what part of nor-cal do you live in? I live in the sf bay area, and their is one by the costco in richmond, and one behind the firestation in pinole valley
There's an off-leash dog beach in Fort Bragg, a dog friendly community on the Mendocino Coast (4 miles north of San Francisco - but worth the trip). It's Noyo Beach, at the mouth of the Noyo River. By the end of the year there will be a second dog park, this one fenced in-town (at the corner of S. Lincoln and Willow Streets).