Triple Net Explained: Who Actually Pays for What?

Triple net lease who pays what is one of the most important questions to answer before signing a commercial lease in Nevada. A triple net lease, commonly called an NNN lease, generally requires the tenant to pay base rent plus specified property expenses, including real estate taxes, building insurance, and maintenance costs. However, the label “triple net” does not automatically tell you exactly which expenses you must pay, how those expenses are calculated, or whether the landlord can pass unexpected costs on to you.

If you are negotiating a commercial lease or disputing operating expenses, the Commercial Real Estate Attorney practice area provides further information about legal issues involving commercial property and leasing. In Nevada, the actual lease language is critical because NNN arrangements are contractual: the agreement determines which expenses are recoverable, how they are allocated, what documentation must be provided, and which responsibilities remain with the landlord.

What Is a Triple Net Lease?

A triple net lease is a commercial leasing arrangement in which the tenant generally pays three categories of property expenses in addition to base rent: property taxes, property insurance, and maintenance or operating expenses. These are commonly called the three “nets.” The structure is frequently used for retail stores, restaurants, warehouses, offices, and other commercial properties.

The tenant’s total payment is therefore more than the advertised base rent. For example, a lease might charge $4,000 per month in base rent, plus a monthly estimate for the tenant’s share of property taxes, insurance, and common-area maintenance. The tenant may later owe an additional amount if actual expenses exceed the estimate, or receive a credit if the lease provides for reconciliation and the tenant overpaid.

There is no universal NNN formula that overrides the written lease. Some agreements shift a broad range of property expenses to the tenant, while others exclude structural repairs, capital improvements, management fees, or certain increases in operating costs. The details matter more than the label.

Triple Net Lease: Who Pays What?

The central issue is how the lease allocates each category of expense. Tenants should not assume that every property-related cost automatically belongs to them, and landlords should not assume that an expense is recoverable merely because it relates to the building.

Property Taxes

Under many NNN leases, the tenant pays all or a proportionate share of real property taxes assessed against the leased property. The agreement may require the tenant to pay the landlord directly, reimburse the landlord after receiving a statement, or make monthly estimated payments that are reconciled against the actual tax bill.

Nevada property taxes are governed by state law and administered through county assessors and treasurers. For commercial property in Clark County or Washoe County, the tenant should establish whether the lease passes through the full tax bill, only the tenant’s allocated share, or increases above a defined base-year amount.

The lease should also address supplemental assessments, tax appeals, penalties, and interest. If the landlord appeals an assessment and receives a refund, the agreement should explain whether the tenant receives its proportional share of the benefit. Without clear language, disagreements can arise over both the original payment and the later adjustment.

Property Insurance

The second net generally concerns property insurance. The landlord may maintain insurance on the building and pass some or all of the premium to tenants as an operating expense. The tenant may separately need commercial general liability insurance, business property coverage, workers’ compensation, or other policies required by the lease.

These policies serve different purposes. The landlord’s building insurance does not necessarily cover the tenant’s inventory, equipment, business interruption losses, or liability arising from the tenant’s operations. The lease should specify which premiums are recoverable and whether deductibles, broker fees, administrative charges, or insurance for other properties can be included.

A tenant should also check whether the landlord can increase coverage or change insurers without limitation and then pass the additional premium through. Insurance costs can change substantially over a lease term, so the method of allocation is an important part of the financial risk.

Maintenance and Common-Area Expenses

The third net usually includes maintenance and operating expenses. In a multi-tenant shopping center or office building, these costs may include landscaping, parking-lot maintenance, lighting, cleaning, security, waste removal, shared utilities, and repairs to common areas. Such charges are often described as common-area maintenance (CAM) expenses.

The tenant’s share may be calculated according to the rentable area of the premises compared with the total rentable area of the property. However, leases may use different allocation methods, and some expenses may be excluded or allocated only to tenants who benefit from a particular service.

This is especially important for businesses in Nevada shopping centers, where parking, landscaping, cooling systems, and other shared facilities can generate substantial costs. Ask for the allocation formula and examine whether vacant units, anchor tenants, or excluded areas affect the tenant’s percentage.

Who Pays for Repairs, Replacements, and Capital Improvements?

Maintenance costs and major capital expenses are not always the same thing. Routine maintenance may include cleaning, landscaping, servicing equipment, and repairing minor damage. Capital improvements may include replacing a roof, installing a new HVAC system, resurfacing a parking lot, or upgrading building infrastructure.

A lease may pass routine maintenance expenses to tenants while keeping certain structural repairs or capital improvements with the landlord. Other NNN agreements shift a broader range of costs to tenants, sometimes including capital expenditures amortized over a specified period. The result depends on the written provisions, not simply on whether the lease is called triple net.

For landlords, clear drafting helps establish which expenses can be recovered and how they are calculated. For tenants, the goal is to avoid being charged for major improvements that the lease does not authorize the landlord to pass through. Review the provisions covering roofs, foundations, structural components, building systems, replacement reserves, and capital expenditures before agreeing to the lease.

How Are NNN Expenses Calculated?

In a multi-tenant property, tenants commonly pay a proportionate share of eligible operating expenses. The allocation may be based on the rentable square footage of the tenant’s premises compared with the total rentable area used in the lease’s calculation.

For example, assume a retail tenant occupies 2,000 square feet in a shopping center with 20,000 square feet of rentable space. If the lease uses those figures to calculate the tenant’s share, the tenant’s proportionate share would be 10%. If eligible annual expenses total $120,000, that tenant’s allocated share would be $12,000 per year, or an average of $1,000 per month.

This is an illustrative calculation, not a universal rule. The lease may exclude certain areas, allocate particular expenses differently, or use a different measurement of rentable space. It should also explain how expenses for vacant units, separately metered utilities, and facilities serving only certain tenants are handled.

What Should Tenants Check Before Agreeing to NNN Charges?

The most useful protection is a clear definition of recoverable expenses. Tenants should check whether the lease excludes landlord income taxes, leasing commissions, costs of correcting the landlord’s original construction defects, costs reimbursed by insurance, expenses caused by another tenant, and capital improvements that are not properly recoverable under the agreement.

The lease should also establish how estimated monthly payments are reconciled with actual costs. Ask whether the landlord must provide an annual operating-expense statement, supporting invoices, and reasonable access to relevant records. If the tenant has a right to audit the charges, check the deadline for exercising it and whether the tenant must pay disputed amounts while the review proceeds.

Landlords should also make sure the lease specifies allocation methods, recordkeeping obligations, payment dates, and procedures for resolving disagreements. Clear language can reduce disputes over charges that are otherwise difficult to verify after several years.

About Milan Chatterjee

This article was prepared by Milan Chatterjee, a Nevada and California licensed attorney and founder of My Real Estate Lawyer, a real estate law practice dedicated to protecting property owners, investors, landlords, homeowners, businesses, and community associations throughout Nevada.

Milan Chatterjee focuses on real estate litigation and disputes involving property purchases and sales, property transfers, quiet title actions, title disputes, boundary disputes, easements, foreclosure, landlord-tenant matters, HOA disputes, and related real estate issues. He is a graduate of UCLA School of Law and NYU School of Law and previously served as Associate Compliance Counsel at Las Vegas Sands. He helps clients throughout Las Vegas, Reno, and other communities across Nevada.

Frequently Asked Questions

Conclusion

A triple net lease generally requires the tenant to pay base rent plus specified property taxes, insurance, and maintenance or operating expenses. However, the label alone does not determine who pays for every repair, replacement, improvement, or administrative charge. The written lease establishes the actual allocation and may include important limits, exclusions, and reconciliation procedures.

For Nevada landlords, a well-drafted NNN lease should make expense recovery transparent and enforceable. For tenants, understanding the full cost of occupancy is essential before committing to a long-term commercial lease. Reviewing the expense provisions alongside the base rent can help prevent unexpected charges and reduce the likelihood of a costly dispute.