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Erin A. Norcia
  • Equity Partner


Danville, CA



(408) 998-9700


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.

In addition, Ms. Kolko 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.

Ms. Kolko is also an Adjunct Professor of the Wills & Trusts Course at Santa Clara University School of Law.

Areas of Practice

  • Trust, Probate, and Conservatorship Litigation
  • Estate Planning

Bar Admissions

  • California, 2006


  • Santa Clara University School of Law, Santa Clara, California
    • J.D. - 2006
    • Honors: Witkin Award for Estate Planning and Taxation, 2006
    • Honors: Best Oral Advocate Award, 2005
    • Honors: CALI Excellence for the Future Award in Legal Research and Writing, 2004
    • Honors: Santa Clara University Pro Bono Plaque for volunteer legal services provided to the community
    • Honors: National Moot Court Competition, Represented SCU
  • San Jose State University
    • B.A. - 2002
    • Major: Biology
  • Oxford University
    • Major: Comparative Intellectual Property Law Program

Published Works

  • 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


  • Speaker, Probate Boot Camp, National Business Institute, 2018
  • Speaker, The Planning, Administration, and Litigation of HEMS, Various Organizations, 2015 to 2018
  • 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

Honors and Awards

  • Superlawyers Rising Star
  • Witkin Award - Estate Planning and Taxation
  • Santa Clara University School of Law - Best Oral Advocate
  • CALI Excellence for the Future Award - Legal Research and Writing
  • Oxford University Comparative Intellectual Property Law Program

Professional Associations and Memberships

  • California Lawyers Association, Trusts and Estates Section, Member, 2013 to Present
  • Contra Costa County Bar Association, Member, Estate Planning & Probate Section, 2013 to Present
  • Tri-Valley Estate Planning Council, Member, Former Board Member, 2013 to Present
  • California Dept. of Real Estate, Broker, 2005 to Present
  • Phi Delta Phi, Legal Honor Fraternity, 2005 to Present

Pro Bono Activities

  • Santa Clara University School of Law Pro Bono Plaque, 2005


  • English


  • Phi Delta Phi