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Arlene Kostant Divorce & Family Law Attorney in Lafayette, CA

Lafayette, CA 94549

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Arlene Kostant is a divorce and family law attorney in Lafayette, California, helping clients with child custody, property division, postnuptial agreements, and divorce.

Arlene Kostant helps clients in Lafayette and throughout California with divorce and family law matters.

Explore more: More divorce lawyers in Lafayette · Divorce guide for California

Updated: October 13, 2026 · General information, not legal advice

Focus

Adoption, Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Domestic Violence, Father's Rights, Juvenile Law, Marital Property, Mediation & Collaborative Law, Name Change, Paternity, Prenuptial Agreements...

Family law matters in Lafayette

Divorce Lawyer in Lafayette, CA

Family Law Attorney in Lafayette, CA

Child Custody Lawyer in Lafayette, CA

Child Support Lawyer in Lafayette, CA

Alimony Lawyer in Lafayette, CA

Property Division Lawyer in Lafayette, CA

Contact

Address: 3620 Mt Diablo Blvd, Suite 200 · Lafayette, CA 94549

Background

Licensed state: California

Licensed since: 1977

Law school: Golden Gate University School of Law

Languages: English; French

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Next steps

Call and compare
Talk to 2–3 offices to compare fees and approach.

Ask about your case type
Custody, property, business assets, or high conflict.

Confirm availability
Ask who will handle your case day-to-day.