Pat promises to install granite countertops in the home at 123 Main Street that Bruce is purchasing "provided that the escrow on the sale of 123 Main Street closes." The close of escrow on the sale of 123 Main Street is a condition precedent to Pat's promise.

Condition Precedent

A condition that operates to give rise to a contracting party’s duty to perform.

Close of Escrow

The finalization of a real estate transaction, where all conditions have been met and the property's title is transferred from the seller to the buyer.