The address for the above-mentioned escrow agreement is located at: in the Town or City of. Agreement on Costs: The parties agree on the estimated cost of the repairs and how much money will be held in escrow to cover these expenses.• Escrow Funds must be held in a non-interest-bearing account;. Download Massachusetts Escrow Holdback Agreement Addendum template, modify and send for signing using BoloForms Signature. ESCROW AGREEMENT entered into this _____ day of. You should use this addendum to real estate purchase contract whenever the seller has promised to complete repairs or work done on the home. A document escrow agreement is a contract between two or more parties where an escrow agent agrees to hold a document until a contractual obligation is filled.