Resources · Glossary
What is a triple net lease?
A net lease (NNN) is a lease where the tenant pays rent plus its share of taxes, insurance and maintenance; triple net covers all three. The landlord receives a more predictable net income, and the tenant takes on the cost variability.
| Term | Area |
|---|---|
| Net lease (NNN) | Commercial leases |
| Gross lease | Glossary |
| CAM reconciliation | Modules |
How does a triple net lease work?
Base rent is lower than under a gross lease because the tenant also pays the property's operating costs. In a single-tenant building the tenant may pay those costs directly. In a multi-tenant property the landlord pays them and bills each tenant its pro-rata share through monthly estimates and an annual reconciliation.
"Single net" and "double net" leases pass through only some of these costs. Even in NNN leases, the lease may keep certain items, such as roof and structure, with the landlord.
See also: CAM reconciliation.

What does an NNN cost breakdown look like?
Example (illustrative figures). A 5,000 sq ft unit has base rent of $20 per sq ft ($100,000 a year). Estimated NNN charges are $4 tax, $1 insurance and $3 CAM per sq ft, so $40,000 a year. The tenant pays about $11,667 a month, and the $40,000 is reconciled to actual costs after year-end.

Who pays for structural repairs in an NNN lease?
It depends on the lease. In an absolute or bondable net lease the tenant can be responsible for almost everything, including structure. In many NNN leases the landlord keeps responsibility for the roof and structure. The repair clause, not the label, decides.
Why do landlords prefer NNN leases?
NNN leases pass most operating cost risk to tenants, so the landlord's net income is steadier and easier to value. They are common for single-tenant retail, industrial and medical properties. In exchange, base rent is usually lower than under a comparable gross lease.
How are NNN charges billed?
In multi-tenant properties, tenants usually pay monthly estimates based on the budget, followed by an annual reconciliation against actual costs. The lease sets the share calculation, any caps or exclusions, and deadlines for the year-end statement. Any overpayment is usually credited to the tenant, while any shortfall is billed as a one-off charge after the statement is issued.
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