About
Elizabeth A. Tresp is the principal attorney at Tresp Law, APC, where she focuses on estate planning law, trust and probate litigation, and administration. She guides families through wills, trusts, probate proceedings, fiduciary disputes, and legacy-planning decisions. She further handles high-conflict matters through mediation and other alternative dispute-resolution methods. Her practice extends to business formation, planning, contracts, transactions, dissolutions, and related legal services.
Elizabeth earned her B.A. from Middlesex University in London in 1999. She earned her J.D. and LL.M. from the University of San Diego School of Law. She received the highest honors in Criminal Tax Fraud and Taxation of Anti-Money Laundering. She holds active bar memberships in California, Wyoming, and Montana. She gained admission to the Wyoming State Bar. Her federal admissions include the US Tax Court and the Southern District of California.
Elizabeth assists clients with trust and estate administration after a loved one’s death. She represents beneficiaries, trustees, executors, and other interested parties in contested probate and trust matters. She uses mediation and negotiation to pursue resolutions in emotionally charged disputes. She further advises business owners on entity formation, governance, contracts, transactions, succession, and dissolution. Her work combines tax knowledge with practical planning for families and closely held businesses.
Elizabeth A. Tresp brings community leadership, public speaking experience, and professional recognition to her legal practice. She has appeared in podcasts and webinars, and she serves as vice president of North Coast Repertory Theatre’s board. Her profile reports six consecutive Super Lawyers Rising Stars selections and a 2021 Women of Influence in Law honor. She further supports arts, conservation, schools, youth sports, and nonprofit organizations through volunteer service and philanthropy.
Law Office Affiliations
- Principal Attorney, Tresp Law, APC
- Member, State Bar of California
- Member, State Bar of Wyoming
- Member, State Bar of Montana
- Member, San Diego County Bar Association
- Member, Probate Attorneys of San Diego
- Member, American Bar Association
Licensed State
- California
- Wyoming
- Montana
Education
- University of San Diego School of Law
LLM & JD - Middlesex University in London
Bachelor of Arts (BA)
Awards & Badges





- Contracts & Agreements
- Tax
- Probate
- Trusts
- Wills & Living Wills
- Alternative Dispute Resolution
- Litigation
- Mediation & Collaborative Law




