Diana E. Richmond Of Counsel

One Embarcadero Center
Twenty-Second Floor
San Francisco, CA 94111


Diana Richmond concentrates her practice on family law.  A Certified Family Law Specialist for more than 32 years, Ms. Richmond has a breadth of experience in nearly every aspect of this arena, including complex marital property issues, same-sex partnership and parenting issues, spousal and child support, parentage and child custody, premarital and marital agreements and appeals.  She works as a mediator, settlement conference facilitator or private adjudicator for family law and related controversies, including domestic partnerships, and handles premarital and marital agreements and appeals for clients.  Ms. Richmond finds that mediation enhances participants’ autonomy in decision-making and promotes creative solutions to family law disputes.

Ms. Richmond has been recognized for 30 years as one of the Best Lawyers of America, and was named by that publication as the San Francisco Family Law Lawyer of the Year for 2009 and 2014, and the San Francisco Family Law Mediator of the Year for 2012.  In 2007, she received the Hall of Fame Award from the Association of Certified Family Law Specialists.  She was trial and appellate counsel in the California Supreme Court same-sex parentage case of K.M. v. E.G., 37 Cal.4th 130 (2005) and has written amicus briefs in a number of cases to end the ban on same-sex marriages. Ms. Richmond co-authored the amicus brief on behalf of the American Academy of Matrimonial Lawyers in the recent landmark U.S. Supreme Court case, Hollingsworth v. Perry.

Ms. Richmond joined Sideman & Bancroft LLP after heading her own family law office for 24 years.

She is the author of two published novels, Some Other Time (2009) and Raising Dawn (2017).

  • In re Marriage Cases, 43 Cal.4th 757 (2008) (as amicus)
  • K.M. v. E.G., 37 Cal.4th 130 (2005)
  • In re Marriage of Ousterman, 46 Cal.App.4th 1090 (1996)
  • In re Marriage of Reuling, 23 Cal.App.4th 1428 (1994)
  • In re Marriage of Smith, 225 Cal.App.3d 469 (1990)
  • In re Marriage of Joseph, 217 Cal.App.3d 1277 (1990)
  • In re Marriage of Joseph, 215 Cal.App.3d 416 (1989)
  • In re Marriage of Richmond, 105 Cal.App.3d 352 (1980)
  • Perry v. Brown, 671 F.3d 1052 (9th Cir. 2012)
  • In re Marriage of Wellman, 104 Cal.App.3d 992 (1980)
Professional Involvement

Ms. Richmond writes and speaks frequently on family law issues. She serves as editorial consultant to the Matthew Bender California Family Law Practice and Procedure, 2d and to California Family Law Monthly, for which she writes bimonthly commentaries. She was consulting editor for California Continuing Education of the Bar, Marital Termination Settlements (1988).

In 1985, Ms. Richmond was named the first Judith McKelvey Award recipient for Outstanding Alumna from the Golden Gate University Law School. In 1990, she received the Outstanding Alumni Award from the University.

Certified Specialist Family Law since 1980, State Bar of California Board of Legal Specialization

Recognized in Chambers High Net Worth 2017-2019 guides in Family/Matrimonial: California

Listed in The Best Lawyers in America®: 1983-2020

Named Best Lawyers® 2014 San Francisco Family Law “Lawyer of the Year”

Listed in Top 100 Northern California Super Lawyers® 2004-2019; Listed in Top 10 Northern California Super Lawyers® 2005, 2007

Listed in Top 50 Women Northern California Super Lawyers® 2004-2018

Member, National Association of Distinguished Counsel

Martindale-Hubbell Top Rated Lawyer in Family Law, 2015

AV® Preeminent™ 5.0 out of 51

1CV, BV and AV are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies.