Ontario Construction Holdback Calculator

Estimate holdback, net payable amount, and payment calendar dates for a construction invoice. This page targets contractors searching for Ontario construction holdback, holdback release, and invoice cash-flow planning.

Holdback calculator

Estimate the holdback and invoice clock.

Use this as a planning calculator only. Construction payment, lien, holdback, and notice rules depend on jurisdiction, contract terms, project type, and timing.

Contract or invoice amount Holdback percent Proper invoice date Owner payment period

Holdback$10,000.00

Net payable before holdback release$90,000.00

Estimated payment dueChoose invoice date

Ontario non-payment notice checkpointChoose invoice date