Dayn A.


Managing Partner

Certified Family Law Specialist

Meet Dayn Holstrom

With more than 30 years’ experience in Family Law, Dayn Holstrom has distinguished himself as an authority in these fields. As Managing Partner of Holstrom, Block & Parke, a Professional Law Corporation, he has positioned the firm as one of the top family law/probate/estate planning firms in Southern California, currently employing 23 attorneys and over 50 support staff at seven locations. Dayn’s commitment to excellence is evident throughout his numerous lifetime achievements. While attending Western State University College of Law, he received the American Jurisprudence Award for the highest achievement in a specific subject 17 times, more than any other student. He was Editor-in-Chief of the Western State University Law Review, and Director of the School’s Don Program. Dayn was Valedictorian, and graduated summa cum laude with the highest GPA in the history of the school. Dayn is an exceptionally experienced litigator in the areas of family law. He is certified by the State Bar of California, Board of Legal Specialization, as a Family Law Specialist. He is held in high esteem by the local bar associations and judiciary in the communities in which he practices. He has been voted “Best Lawyer” by Inland Empire Magazine and OC Metro Magazine, and has been consistently rated 10.0 out of 10.0 by Avvo. He is a frequent speaker and lecturer at seminars and webinars on a variety of legal topics, the author of e-book Divorce 101, and the host of the Divorce Authority podcast. While not in the office, Dayn enjoys sports, traveling and spending time with his wife, his four grown children and his grandchildren. He is a pilot and loves to fly anytime his schedule permits.


Practice Areas

  • Family Law
  • Probate
  • Child Custody
  • Child Support
  • Alimony
  • Divorce
  • Same Sex Divorce
  • Domestic Partnership Dissolution
  • Domestic Violence
  • Estate Planning
  • Wills & Trusts
  • Conservatorship
  • Guardianship
  • Post Decree Modifications
  • Post Decree Enforcement
  • Defending Rights of Unmarried Parents
  • Visitation Rights
  • Grandparent Rights
  • Legal Separation
  • Annulment




  • Western State University College of Law, Fullerton, California
  • Juris Doctorate – 1990
  • Law Review: Western State University of Law Review, Editor and Chief
  • Clerk for Judge Warren Ferguson of the 9th Circuit Court of Appeals

Honors and Awards

  • 2022 Notable – Peer Rated for Strong Ethical Standards (Martindale)
  • 2022 Client Reviewed (Martindale)
  • 2022 Super Lawyers selection
  • 2021 Super Lawyers selection
  • 2020 Super Lawyers selection
  • 2019 Super Lawyers selection
  • 2018 Super Lawyers selection
  • 2017 Super Lawyers selection
  • 2014 Certified Family Law Specialist

Professional Positions, Associations, and Memberships

  • Professor of Law at Western State University College of Law
  • Judge Pro Tem in Family Law
  • Board of Directors for Olive Crest (a charity for foster children)
  • Riverside County Bar Association
  • Orange County Bar Association
  • Los Angeles County Bar Association
  • San Bernardino County Bar Association
  • American Association for Justice
  • Orange County Trial Lawyers Association

Bar Admissions

  • California, 1990