Arlene Kostant

3620 Mt. Diablo Boulevard, Suite 200
Lafayette, California 94549
United States
Office Phone: 415-433-2863
Member since 2004
Membership Type: IACP


Lawyer, Mediator
Area(s) of Practice: Collaborative Law, Family Law, Mediation, Teaching
License(s): Certified Family Law Specialist, State Bar of California Board of Legal Specialization

Professional Activities

Member: Collaborative Practice, San Francisco; Collaborative Practice East Bay; ~Member and Past Chair: Family Law Section, Bar Association of San Francisco ~Negotiations teacher and trainer: Adjunct Faculty, UC Berkeley School of Law

Undergraduate Education

New York University, BA

Postgraduate Education

University of Rochester, MA

Professional Education

Golden Gate University, JD with Honors


I am committed to helping clients resolve family law issues through collaborative negotiation and mediation.