Commercial Lease Types Explained

From NNN to Full Service Gross to Ground Leases — understand every commercial lease structure, who pays what, and the critical fields and red flags to watch before you sign or acquire.

Triple Net Lease (NNN)

NNN

Triple net (NNN) leases: tenant pays base rent, property taxes, insurance, and maintenance. Learn NNN expenses, red flags, and the 126 fields to abstract.

RetailFast Food / QSRPharmacy

Typical term: 10–25 years

Modified Gross Lease

MG

Modified gross leases split operating expenses between tenant and landlord. Learn expense allocation, base year provisions, and red flags to watch.

OfficeFlex SpaceMedical Office

Typical term: 3–7 years

Full Service Gross Lease

FSG

FSG leases include all operating expenses in one rent payment. Learn base year stops, gross-up provisions, and key red flags for office tenants.

Class A OfficeClass B OfficeMedical Office

Typical term: 5–10 years

Ground Lease

GL

Ground leases: tenant leases land, builds improvements, and loses them at expiration. Learn 50-99 year terms, leasehold financing, and red flags.

Retail PadsHotelsOffice Buildings

Typical term: 50–99 years

Percentage Lease

PCT

Percentage leases combine base rent and a cut of gross sales. Learn breakpoints, natural vs artificial, gross sales definitions, and red flags.

Regional MallsOutlet CentersStrip Centers

Typical term: 5–15 years

Net Lease

N

Single net leases: tenant pays base rent plus property taxes. Learn the difference from NNN and NN, expense allocation, and critical fields.

Older Retail PropertiesIndustrialGovernment-Leased Properties

Typical term: 3–10 years

Double Net Lease

NN

Double net leases: tenant pays rent, taxes, and insurance. Landlord keeps structural maintenance. Learn NN vs NNN differences and red flags.

RetailIndustrialMulti-Tenant Strip Centers

Typical term: 5–15 years

Absolute Net Lease

AN

Absolute net leases transfer all expenses to the tenant — zero landlord obligations. Learn bondable net leases, investment-grade tenants, and risks.

Investment-Grade RetailPharmacy (Walgreens, CVS)Fast Food (Corporate)

Typical term: 20–25 years

Gross Lease

GRS

Gross leases: tenant pays one fixed rent, landlord covers all expenses. Learn differences from full service gross, NNN, and key lease terms.

Older Office BuildingsSmall Commercial SpacesIndustrial (older stock)

Typical term: 1–5 years

Industrial Gross Lease

IG

Industrial gross leases: tenant pays rent and utilities, landlord covers structure and taxes. Learn warehouse lease terms and expense allocations.

Warehouse / DistributionLight ManufacturingFlex Industrial

Typical term: 3–10 years

Build-to-Suit Lease

BTS

Build-to-suit leases: developer builds to tenant spec, tenant commits for 15-25 years. Learn BTS structure, NNN operation, and critical abstractions.

Corporate HeadquartersDistribution / Fulfillment CentersManufacturing

Typical term: 15–25 years

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