About David

David Costa is the founder of Costa Law Firm and a criminal defence lawyer serving Toronto and the Greater Toronto Area, with more than 25 years of experience. He obtained his Canadian law degree from the University of Windsor and an American law degree from the University of Detroit Mercy School of Law. He leads the firm's criminal law division and also works across its business, municipal, and real estate departments.

Practice areas

Criminal Defence Business & Corporate Law Real Estate Law Civil Litigation & Dispute Resolution Administrative & Regulatory Law

Education & credentials

Law school
University of Windsor

Listing compiled from public sources in August 2026. Confirm David Costa’s licence and standing in the Law Society of Ontario directory ↗