Lydia E. Hsu

Lydia E. Hsu

Founding Partner
San Jose, California

Lydia has experience in all aspects of family law matters, including child custody and visitation; child and spousal support; property identification, characterization, valuation and division; reimbursement claims; pre-nuptial and post-nuptial agreements; and domestic violence issues. Lydia also provides representation in guardianships and step-parent adoptions.

Lydia serves a broad range of clients including attorneys, doctors, business owners. parents and grandparents. She is passionate about providing counsel that is empathetic and pragmatic and ensuring that her clients are aware of their options. Lydia works closely with her clients to achieve the best possible result for them and their family - whether through mediation or other alternative dispute resolution or through litigation.

Lydia has worked in family law since 2009. She previously worked with two non-profit organizations assisting domestic violence survivors and clerked with the Supervising Family Law Judge in Santa Clara County. Prior to co-founding Foster Hsu, LLP, she was a Senior Associate at the largest family law firm in the Bay Area.

Areas of Practice

  • Family Law
  • Divorce
  • Child Custody and Visitation
  • Support
  • Property Division
  • Domestic Violence
  • Prenuptial/Postnuptial Agreements
  • Guardianships
  • Step-Parent Adoption

Bar Admissions

  • California


  • University of San Francisco School of Law, San Francisco, California
    • J.D.
  • University of California, San Diego, California
    • B.A.

Honors and Awards

  • Northern California Super Lawyers Rising Star - 2018
  • Northern California Super Lawyers Rising Star - 2019
  • Top Attorneys Northern California's Outstanding Young Lawyers, 2019
  • American institute of Family Law Attorneys Top 10 Best in Client Satisfaction- 2019

Professional Associations and Memberships

  • Asian Pacific American Bar Association, Silicon Valley, Women in Law Committee member, 2011 - Present
  • University of San Francisco Public Interest Law Foundation, Advisory Board member
  • Asian American Bar Association of the Greater Bay Area
  • Chinese American Lawyers of the Bay Area, 2014 - Present
  • Santa Clara County Bar Association, 2013 - Present
  • California Bar Association, 2013 - Present


  • Mandarin Chinese
  • English (Primary)