Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Thomas Richard O'Brien, Practice Areas Criminal Defense Attorneys. is located in the city of El Dorado Hills, the state of California. Attorney legal address 3941 Park Dr Ste 20El Dorado Hills, CA, 95762-4577. For more information, please call (916) 220-9120 Your comments* (not for publishing) * — Required information Thomas Richard OBrien ← View details 3941 Park Dr Ste 20El Dorado Hills, CA, 95762-4577, El Dorado Hills, California (916) 220-9120