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Ontario construction resources

Official Ontario sources for construction businesses: construction lien law, small claims and disputes, workplace health and safety, and business registries and authorities. Each card links to the government or authority that publishes it, with the date ArtBuild last checked it.

Official source published by a government or authority

Construction Liens

Official source Legislation · Ontario

Construction Act (Ontario, R.S.O. 1990, c. C.30)

Official consolidated text of Ontario's Construction Act on e-Laws, published by the Government of Ontario.

Source: Government of Ontario (e-Laws) Verified October 23, 2026

Official source Government resource · Ontario

Independent review of the Construction Act (Government of Ontario)

Government of Ontario page on the 2024 independent review of the Construction Act, which the page describes as the law that regulates how payments are made in the construction industry.

Source: Government of Ontario Verified October 23, 2026

Construction Disputes

Official source Court or tribunal · Ontario

Small Claims Court, Ontario Superior Court of Justice

The Ontario Superior Court of Justice page for Small Claims Court, with information about starting and responding to a claim.

Source: Ontario Superior Court of Justice Verified October 23, 2026

Construction Safety

All Construction Safety

Official source Legislation · Ontario

Construction Projects (Ontario Regulation 213/91)

Official consolidated text of Ontario Regulation 213/91, Construction Projects, under the Occupational Health and Safety Act, on e-Laws.

Source: Government of Ontario (e-Laws) Verified October 23, 2026

Official source Workplace safety authority · Ontario

Workplace Safety and Insurance Board (WSIB)

Official website of the WSIB, Ontario's workplace safety and insurance board.

Source: Workplace Safety and Insurance Board Verified October 23, 2026

Canadian Construction Legal Directory

Official source Government resource · Ontario

Ontario Business Registry

Government of Ontario page for the Ontario Business Registry, used to register businesses and to search for and obtain information about registered businesses.

Source: Government of Ontario Verified October 23, 2026

All construction forms & legal tools

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