If you require a reasonable accommodation to access our offices or facilities, please contact our 504 administrator Maria Zaldivar at (510) 250-5225. Contact us in any of these 3 ways.The Family Law Facilitator's Office offers assistance with the completion of legal forms and provides procedural guidance in most areas of Family Law. District Attorney's Office Office addresses, phone, fax, and email County Superior Court Operations: 900 Ward Street, Martinez, CA 94553 Phone: 925-957-2200 If you are looking for legal help, please call us or fill out the form. Call Attorney Search Network toll free at (800) 215-1190 or fill out our online form for a Contra Costa County lawyer referral. Lawyers in Contra Costa County Will Assist with All of Your Legal Issues. Call us at 925-291-5388 or fill out the form below! Request a Legal Consultation. If you are looking for legal help, please call us or fill out the form.