A master lease agreement is a contractual arrangement between two parties, typically a property owner (lessor) and a tenant (lessee). Keep your Master Lease and your Option separate.A master service agreement (MSA) is a fundamental contract outlining the scope of the relationship between two parties. MASTER LEASE AGREEMENT THIS MASTER LEASE AGREEMENT (the "Lease") is made as of the 4th day of September, 1996 between CCA FINANCIAL, INC. A Master Service Agreement (or MSA) is an agreement between two parties that list the terms and conditions that will govern their future business relationship. A master lease agreement pertains to the leasing and subleasing of property, while a master service agreement pertains to the provision of services. Get up and running quickly with a master service agreement template Virginia. This downloadable template will get you selling in no time.