If you are exploring commercial spaces to rent, you have likely come across the term “triple-net lease” or its abbreviation, NNN. It is one of the most common lease structures you can encounter, but it deserves a closer look to see if it fits your current situation.
Structure of a triple-net lease
A triple-net lease is a commercial lease agreement in which the tenant pays base rent plus three additional categories of property expenses: property taxes, building insurance and maintenance costs. Terms tend to span 10 to 15 years or more, which makes it important to understand the full scope of what you are agreeing to upfront.
Potential upsides for tenants
While an NNN lease comes with significant responsibilities, it has the following advantages:
- Lower base rent: Because you cover taxes, insurance and maintenance separately, the base rent is often lower than a gross lease would require.
- Greater operational control: You have more direct say in how the property is maintained, which lets you shape the space around your business needs.
- Possible tax deductions: The taxes, insurance and maintenance costs you pay may qualify as deductible business expenses, though a tax professional can advise on your specific situation.
The value of these advantages often depends on the terms you negotiated at the start. Clear provisions and renewal options can help you benefit from an NNN structure while limiting your exposure if costs rise.
Possible risks in the arrangement
Triple-net leases also carry risks such as:
- Rising costs: Taxes can increase, insurance can climb and major repairs can arise without warning.
- Long commitment: NNN leases typically lock you in for a decade or more, which limits your options if your needs or market conditions shift.
- Significant maintenance burden: You are responsible for general upkeep and mechanical repairs, though the landlord typically remains responsible for major structural components.
To protect your bottom line, consider negotiating expense caps or strictly defining what qualifies as a standard “repair” versus a structural “capital improvement” before signing.
Tennessee-specific considerations in your agreement
The state does not have a dedicated commercial landlord-tenant statute that governs NNN leases the way residential tenancy law covers residential leases. The contract itself largely shapes commercial lease terms.
This contract-driven framework places a premium on precise drafting. If your lease does not cap property tax pass-throughs, clearly define maintenance duties or address what happens after a casualty, you may face costs you did not expect when you signed.

