N.J. Stat. Ann. § 17:9A-23.5

A bank or savings bank may, for the purposes of establishing an auxiliary office or offices, purchase or lease real property, or it may use real property heretofore purchased or leased by it; provided, that the cost of establishing an auxiliary office, including construction and alteration costs, and including the purchase price or the rental of the real property, shall not exceed such sum as the Commissioner of Banking and Insurance shall approve, taking into consideration the capital and surplus of the bank, and the surplus of the savings bank. As an incident to the conduct of its business at an auxiliary office, a bank or savings bank may provide motor vehicle parking facilities for its customers.