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Triple net lease: what the label does not tell you
A triple net lease has no standard definition. Real contracts differ on roof, structure and capital costs. What to read instead of the three-word label.
A triple net lease is a lease structure in which the tenant pays rent plus its proportionate share of three cost categories: property taxes, building insurance, and maintenance. The alternative is a gross lease, where those costs sit inside the rent. What is not settled is what any of the three actually include, because no standards body defines a triple net lease.
The proof that the label varies
A widely used collection of contractual definitions holds eleven different versions of the term. One defines it as a lease where the "tenant is responsible for payment of real estate taxes and assessments, repairs and maintenance, insurance, capital expenditures and other expenses." Another defines it as one where the tenant is responsible "except for major roof and structural repairs and other customary exclusions." Those are the same three words on the cover and a materially different risk position underneath, and the difference is a roof replacement.
The seven questions the label leaves open
| The question | Why it matters | Where the answer lives |
|---|---|---|
| Are roof and structure excluded? | The largest single capital exposure in the building | The repairs and maintenance clause, and exclusions list |
| Are capital expenditures amortized or charged in full? | A resurfacing charged in one year is a budget event | The operating expense definition |
| Is there a cap on controllable expenses? | Caps limit year-over-year increases the landlord influences | The expense cap or escalation provision |
| Is there a base year, and is it grossed up? | A low base year shifts every later increase onto you | The base year and gross-up provisions |
| Is there an audit right, and what is its deadline? | It determines whether any of the above is verifiable | The audit or inspection clause |
What ASC 842 does with a triple net structure
Under ASC 842, common area maintenance is generally a non-lease component, while reimbursements of the landlord’s own costs, such as taxes and insurance, are typically excluded from component allocation altogether. Lessees may elect to combine lease and non-lease components into a single lease component, which simplifies allocation and increases the recorded lease liability, a real trade between reporting effort and balance sheet size that bites hardest on a triple net portfolio.
Administering one, once it is signed
A triple net lease creates an annual obligation a gross lease does not: somebody has to check the landlord’s arithmetic. The seven questions above belong in the lease record as abstracted fields, because the annual check is only possible once the exclusions, caps, and audit deadline are recorded rather than reread each cycle. See our CAM recovery audit for tenants and what CAM reconciliation involves.
Frequently asked questions
What does triple net mean in a lease?
- It means the tenant pays rent plus its share of three cost categories: property taxes, building insurance, and maintenance. It does not specify what falls inside each one, which is set by the lease’s own definitions.
Who pays for the roof in a triple net lease?
- It depends entirely on the document. Some triple net leases make the tenant responsible for capital expenditures with no carve-out, and others exclude major roof and structural repairs explicitly, and both get called triple net.
What is an absolute net or bondable lease?
- Structures where the tenant carries essentially all costs and risks with no landlord obligations and few or no exclusions, often including roof and structure. Like triple net, these are market conventions, not defined terms.
Are triple net charges subject to audit?
- Only if the lease gives you an audit right, and most that do attach a deadline measured in months from the reconciliation statement, among the most valuable and most commonly missed provisions in a net lease.
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