The Critical Role of Construction Lien Deadlines in Ontario

Key Deadlines You Need to Know

Contractors, subcontractors, and suppliers must preserve a lien within 60 days of a triggering event—like project completion, abandonment, termination, or issuance of a substantial performance certificate. Preserving your construction lien involves engaging a professional firm like Lien Master to generate your construction lien documents and register your lien on the title of the property in question.

Once preserved, you have 90 days from the last preservable date to perfect the lien by starting a court action. The court will also issue a certificate of action which Lien Master then registers on title to tell the world that your construction lien has been correctly perfected.

Missing these windows often means losing your lien rights entirely - courts enforce them rigorously and often have no discretion to extend these deadlines, with no room for excuses.

Why Timing is Everything

A single overlooked date can wipe out a valid construction lien claim, exposing your business to significant financial risk. Proactive tracking of milestones, invoices, and certificates is essential to safeguard your interests.

At Lien Master by Maki Law, we help construction professionals navigate these deadlines with precision. Contact us today to protect your payments with the powerful Ontario construction lien remedy and keep your projects moving forward.