A Marin Superior Court judge has tentatively sided with rancher Mark Pasternak, ruling in March that the Board of Supervisors wrongly imposed parking and event restrictions on his Nicasio ranch in 2015.

Representatives of Devil’s Gulch—where Mr. Pasternak and his wife, Myriam, raise rabbits and pigs and grow wine grapes and asparagus—are now in settlement talks with the county over the terms of the ranch’s use permit. That permit was modified in 2015 based on…