The Consumer Protection Unit investigates and prosecutes cases such as deceptive advertising, unfair competition, and other forms of consumer fraud. Consumer Complaint Form: Use this form to submit a complaint about unfair business practices or real estate fraud.Find the best consumer attorney serving Contra Costa County. In the administration of this act, the Attorney General may accept an assurance of voluntary compliance with respect to any method, act or practice deemed to be. Contact us for a free consultation. You can start your own food business right at home. Contra Costa Health offers two kinds of permits for home-based food operations. Code § 17200 et seq. In addition to state statutory causes of action, the common law also provides consumer protection. Critics also point out a lack of competition in the vast majority of Comcast's service areas; in particular, the limited competition among cable providers.