Contact us today to schedule a case evaluation or call us at 925-291-5388. Why You Need a True Contra Costa County Lawyer.Fill out the form below or call us toll-free at (855) 906-3699 to set up a free consultation now. If you have been injured due to another person's negligence call Appel Law Firm in Walnut Creek. We are your local personal injury experts. Injured at work or in a wreck? When Do You Need an Injury Lawyer? Television Legal commentator and Trial Lawyer Daniel Horowitz, provides the best representation for accident victims. Thousands of people are seriously injured in accidents every year in California. Fill out our online form.