Essential Commercial Real Estate Leasing Terminology

Commercial real estate leasing involves specialized terminology that paralegals must understand to effectively assist attorneys in negotiating, drafting, and reviewing lease agreements. Unlike residential leases, commercial leases are highly negotiable and contain provisions that allocate costs, responsibilities, and risks between landlord and tenant in complex ways. This guide covers the most important commercial leasing terms for both the CP exam and professional practice.

What Are the Different Types of Commercial Leases?

Commercial leases are generally categorized by how operating expenses are allocated between landlord and tenant:

Gross Lease (Full Service Lease): The tenant pays a single, fixed rent amount, and the landlord is responsible for paying all operating expenses, including property taxes, insurance, and maintenance. The landlord builds these costs into the rent amount. Gross leases are common in multi-tenant office buildings.
Net Lease: The tenant pays base rent plus some or all of the property's operating expenses. There are three subcategories:
- Single Net Lease (N): Tenant pays base rent plus property taxes.
- Double Net Lease (NN): Tenant pays base rent plus property taxes and insurance.
- Triple Net Lease (NNN): Tenant pays base rent plus property taxes, insurance, and maintenance costs. NNN leases are common in retail and industrial properties.
Modified Gross Lease: A hybrid that falls between a gross lease and a net lease. The landlord and tenant negotiate which expenses the tenant will pay in addition to base rent.
Percentage Lease: Common in retail, the tenant pays base rent plus a percentage of gross sales above a specified threshold (the breakpoint). This aligns the landlord's returns with the tenant's business success.

What Are CAM Charges?

Common Area Maintenance (CAM) charges are fees that tenants pay to cover the costs of maintaining shared spaces in a commercial property. These shared spaces include parking lots, lobbies, hallways, elevators, restrooms, landscaping, and exterior lighting. CAM charges may also include management fees, security costs, and snow removal expenses.

CAM charges are typically calculated on a pro rata basis, meaning each tenant pays a proportion of the total CAM costs based on the ratio of their leased space to the total leasable area of the property. For example, a tenant leasing 5,000 square feet in a 50,000 square foot building would pay 10% of the total CAM costs.

Key CAM-related terms include:

CAM Cap: A maximum limit on annual CAM charge increases, protecting the tenant from unexpected cost escalations.
CAM Reconciliation: An annual accounting process where actual CAM costs are compared to estimated charges paid by the tenant, with any difference being billed or credited.
Controllable vs. Uncontrollable Expenses: Some leases distinguish between expenses the landlord can control (maintenance, management) and those it cannot (property taxes, insurance), applying caps only to controllable expenses.

What Are Tenant Improvements and the TI Allowance?

Tenant improvements (TIs) are modifications made to a leased space to meet the tenant's specific needs. These can range from simple cosmetic changes (painting, carpeting) to major construction projects (building walls, installing specialized equipment). The Tenant Improvement Allowance (TI Allowance) is a dollar amount per square foot that the landlord contributes toward the cost of these improvements.

Related terms include:

Build-Out: The construction process of customizing the space for the tenant's use.
Vanilla Shell (Warm Shell): A space delivered with basic improvements completed (HVAC, plumbing, electrical) but unfinished interiors.
Cold Dark Shell: A completely unfinished space with only the structural shell and possibly basic utility connections.
Turnkey: The landlord completes all improvements to the tenant's specifications before the tenant moves in.

What Other Key Terms Should Paralegals Know?

Additional essential commercial leasing terms include:

Base Year: The year used as a benchmark for operating expenses. The tenant pays only increases above the base year amounts.
Escalation Clause: A provision that allows rent to increase at specified intervals, either by a fixed percentage, based on a consumer price index (CPI), or tied to changes in operating expenses.
Right of First Refusal: The tenant's right to match any third-party offer to lease adjacent or additional space before the landlord can lease it to the third party.
Exclusivity Clause: A provision prohibiting the landlord from leasing space in the same property to a competing business.
Go-Dark Clause: Permission for a tenant (typically a large retailer) to close its business while continuing to pay rent, relevant in anchor tenant situations.
Subordination, Non-Disturbance, and Attornment (SNDA) Agreement: A three-part agreement where the tenant subordinates its lease to the landlord's mortgage, the lender agrees not to disturb the tenant's possession if it forecloses, and the tenant agrees to recognize the new owner as landlord.
Usable vs. Rentable Square Footage: Usable square footage is the actual space the tenant occupies. Rentable square footage includes the tenant's proportionate share of common areas (the load factor). Tenants pay rent on rentable square footage.

Commercial Leasing on the CP Exam

The CP exam may test your understanding of different lease types, expense allocation methods, and key lease provisions. Focus on understanding the distinctions between lease types and the purpose of common lease clauses. Review these terms regularly using our flashcard system.

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Commercial Real Estate Leasing Terminology Every Paralegal Should Know