Hire an attorney on a limited scope, to negotiate a payment plan with the DCSS. You can try to negotiate with them yourself, but you have that warrant out there.
In order to help you with dealing with the warrant, I've added criminal defense to the practice areas.
Legal disclaimer: The response given is not intended to create, nor does it create an ongoing duty to respond to questions. The response does not form an attorney-client relationship, nor is it intended to be anything other than the educated opinion of the author. It should not be relied upon as legal advice. The response given is based upon the limited facts provided by the person asking the question. To the extent additional or different facts exist, the response might possibly change. Attorney is licensed to practice law only in the State of California. Responses are based solely on California law unless stated otherwise.
The attorney option is the best as he can clear the warrant and possibly help with the arrears!
I am a criminal defense attorney practicing in Nassau, Suffolk and New York City. The above information is not a substitution for a meeting whereas all potential legal issues can be discussed.