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. The tradeoff is that 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's described, because labeling can be inconsistent across markets and brokers.

Gross Lease vs Net Lease: Who Pays What (Side-by-Side Comparison)

By Angel Campa·Founder, CapVeriUpdated April 24, 2026

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—landlord under gross, tenant under net.

A landlord quoting $24/SF gross and $17/SF NNN on the same space isn't offering the same deal at different prices. They're offering fundamentally different risk allocations. Here's 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—which 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're managing a property with mixed lease types—some gross, some NNN—you're 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.

Tools like CapVeri track 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.