Atty. Mark L. Castle

Atty. Mark L. Castle

Mark L. Castle is a lawyer practicing commercial law, family law, corporate law and 1 other area of law.

48 yrs experience 48 year
Call (877) 820-1210 Book Appointment

Profile Summary

About Mark L. Castle at a glance

Mark L. Castle is a family law, estate planning, and business attorney. They have 48+ years of legal experience, licensed to practice since 1978. Admitted to practice in Ontario (1978). Educated at University of Western Ontario (LL.B., 1976) and University of Toronto (B.A., 1973). Active member of Canadian Bar Association.

Verified attorney profile · Updated June 2026

About

  • Mark L. Castle is a lawyer practicing commercial law, family law, corporate law and 1 other area of law
  • Mark L. received a B.A. degree from University of Toronto in 1973, and has been licensed for 48 years
  • Mark L. practices in Dundas, ON

Practice Areas Explained

Mark L. Castle's Areas of Practice

Each practice area below reflects the types of cases Mark L. Castle handles, with a brief overview of what that area of law covers.

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Mark L. Castle is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Mark L. Castle is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark L. Castle is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Frequently Asked

Common questions about Mark L. Castle

What practice areas does Mark L. Castle handle?
Mark L. Castle focuses on family law, estate planning, business. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Mark L. Castle practiced law?
Mark L. Castle has 48+ years of legal experience and has been licensed since 1978.
Where did Mark L. Castle go to law school?
Mark L. Castle earned their education at (LL.B., 1976); (B.A., 1973).
How can I contact Mark L. Castle for a consultation?
You can contact Mark L. Castle directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

LL.B.
University of Western Ontario
- 1976
B.A.
University of Toronto
- 1973

Bar Admissions

Ontario
Admitted: 1978

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