Commercial Real Estate Glossary
From cap rates to 1031 exchanges, this glossary covers the essential terms every commercial real estate investor, broker, and analyst needs to know. Click any term for a detailed explanation with formulas and worked examples.
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CAM Charges
Common area maintenance (CAM) charges are fees paid by tenants to cover the cost of maintaining shared spaces in a commercial property, such as parking lots, lobbies, landscaping, and common restrooms. CAM is typically allocated proportionally based on each tenant's share of the total leasable area.
Capitalization
In commercial real estate, capitalization refers to the process of converting a property's income stream into an estimate of value by dividing the net operating income by an appropriate capitalization rate. It is the foundation of the income approach to valuation.
Capitalization Rate
The capitalization rate (cap rate) is the ratio of a property's net operating income to its purchase price, expressed as a percentage. It is the most widely used metric for quickly comparing the relative value of commercial real estate investments.
Cash-on-Cash Return
Cash-on-cash return measures the annual pre-tax cash flow generated by a property relative to the total cash equity invested. Unlike cap rate, it accounts for financing and reflects the actual return experienced by the equity investor.
Class A Property
A Class A property is a top-tier commercial asset characterized by the highest quality construction, prime location, modern amenities, strong tenancy, and professional management. Class A properties command premium rents and trade at the lowest cap rates in their market.
Class B Property
A Class B property is a good-quality commercial asset that is a step below Class A in terms of age, location, amenities, or finish quality. Class B properties offer moderate rents and are frequently targeted for value-add investment strategies.
Class C Property
A Class C property is an older, lower-quality commercial asset typically characterized by deferred maintenance, dated construction, less desirable locations, and below-market rents. Class C properties carry the highest risk but may offer the highest yields.
Core Investment
A core investment is a low-risk commercial real estate strategy that targets stabilized, high-quality properties in prime locations with strong tenants and long-term leases. Core assets are the institutional equivalent of blue-chip stocks.
Core Plus Investment
A core plus investment strategy targets high-quality properties that have minor operational or physical improvement opportunities, offering slightly higher returns than core with moderately higher risk.
Cost Segregation
Cost segregation is an IRS-approved tax strategy that accelerates depreciation deductions by reclassifying components of a commercial building from 39-year (or 27.5-year for residential) property into shorter depreciation categories of 5, 7, or 15 years.
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Debt Service Coverage Ratio
The debt service coverage ratio (DSCR) measures a property's ability to cover its annual debt obligations from its net operating income. Lenders use DSCR as a primary underwriting metric to assess loan risk.
Debt Yield
Debt yield is the ratio of a property's net operating income to the total loan amount, expressed as a percentage. It measures a lender's return on investment in a worst-case scenario and is independent of interest rate or amortization terms.
Due Diligence
Due diligence is the comprehensive investigation and verification process a buyer conducts after a property goes under contract but before closing. It encompasses financial, physical, legal, and environmental review of the asset.
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Gross Lease
A gross lease (also called a full-service lease) is a lease structure in which the landlord pays all or most property operating expenses -- including taxes, insurance, maintenance, and utilities -- and the tenant pays a single, all-inclusive rent amount.
Gross Rent Multiplier
The gross rent multiplier (GRM) is the ratio of a property's purchase price to its gross annual rental income. It provides a quick, rough valuation benchmark that does not account for operating expenses or vacancy.
Ground Lease
A ground lease is a long-term lease in which a tenant leases the land from the landowner and typically constructs and operates a building on it. At lease expiration, ownership of the improvements usually reverts to the landowner.
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Letter of Intent (LOI)
A letter of intent is a non-binding document that outlines the key business terms of a proposed real estate transaction, including price, due diligence period, closing timeline, and major contingencies. It serves as the starting point for purchase agreement negotiation.
Loan-to-Value Ratio
The loan-to-value ratio (LTV) expresses the mortgage loan amount as a percentage of the appraised property value. It is a primary risk metric used by lenders to determine maximum loan proceeds and pricing.
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Market Rent
Market rent is the rental rate a property or space would command on the open market under current conditions, based on comparable leases for similar space in the same submarket. It serves as the benchmark against which in-place rents are evaluated.
Modified Gross Lease
A modified gross lease is a hybrid lease structure that splits operating expense responsibilities between the landlord and tenant, with the specific allocation varying by negotiation. It falls between a full gross lease and a triple net lease.
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Net Effective Rent
Net effective rent is the actual average rent a tenant pays per period after accounting for concessions such as free rent months, tenant improvement allowances, and other landlord incentives. It reveals the true cost of occupancy that face rent alone does not capture.
Net Operating Income
Net operating income (NOI) is a property's total gross income minus all operating expenses, excluding debt service, capital expenditures, depreciation, and income taxes. It is the foundational metric used to determine a commercial property's value.
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Offering Memorandum (OM)
An offering memorandum is a comprehensive marketing document prepared by a broker or seller that presents a commercial property for sale, including property details, financial performance, market analysis, and investment highlights.
Operating Expense Ratio
The operating expense ratio (OER) is the proportion of a property's effective gross income consumed by operating expenses. It indicates how efficiently a property is managed and is used to benchmark expenses against comparable properties.
Opportunistic Investment
Opportunistic investment is the highest-risk, highest-return commercial real estate strategy, targeting distressed assets, ground-up development, complex repositioning, or market dislocations that require significant capital and expertise.
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Price Per Square Foot
Price per square foot (PSF) is the cost of a property divided by its total rentable or usable square footage. It is the standard unit comparison metric for office, retail, and industrial properties.
Price Per Unit
Price per unit is the total acquisition cost of a multifamily property divided by the number of residential units. It is the standard unit comparison metric for apartment buildings and other multi-unit residential investments.
Pro Forma
A pro forma is a forward-looking financial projection for a commercial property, modeling expected revenues, expenses, capital costs, debt service, and returns over a projected hold period. It is the central tool for investment decision-making.
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Tenant Improvement (TI)
Tenant improvements (TIs) are modifications made to a commercial rental space to customize it for a specific tenant's needs. TI costs are typically negotiated as part of the lease and may be funded by the landlord, the tenant, or shared between them.
Triple Net Lease
A triple net lease (NNN) is a lease structure in which the tenant is responsible for paying all three major operating expense categories -- property taxes, insurance, and maintenance -- in addition to base rent. This shifts the majority of operating risk from the landlord to the tenant.
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Vacancy Rate
The vacancy rate is the percentage of all available rental units or leasable square footage in a property or market that is unoccupied at a given point in time. It is a key indicator of market health and directly impacts a property's effective gross income.
Value-Add Investment
A value-add investment is a commercial real estate strategy that targets properties with below-market performance due to physical, operational, or management deficiencies, with the goal of increasing value through active improvements and repositioning.
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