A type of lease in which the tenant/lessee is required to pay for property taxes and insurance in addition to the rent, and the owner/lessor is required to pay for roof and structural maintenance.

NN leases are not the most desirable options for property owners because it requires them to be involved in the expenses and management details, as opposed to a triple net lease.

• Also known as a "Double-Net" or "Net-Net Lease".
• Some other forms of net leases are: N, NN, NNN, and NNN Bond lease.