Gross Lease vs Net Lease: Who Pays What (Side-by-Side Comparison)
Quick Answer
Gross lease: tenant pays one rent figure, landlord covers all operating costs. Net lease: tenant pays base rent plus some or all of taxes, insurance, and CAM. The key difference is who absorbs operating cost increases over the lease term. Under gross, the landlord absorbs them. Under net, the tenant absorbs them.
A landlord quoting $24/SF gross and $17/SF NNN on the same space is not offering the same deal at different prices. They are offering fundamentally different risk allocations. Here is exactly who pays what under each structure.
The Core Distinction
Gross lease and net lease structures differ on one axis: who bears operating expense risk.
Under a gross lease, the landlord sets rent to cover all anticipated costs plus a profit margin. If costs rise, the landlord's margin compresses. The tenant's cost is fixed (with scheduled escalations).
Under a net lease, operating expenses pass through to the tenant. Rising insurance premiums, property tax increases, and CAM cost inflation all flow directly to the tenant through annual reconciliation billing.
Side-by-Side: Who Pays What
| Expense Category | Gross Lease | Modified-Gross | Single-Net | Double-Net (NN) | Triple-Net (NNN) |
|---|---|---|---|---|---|
| Base rent | Tenant | Tenant | Tenant | Tenant | Tenant |
| Property taxes | Landlord | Landlord (below stop) | Tenant | Tenant | Tenant |
| Building insurance | Landlord | Landlord (below stop) | Landlord | Tenant | Tenant |
| CAM / maintenance | Landlord | Landlord (below stop) | Landlord | Landlord | Tenant |
| Utilities (common areas) | Landlord | Landlord (below stop) | Landlord | Landlord | Tenant |
| Management fees | Landlord | Landlord (below stop) | Landlord | Landlord | Tenant (usually) |
| Structural repairs | Landlord | Landlord | Landlord | Landlord | Negotiated |
| CAM reconciliation required? | No | Yes | No | Partial | Yes |
Worked Example: The Same Building, Two Structures
Building: 8,000 SF retail space in a suburban shopping center.
Operating expenses (landlord's actual costs):
- Property taxes: $2.80/SF
- Insurance: $1.40/SF
- CAM (maintenance, janitorial, landscaping, management): $4.20/SF
- Total: $8.40/SF
Option A - Gross Lease: Landlord sets rent at $26/SF, targeting a $17.60/SF net position. Tenant pays $17,333/month. In year two, insurance jumps $0.60/SF. Landlord now nets $17/SF. The tenant's check doesn't change.
Option B - NNN Lease: Base rent is $17.60/SF. Tenant pays $11,733/month in base rent plus monthly CAM estimates of ~$5,600/month (8,000 SF × $8.40/SF ÷ 12). Total monthly occupancy cost: ~$17,333, identical in year one. In year two, insurance jumps $0.60/SF. The tenant's CAM billing increases by $400/month. The landlord's net is unchanged.
Same building. Same year-one cost. Very different who absorbs year-two increases.
Modified-Gross: The Middle Ground
Modified-gross leases set a "stop": a threshold below which the landlord pays, above which the tenant pays. The stop is either:
- A base year stop: actual operating expenses in the lease commencement year
- An expense stop: a negotiated per-SF dollar cap
If the expense stop is $8.40/SF and actual costs rise to $10.20/SF, the tenant pays $1.80/SF in operating expense escalations through annual reconciliation. This requires the same bookkeeping as a full NNN reconciliation. See CAM reconciliation for how that process works.
Modified-gross is dominant in office. NNN dominates retail and industrial. See the full commercial lease types guide for context.
The 5-Year Financial Picture
Using the 8,000 SF example above with 3% annual operating expense growth:
| Year | NNN Operating Expenses/SF | NNN All-In Cost | Gross Lease (3% escalations) | Gross Tenant Pays More vs NNN |
|---|---|---|---|---|
| 1 | $8.40 | $26.00 | $26.00 | $0.00 |
| 2 | $8.66 | $26.26 | $26.78 | $0.52 |
| 3 | $8.92 | $26.52 | $27.58 | $1.06 |
| 4 | $9.19 | $26.79 | $28.41 | $1.62 |
| 5 | $9.46 | $27.06 | $29.26 | $2.20 |
The gross lease escalates faster in this model. That is by design. The landlord prices in the inflation risk premium. When NNN expenses grow at the same rate as gross rent escalations, the gross tenant pays a persistent premium for cost certainty. For a full 5-year financial comparison of NNN vs gross, see NNN lease vs gross lease.
When Each Structure Makes Sense
Gross lease makes sense when:
- The tenant values cost certainty over occupancy term
- The space is small (under 5,000 SF) and full expense tracking isn't worth the overhead
- The market is soft and landlords are competing on simplicity
- The lease term is short (1–3 years) and operating cost variability is limited
Net lease (NNN) makes sense when:
- The landlord wants full expense recovery with no absorption risk
- The property is institutional-grade and investors expect full pass-through
- The lease term is long (5–10+ years) where expense inflation is significant
- The tenant is creditworthy and sophisticated enough to manage CAM reconciliation
Modified-gross makes sense when:
- Market norms favor it (office in urban markets)
- The landlord wants some expense recovery without the full NNN reconciliation burden
- Both parties want to share exposure to cost inflation above a defined level
CAM Implications: Gross vs Net
If you are managing a property with mixed lease types (some gross, some NNN), you are running two parallel accounting tracks. NNN tenants require monthly CAM estimates, annual reconciliation, and CAM true-up statements. Gross tenants require none of that.
The complexity multiplies when a gross lease expires and the replacement comes in as NNN. Now the property has historical expense data but no per-tenant allocation history for the NNN tenant's first reconciliation period.
CapVeri tracks lease type alongside expense data so the correct reconciliation methodology applies automatically to each tenant. See the best CAM software 2026 guide for what to look for.
Also relevant: double-net lease explained, single-net lease explained, and the full commercial lease rent structures overview.
Sources
Frequently asked questions
What is the main difference between a gross lease and a net lease?
In a gross lease, the tenant pays one all-inclusive rent amount and the landlord covers all operating expenses: property taxes, building insurance, CAM, utilities, and maintenance. In a net lease, the tenant pays base rent plus some or all operating expenses directly. The distinction matters because it determines who absorbs cost increases over the lease term. Under a gross lease, if insurance premiums jump 40%, the landlord takes the hit. Under a NNN lease, that increase passes directly to the tenant through the annual CAM and expense reconciliation process.
Is a gross lease or net lease better for tenants?
Gross leases are generally better for tenants because they provide cost certainty for the entire lease term. A tenant signing a 5-year gross lease at $26/SF knows exactly what their occupancy cost will be (subject to scheduled rent escalations). Under NNN, the all-in cost can escalate significantly if operating expenses rise. A tenant paying $18/SF base rent plus $7/SF in NNN expenses could see their NNN costs climb to $9–10/SF over 5 years due to insurance increases, tax reassessments, or maintenance cost inflation. Gross base rents are set higher to compensate the landlord for absorbing that risk.
What types of net leases exist in commercial real estate?
There are three primary net lease types: single-net (N), where the tenant pays base rent plus property taxes; double-net (NN), where the tenant pays base rent, taxes, and insurance; and triple-net (NNN), where the tenant pays base rent, taxes, insurance, and all CAM/operating expenses. NNN is by far the most common in modern commercial real estate, particularly retail and industrial. Single-net is rare. Double-net appears in some regional retail and older suburban properties. Each type has its own expense reconciliation requirements and creates different risk profiles for landlord and tenant.
Do gross leases ever require CAM reconciliation?
Standard gross leases do not require CAM reconciliation. Operating expenses are absorbed by the landlord. However, some gross leases include escalation provisions (CPI adjustments, fixed annual bumps) that effectively recover cost increases through base rent. A small subset of gross-like leases include 'operating expense escalation' provisions that function similarly to a base year stop, effectively creating a modified-gross structure despite the 'gross lease' label. Always read the operating expense section of any lease regardless of how it is described, because labeling can be inconsistent across markets and brokers.