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Construction Liens in Ontario

Official Ontario construction lien law sources for construction businesses. 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

Ontario

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

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