Last updated: November 5, 2026
NNN stands for triple net. In a triple net lease, the tenant pays base rent plus the property's three main operating costs: property taxes, building insurance, and common area or property maintenance. The landlord receives a more predictable net income, while the tenant takes on much of the cost variability.
The tenant pays base rent on a set schedule. The landlord also bills the tenant for its share of taxes, insurance, and maintenance, usually as monthly estimates reconciled once a year against actual costs. In a single-tenant building, the tenant may pay these costs directly or handle maintenance itself.
Triple net leases are common for single-tenant retail such as pharmacies, quick-service restaurants, and banks, as well as for industrial buildings and some medical and office properties. Multi-tenant shopping centers often use NNN structures with shared CAM charges.
Because tenants carry most operating costs, NNN properties can offer steady income with lighter landlord management. Long leases to established tenants make the income easier to underwrite. These traits attract investors seeking passive income.
Imagine a single-tenant retail building leased NNN. The tenant pays monthly base rent and also covers the property tax bill, the insurance premium, and parking lot and landscaping upkeep. The landlord's job is mostly collecting rent and handling any obligations the lease reserves to them, such as roof replacement. Actual responsibilities always depend on the specific lease language.
The landlord's income depends heavily on the tenant. If a single tenant leaves or fails, income can drop to zero while the landlord pays all costs. Lease terms vary: some NNN leases leave roof and structure to the landlord, which can be expensive. Read each lease closely rather than assuming every NNN lease is the same.
Because NNN income is closer to net, investors often value these properties primarily on tenant credit, remaining lease term, and rent escalations. A long lease with a strong tenant and scheduled increases tends to attract more buyers than a short lease with an uncertain renewal. As the lease nears its end, the property's value can depend more on the odds of renewal and the cost of re-leasing.
Tenants should review how costs are allocated, which items are excluded, whether there are caps on controllable expenses, and their right to audit reconciliations. Unexpected tax reassessments or insurance increases flow through to the tenant.
Is NNN good for landlords? It often reduces cost exposure, but it concentrates risk in tenant quality.
Is NNN rent lower than gross rent? Base rent is typically lower, since the tenant pays operating costs separately.
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Educational note: This page is general information, not investment, lending, tax, or legal advice. Briefcase is a media and marketing company, not a lender, broker, or advisor. Confirm terms and figures with qualified professionals before making decisions.
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