---
canonical: https://dogpolicies.com/places/shell-ridge-open-space/
title: "Shell Ridge Open Space: dog rules"
license: CC-BY-4.0
attribution: "DogPolicies, dogpolicies.com, CC BY 4.0, verified 2026-10-31"
verified_at: 2026-10-31
review_due: 2026-11-30
freshness: fresh
confirmed_by: none
uid: plc_ng16zh7wkxxb752a
json: https://dogpolicies.com/api/v1/places/shell-ridge-open-space.json
---

Shell Ridge Open Space (Walnut Creek, CA): Yes. Dogs may be off leash under voice control. Source: City of Walnut Creek, checked 2026-10-31. DogPolicies record: https://dogpolicies.com/places/shell-ridge-open-space/ (CC BY 4.0; cite with link).

# Shell Ridge Open Space

**Yes. Dogs may be off leash under voice control.**

Type: park. Location: Walnut Creek, Contra Costa County, California. Managed by City of Walnut Creek Open Space Division.

## Rules

| Rule | Value | Source | Verified | Freshness |
| --- | --- | --- | --- | --- |
| Dogs allowed | Yes (Rangers recommend keeping dogs leashed at all times; coyotes and grazing cattle are common.) | [1] | 2026-10-31 | fresh |
| Leash | Off leash allowed under voice control | [1] | 2026-10-31 | fresh |
| Amenities | 1,420 acres, 31 miles of trails, Multiple trailheads with parking, Borges Ranch, a historic cattle ranch, and Howe Homestead Park | [1] | 2026-10-31 | fresh |

## Rules to know

- Open from half an hour before sunrise to half an hour after sunset. [3]
- Off leash only on trails, and only under voice and sight command: keep your dog in sight and make sure it comes back the moment you call. [3]
- Leash your dog in developed picnic areas, at historic sites, in parking lots and along street parking. [3]
- No dogs in central Lime Ridge south of Ygnacio Valley Road, a protected wildlife habitat area. [3]
- Carry a leash, and pick up your dog's waste and take it out of the open space. [3]
- Don't let your dog chase, harass or harm wildlife or plants. [3]

## Sources

1. City of Walnut Creek, "Shell Ridge" (government, checked 2026-10-31): https://www.walnutcreekca.gov/Home/Components/FacilityDirectory/FacilityDirectory/10/664
   > Shell Ridge Address: 1035 Castle Rock Rd Walnut Creek, CA 94596 Amenities: 1420 Acres 31 Miles of trails ... Dogs: Dogs? Rangers recommend dogs remain leashed at all times. If they are off leash, dogs must be under positive sight and voice command.(please keep in mind there is abundant wildlife in the area, including coyotes, as well as cattle)
2. City of Walnut Creek, "Location: the Borges Ranch parking area and trailhead in the city's Open Space facilities GIS layer" (government, checked 2026-10-31): https://services2.arcgis.com/AhHMUmDoudKVXiUl/arcgis/rest/services/OpenSpace_Facilities/FeatureServer/0
3. City of Walnut Creek, "Open Space: Rules and Regulations" (government, checked 2026-10-31): https://www.walnutcreekca.gov/government/departments/open-space/rules-and-regulations
   > Dogs are required to be on leash in all in all developed picnic areas, historic sites and in parking lots and along street parking. Dogs are allowed off leash and under positive voice and sight command in the trail areas of Shell Ridge, Acalanes, Sugarloaf, and Lime Ridge north of Ygnacio Valley Road. ... Dogs are not allowed in central Lime Ridge south of Ygnacio Valley Road.

Verified October 31, 2026; re-check due 2026-11-30. Freshness: fresh.
Corrections: https://dogpolicies.com/corrections/?place=shell-ridge-open-space
Record: https://dogpolicies.com/places/shell-ridge-open-space/ · JSON: https://dogpolicies.com/api/v1/places/shell-ridge-open-space.json · Methodology: https://dogpolicies.com/methodology/