2nd location now open! 3501 Lone Tree Way, Suite 4, Antioch, CA 94509

About Us

Patricia Ruiz Calzada, Owner and Attorney

I work with victims of domestic violence, sexual assault and sex trafficking in collaboration with the Family Justice Center in Concord, California. 

My current practice is focused on Family Law. Throughout my career I have negotiated, settled and litigated divorce proceedings, child custody disputes, child support hearings, modifications, civil and domestic violence restraining orders, high conflict divorce and other related issues. 


  • Associated with the Family Justice Center
  • Member of the State Bar of California
  • Member of the Contra Costa County Bar Association
  • Member of the Contra Costa Bar Association, Family Law Section
  • Member of Contra Costa Bar, Women's Section
  • Member of the Contra Costa Bar, Barristers Section
  • Member of the American Bar Association


  • John F. Kennedy School of Law J.D. 2016
  • Dean's List
  • Witkin Award for Academic Excellence in Civil Procedure Recipient 
  • Witkin Award for Academic Excellence in Professional Responsibility Recipient
  • Witkin Award for Academic Excellence in Remedies Recipient
  • Mediation Skills Training Certificate from The Congress of Neutrals

Natalia Peraza, Paralegal

Natalia Peraza joined Law Offices of Patricia Ruiz Calzada in February 2018 as a full time Legal Assistant. Natalia is responsible for managing day-to-day operations of the law firm, including carrying out administrative services, providing legal support to Patricia Ruiz Calzada, Esq. and ensuring that the firm remains in compliance with state legal regulations. 

She is dedicated to helping clients during difficult processes, by combining compassion and diligence in her approach to family law matters. Her strength lies in her result-focused yet empathetic approach to family law advocacy. 

On her free time, she enjoys going on trips with her family and friends around the Bay Area.

Contact Us

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Law Offices of Patricia Ruiz Calzada


2151 Salvio Street, Concord, California 94520, United States




Information provided on this website may not be kept confidential.  

Patricia Ruiz Calzada is only licensed to practice in the state of California and does not handle cases outside of California. 

No attorney-client relationship is created until you have retained our law firm, signed a retainer agreement, AND paid the retainer fee. Completing a Contact Us Form or contacting our office does not create an attorney-client  relationship, nor does it mean will will represent you or take any action in your case on your behalf.  

None of the information on this website should be taken as a warranty, guarantee, prediction, or representation about what results you will obtain in your case. Each case is different and can have a different outcome. The amount of attorney fees you will pay cannot be predicted and will depend on various factors such as how reasonable and cooperative your spouse is, how reasonable and cooperative you are, whether or not there is an attorney representing opposing party, the amount of assets to be divided, whether there are minor children, and several other issues that may arise. 

People pictured on the website are not actual clients.