What exactly is substantial completion? Substantial completion is the stage when a construction project is deemed sufficiently completed to the point where the owner can use it for its intended purpose.

What determines substantial completion?

The California Legal Definition of “Substantial Completion”

Occupation or use by the owner after the labor has been completed; 60 days after all labor on the project has ceased; or. As soon as all work on the project has completely ceased for at least 30 days and a notice of cessation is filed.

What is substantial completion vs final completion?

Construction projects typically involve two different stages of completion – Substantial Completion and Final Completion. Any work that remains to be completed after the project has reached Substantial Completion is generally referred to as punch list work and its completion usually constitutes Final Completion.