Photo of Erin N. Kolko

Erin N. Kolko is a partner at Temmerman, Cilley & Kohlmann, LLP. She joined the firm in 2005. Ms. Kolko’s practice focuses on trust, probate, and conservatorship litigation, including but not limited to will contests, trust contests, financial elder abuse, fiduciary removal and surcharge, accounting disputes, reformation, modification, and interpretation of estate planning documents, disputed real property claims, contested conservatorships, and related civil litigation.

Ms. Kolko handles every stage of litigation, including pre-lawsuit negotiation, discovery, law and motion, mediation, arbitration, early neutral evaluation, trial, and appeal. Ms. Kolko is admitted to practice law in all superior courts of California, all appellate courts of California, the Supreme Court of California, and all federal district courts in California.

Ms. Kolko also represents trustees, executors, agents, and beneficiaries in contentious trust and estate administrations, as well as assists clients with preparation of their personal estate plans, including living trusts, wills, durable powers of attorney, advance health care directives, nominations of guardians, and all property transfer documents.

Adjunct Professor

Santa Clara University School of Law, Wills & Trusts course, Summer semester 2017


Admissions and Licensures

  • California State Bar, 2006
  • California Real Estate Broker, 2005

Professional Organizations and Memberships

  • Member, California Lawyers Association, Trusts and Estates Section
  • Member, Contra Costa County Bar Association
  • Former board member and current member, Tri-Valley Estate Planning Council
  • Member, Phi Delta Phi International Legal Honors Society

Recent Presentations

  • Speaker, “Probate Boot Camp,” National Business Institute, 2018
  • Speaker, “The Planning, Administration, and Litigation of HEMS”
    • Santa Clara County Estate Planning Council, 2018
    • East Bay Trusts & Estates Lawyers, Spring Symposium, 2016
    • San Mateo County Bar Association, Estate Planning & Probate Section, 2016
    • Silicon Valley Bar Association, Trusts and Estates Section, 2015
  • Speaker, “Recent Developments,” Contra Costa County Bar Association, Estate Planning and Probate Section, 2014
  • Speaker, “Estate Planning Basics,” Law Review CLE, 2013
  • Speaker, “Trust Administration: Preventing and Litigating Fiduciary Liability,” National Business Institute, 2011

Recent Articles

  • Co-Author, “The Planning, Administration, and Litigation of the ‘HEMS’ Standard,” California Trusts and Estates Quarterly, March 2017
  • Author, “Grandma Got Scammed by a Reindeer” – Recognizing and remedying financial elder abuse, Contra Costa Lawyer, December 2015