The San Bernardino County Department of Child Support Services determines parentage, establishes and enforces child support orders, and secures payments. The Resource Center is available to provide information regarding court procedures and instructions on completing, filing and serving the necessary documents.There is a free online child support calculator that figures out how much support a parent needs to pay. The Resource Centers are now open for in-person services! Complete the fields below and press calculate to estimate alimony. The figures presented are based on legal California alimony guidelines. Call our 30 years of experience San Bernardino Child Support attorneys now at (888) 749-7428 to fight for your rights. With locations in Ontario and Riverside, we serve clients in San Bernardino and Riverside Counties. There are a couple of ways that Riverside child support can be paid, but the most common way is known as a wage assignment. The party paying child support may worry about making steady payments or keeping up with a regular visitation schedule.