Atty. Mario D. Deo

Atty. Mario D. Deo

Mario D. Deo is a lawyer practicing condominium law, real estate, business law.

38 yrs experience 38 year
Call (416) 214-5267 Book Appointment

Profile Summary

About Mario D. Deo at a glance

Mario D. Deo is a Member, practicing at Fine & Deo. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on business, real estate, and hoa. Admitted to practice in Ontario (1988). Educated at University of Western Ontario (LL.B., 1986) and University of Toronto (B.A., 1982). Active member of Canadian Bar Association Law Society of Upper Canada.

Verified attorney profile · Updated June 2026

About

  • Mario D. Deo is a lawyer practicing condominium law, real estate, business law
  • Mario D. received a B.A. degree from University of Toronto in 1982, and has been licensed for 38 years
  • Mario D. practices at Fine & Deo in Vaughan, ON

Practice Areas Explained

Mario D. Deo's Areas of Practice

Each practice area below reflects the types of cases Mario D. Deo handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

Mario D. Deo is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Mario D. Deo is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys →

HOA & Condominium Law

Mario D. Deo is one of 5,637 hoa attorneys indexed nationally. Browse hoa attorneys →

Frequently Asked

Common questions about Mario D. Deo

What practice areas does Mario D. Deo handle?
Mario D. Deo focuses on business, real estate, hoa. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Mario D. Deo practiced law?
Mario D. Deo has 38+ years of legal experience and has been licensed since 1988.
Where did Mario D. Deo go to law school?
Mario D. Deo earned their education at (LL.B., 1986); (B.A., 1982).
How can I contact Mario D. Deo for a consultation?
You can contact Mario D. Deo 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
- 1986
B.A.
University of Toronto
- 1982

Bar Admissions

Ontario
Admitted: 1988

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