email: legal@craigslist.org

fax: 415-504-6394

craigslist's registered agent for service of process is:

                                                                                                                                                                                                 
    Incorporating Services, Ltd                                                                            
    7801 Folsom Blvd #202                                                                        
    Sacramento, CA 95826 

(craigslist does not waive the need for due process as to any legal document)