Atty. Sidney H. "Sid" Troister
A senior partner in our Commercial Real Estate Group, Sidney has a very broad business and commercial law practice. In addition to his traditional real estate law practice involving the purchase, sale and financing of commercial property, he is consulted regularly by industry, title insurers and lawyers for his expertise and his practical and creative approach to real estate problem solving, trouble shooting, and getting deals done.
Legal Malpractice Law & More Attorney · Serving Toronto, ON · 52+ Years Experience
Profile Summary
About Sidney H. "Sid" Troister at a Glance
Sidney H. "Sid" Troister is a real estate attorney based in Toronto, Ontario, practicing at Torkin Manes LLP. They have 52+ years of legal experience, licensed to practice since 1974. Admitted to practice in Ontario, Designated Chartered Arbitrator (C. Arb.): ADR Institute of Canada, Ontario, Certified by the Law Society of Upper Canada as a Specialist in Real Estate Law 2004, and Ontario (1974). Recognitions include Best Lawyers in America — Legal Malpractice Law (2026), Best Lawyers in America — Real Estate Law (2026), and Best Lawyers in America — Awards: (2026). Serves clients in Toronto, ON and the surrounding metropolitan area.
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About Sidney H. "Sid" Troister
- A senior partner in our Commercial Real Estate Group, Sidney has a very broad business and commercial law practice
- In addition to his traditional real estate law practice involving the purchase, sale and financing of commercial property, he is consulted regularly by industry, title insurers and lawyers for his expertise and his practical and creative approach to real estate problem solving, trouble shooting, and getting deals done
- He also serves as counsel to the Lawyers’ Professional Indemnity Company and title insurers, providing opinions, strategy and litigation support regarding the standard of practice of real estate lawyers in Ontario
- He is also an arbitrator and mediator of real estate and commercial leasing disputes
- He is considered one of the leading members of the Ontario real estate bar
- From 1990 to 2000, he was the co-head of the Real Estate Law section of the Ontario Bar Admission Course
- He continues to chair the Law Society of Upper Canada’s annual Real Estate Law Summit which he founded in 2004
- A noted teacher, he is a frequent speaker at continuing legal education programmes for the Law Society, the Ontario Bar Association, and many local Ontario law associations on a wide range of real estate law-related topics
- In 2008, he was awarded the Law Society Medal for his contribution to the practice of law in Ontario.Sidney is the author of "The Law of Subdivision Control in Ontario", a text on Section 50 of the Planning Act and is generally considered by Ontario lawyers as the leading expert on subdivision control in the province
- He co-authored "Real Estate Conveyancing in Ontario: A Nineties Perspective", for the Lawyers’ Professional Indemnity Company, which analyzed the role of lawyers in real estate transactions in Ontario
- He is a contributing author to "Agreements of Purchase and Sale" and to the 5th edition of "Falconbridge on the Law of Mortgages".Sidney has authored special bulletins for the legal profession on mortgage fraud in real estate transactions, published annotations on leading judicial decisions and issued cautions to the profession on the standard of real estate practice
- He is a past member of the Executive of the Real Property Section of the Ontario Bar Association and was the co-chair of the 2002 Special Lectures of The Law Society of Upper Canada
- He chairs The Law Society of Upper Canada’s Annual Real Estate Law Summit
- In 2015, he was elected a Bencher (governor) of the Law Society of Upper Canada
- Much in demand as a speaker, Sidney has been a leader and educator in continuing education programmes for lawyers in Ontario
Practice Areas Explained
Sidney H. "Sid" Troister's Areas of Legal Practice
Each practice area below reflects the types of cases Sidney H. "Sid" Troister handles, with a practical overview of what that area of law involves and how it may apply to your situation in Toronto.
Real Estate Law in Toronto
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Sidney H. "Sid" Troister is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Ontario →
Jurisdictional Context
Why Local Counsel Matters in Toronto
Practicing law in Ontario. Legal matters in Ontario are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Toronto are typically filed in the local municipal court or the appropriate Ontario state district court, depending on subject matter and amount in controversy. An attorney licensed in Ontario brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ontario courts without local counsel or pro hac vice admission.
Toronto Courts and Legal Process
Choosing a Toronto-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Ontario attorneys? Browse all attorneys in Toronto or all attorneys in Ontario.
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Professional Profile
Why Clients in Toronto Choose Sidney H. "Sid" Troister
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Sidney H. "Sid" Troister's practice in the field of real estate.
Decade-Tested Legal Experience
Sidney H. "Sid" Troister brings 52+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Ontario, Designated Chartered Arbitrator (C. Arb.): ADR Institute of Canada, Ontario, Certified by the Law Society of Upper Canada as a Specialist in Real Estate Law 2004, and Ontario, Sidney H. "Sid" Troister can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Focused Real Estate Practice
Concentrating on real estate means Sidney H. "Sid" Troister's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Toronto
A Toronto-based practice means Sidney H. "Sid" Troister attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Sidney H. "Sid" Troister Handles in Toronto
Below is a representative sample of the types of matters Sidney H. "Sid" Troister has experience with under Ontario law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Sidney H. "Sid" Troister directly to discuss the specifics of your situation.
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Sidney H. "Sid" Troister's Practice Areas & Specializations
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