Understanding the Key Differences Between Gross Lease, Modified Gross Lease, and Absolute NNN Lease
For commercial real estate investors, particularly those who own Triple Net (NNN) properties, the benefits of a long-term, low-maintenance income stream with high-credit tenants are clear. NNN leases provide landlords with peace of mind and responsibility-free earnings. However, for those considering diversifying their portfolio or investing in properties with different lease structures, it’s crucial to understand how other leases, like Gross Leases and Modified Gross Leases, compare.
Here’s a breakdown of the differences between Gross Leases, Modified Gross Leases, and NNN leases and what they mean for you as an investor.
What is a Gross Lease?
A Gross Lease, also known as a full-service lease, is typically used in multi-tenant commercial properties such as office buildings, industrial complexes, and some retail spaces. In this arrangement, the property owner or landlord covers all operational expenses, including property taxes, insurance, maintenance, and utilities. The landlord then calculates a single rent amount that covers these expenses and charges tenants a flat-fee rent.
One of the risks with Gross Leases is that it can be challenging to predict costs accurately, especially if there is no historical data on the property’s operational expenses or if a new tenant’s usage patterns differ significantly from the previous occupant. This can lead to the landlord shouldering excess charges, if utility or maintenance costs unexpectedly rise. Furthermore, over time, as expenses like property taxes or maintenance increase, landlords are responsible for absorbing these costs until the lease is up for renewal.
With these variables in mind, while a Gross Lease may initially seem to offer a solid return, actual Internal Rate of Return (IRR) can fall well below expectations. That 10-12% projected return may end up being closer to 5-6% once all costs are accounted for.
What is a Modified Gross Lease (MGL)?
A Modified Gross Lease (MGL) is a variation of a Gross Lease that offers a more balanced cost-sharing model between the landlord and tenant. Typically used in office complexes, retail centers, and some single-tenant leases (e.g. large corporations like AutoZone or Starbucks), this lease structure allows for flexibility in determining who pays for what.
In a typical MGL, tenants cover some operating costs directly, such as utilities, maintenance, and common area maintenance (CAM), while the landlord remains responsible for building maintenance, structural repairs, property taxes, and insurance. The division of these expenses is agreed upon in the lease agreement, and tenants might either pay their share of these costs directly to the service provider or to the landlord in addition to their base rent.
The advantage of an MGL for landlords is that they aren’t entirely responsible for covering unexpected expenses. However, since landlords still handle significant costs, the returns may not be as high as expected. While advertised returns could be 10-12%, the actual IRR may end up in the 6-9% range, depending on the lease terms.
What is a NN lease?
In a NN lease – or double net lease (NN) – the tenant pays rent plus a portion of the property taxes and insurance, while the landlord is responsible for structural repairs and maintenance.
Double net leases are a common type of lease in commercial real estate. They are a middle ground between leases that put almost all the costs on the tenant and those that leave most of the costs on the landlord.
This middle-ground lease structure allows the tenant to take on more of the operating expenses, but the landlord is still liable for potentially costly repairs, such as roof or structural issues. This arrangement can be appealing to tenants looking for a more balanced cost-sharing agreement, but landlords need to be prepared for ongoing involvement in property upkeep.
Typical landlord responsibilities in NN can include:
- Roof
- Parking lot
- HVAC
- Structural repairs
- Common area maintenance: The landlord is responsible for maintaining common areas of the property
In a double net lease, the tenant is responsible for:
- Property taxes: The tenant is responsible for paying property taxes
- Building insurance: The tenant is responsible for paying building insurance
Some benefits of a double net lease for landlords include:
- Hands-off: Landlords can be more hands-off because tenants are responsible for property upkeep
- Expense management: Landlords have some level of expense management
Some benefits of a double net lease for tenants include:
- Predictable financial obligations: Tenants have a more predictable understanding of their financial obligations
- More control: Tenants have more control over the property and how it looks
Choosing between a NN and NNN lease ultimately depends on your investment goals, risk tolerance, and desired level of involvement in property management. Both structures offer benefits, but NNN leases provide a more passive experience, while NN leases offer slightly more flexibility and shared financial responsibility.
What is an Absolute NNN Lease?
An Absolute NNN Lease places all financial responsibility on the tenant. These leases are typically signed by investment-grade corporations like Walgreens, Dollar General, or Taco Bell, who prefer full control over the property’s maintenance and operational costs to ensure consistency across their locations.
In an Absolute NNN Lease, the tenant pays for property taxes, insurance, CAM, building maintenance, capital expenditures, and all other operating expenses. This leaves the property owner with reduced financial responsibilities, making it one of the most hands-off and risk-averse investment options in commercial real estate.
Compared to a NN lease, a NNN lease places nearly all operational and financial responsibility on the tenant. In this arrangement, the tenant covers property taxes, insurance, maintenance, and even capital expenditures. This leaves the landlord with a hands-off, passive investment, which is one of the major attractions of NNN leases. With little to no financial responsibility, the property owner enjoys a steady income stream with minimal involvement, making NNN leases particularly desirable for investors seeking long-term, low-risk opportunities.
For investors, the appeal of an Absolute NNN Lease lies in its stability and predictability. With no surprise expenses and long-term lease agreements (typically 10-20 years), landlords receive a consistent monthly check, often with periodic rent increases. This structure provides an advertised 5% cap rate but can result in an actual IRR of 7-10% over the life of the lease, making it an attractive option for those looking for a truly passive income stream.
Choosing the Right Lease for Your Investment Goals
When evaluating potential commercial real estate investments, investors need to understand how each lease structure impacts your level of involvement, cash flow, and overall return on investment (ROI).
- Gross Leases require the landlord to take on all expenses, potentially cutting into profits if costs rise unexpectedly.
- Modified Gross Leases offer a more balanced approach. Tenants cover some operational costs, but landlords still remain responsible for significant expenses.
- Absolute NNN Leases provide the most passive experience, with tenants covering all costs, leaving landlords with minimal responsibilities and stable, long-term income.
Ultimately, your choice of lease structure will depend on your investment strategy, risk tolerance, and how involved you want to be in managing the property.
Hear from Our Happy Client!
“Thank you, Westwood Net Lease Advisors, for allowing me to sleep at night. I sold my four-family flat and obtained a great national company, Dollar General, which sends me one check a month. I no longer get calls from tenants. I spend my time playing golf instead of listening to their complaints. You guys are terrific.” – M. Overly, Florida
Need Help Navigating Your Commercial Real Estate Investments?
If you’re unsure where to start or need guidance on your next commercial real estate investment, working with experienced advisors can make the process smoother. Westwood Net Lease Advisors offer expert guidance in Gross, Modified Gross, and NNN lease investments, helping buyers and sellers across the U.S. We provide objective advice and personalized strategies from your initial search through closing, all at no cost to the buyer.
Contact us today for a free, no-obligation consultation to explore your options and find the right lease structure for your investment goals. Call us at 314-997-5227.


