Enter Attorney Name or Bar Number Search. Include similar sounding names.Contact us in any of these 3 ways. Call Attorney Search Network toll free at (800) 215-1190 or fill out our online form for a Contra Costa County lawyer referral. IMPORTANT. The best way to file your attorney registration or make address changes is via Attorney Online Services. Lawyer Referral Service - CCC Bar Association. Address. 2300 Clayton Road, Suite 520. Dear Z, The State Bar handles Fee Arbitration cases in Contra Costa County. Please call them at (415) 538-2020 for more information. Find the best consumer attorney serving Contra Costa County.