other rules in Rancho Cucamonga
California rules heatmap·Compare Rancho Cucamonga to another location·View the California animal ordinances overview
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Dog Leash Laws in Nearby Cities
How other cities in San Bernardino County handle dog leash laws.