David Costa – Criminal Defence Lawyer in Toronto
David Costa is the founder of Costa Law Firm and an experienced criminal defence lawyer serving Toronto and the Greater Toronto Area. With more than 25 years of legal experience, he has represented individuals facing criminal, business, real estate, municipal, and civil legal matters. Holding both Canadian and American law degrees, David is recognized for developing practical legal strategies focused on protecting his clients’ rights, reputation, and future.
Why Clients Choose David Costa?
David Costa has built a reputation for providing strategic legal representation and personalized client service. As the founder of Costa Law Firm, he works closely with clients to understand their circumstances and develop effective legal solutions.
Experience & Qualifications
- Founder of Costa Law Firm
- Canadian Law Degree – University of Windsor
- American Law Degree – University of Detroit Mercy School of Law
- More than 25 years of legal experience
- Extensive courtroom and tribunal experience throughout Ontario
- Serves individuals, families, business owners, and international clients
Areas of Practice
David Costa provides legal representation and strategic guidance in:
- Criminal Defence
- DUI & Impaired Driving Charges
- Assault & Domestic Assault Cases
- Fraud & Theft Offences
- Business Law
- Real Estate Law
- Municipal Law
- Civil Litigation
When facing a legal issue, experience matters. David Costa has spent decades representing clients before Ontario courts and administrative tribunals. His approach combines legal knowledge, practical problem-solving, and a commitment to achieving the best possible outcome for every client.

Mr. David Costa is the founding member of Costa Law Firm. Within a short period of time David generated a client base that recognizes his unique ability to achieve effective results. He has expanded the firm amongst skilled and experienced associates who together provide a wide range of legal counsel to local and international clients.
Mr. Costa obtained his Canadian law degree from the University of Windsor. He also obtained his American law degree from the University of Detroit Mercy School of Law.
Costa Law Firm has developed the skills and experience needed to address the legal concerns of the local community. Mr. Costa leads the Criminal Law division at the firm. As well, he works with the associates in the Business Law, Municipal Law and Real Estate Law Departments to provide the best service to those wishing to realize their business objectives.

Testimonials
What our clients are saying
Contact Us
Costa Law Firm
Costa Law Firm is a law firm located in Toronto with exceptional credentials that stands out for its commitment to client service. Our service minded approach has led Costa Law Firm to be one of the most reliable law firms in Toronto.
Address
Main Office:
1015 Bloor Street West, Toronto, Ontario M6H 1M1
Phone: (416) 535-6329
Fax: 416-535-4735
info@costalawfirm.ca
We provide emergency services for urgent matters.
Consultation Office:
17075 Leslie St Unit 6, Newmarket, ON L3Y 8E1Vaughan location 290 Caldari Rd Unit 8, Concord, ON L4K 4J4, CanadaBarrie location 49 High St 3rd floor, Barrie, ON L4N 5J4, Canada










