Real Estate Development & Property

Commercial Leasing and CAM Glossary

Commercial lease, CAM, rent, use, buildout, transfer, and remedy terms.

Definitions for commercial leases, retail leases, office and industrial space, CAM and operating expenses, tax and insurance pass-throughs, assignments, SNDAs, use clauses, and tenant improvements.

Choose the term.

Use the search, topic lanes, or A-Z letters to narrow the list. Each term opens inline, so multiple definitions can stay open while reviewing a document or issue.

Glossary loading.

A reduction or elimination of an amount owed, such as taxes, rent, or an assessment.

A lease in which the tenant pays nearly all property expenses, often including structural repairs, in addition to rent.

The amount of space or number of units a market leases or sells during a stated period, compared with available supply.

A credit or guaranty arrangement made to help another party obtain financing or credit.

Charges owed under a lease in addition to base rent, often including taxes, insurance, CAM, utilities, late fees, or other pass-throughs.

Rights to use, develop, lease, or transfer space above land or public facilities.

Otherwise; used in old legal writing to indicate a different rule or result.

Changes to the premises made by or for the tenant, such as walls, plumbing, electrical work, signage, or buildout.

The person who appears from records or possession to own or control the property.

An expert opinion of property value, rent value, or damages as of a stated date.

A clause stating that the tenant accepts the premises in its current condition, location, and legal status, usually with limited or no warranties.

Property, rights, or economic resources owned by a person or entity, including real estate, claims, cash, leases, and contract rights.

A person or entity that receives contract rights, lease rights, or property rights from another.

A transfer of a party’s lease interest or contract rights to another person or entity.

A distressed-property concept used when a borrower conveys property or related rights to a lender or nominee instead of completing foreclosure.

A document transferring the lender's interest in a mortgage from one holder to another.

Steps used to collect rents under an assignment of rents after default.

A separate assignment document used to transfer certificated securities.

The person or entity transferring rights to an assignee.

A lender or landlord charge for approving or documenting a buyer’s or transferee’s assumption of obligations.

A tenant’s agreement to recognize a new landlord, usually a lender or purchaser after foreclosure or transfer.

A tenant’s contractual right to review landlord books supporting CAM, taxes, insurance, or operating expenses.

A prior title file or title policy used as a starting point for a current title search.

The fixed periodic rent due before pass-throughs, percentage rent, utilities, or other additional charges.

A reference year used to measure increases in operating expenses or taxes above an initial baseline.

Cash flow after operating expenses and debt service but before income taxes.

A person or entity entitled to benefit from a trust, escrow, guaranty, or deed of trust arrangement.

An unlawful practice of inducing sales or rentals by exploiting fears about protected-class changes in a neighborhood.

A tenant whose lease or occupancy may receive statutory protection after foreclosure.

The sales threshold above which percentage rent begins.

A licensed person or firm that acts as an intermediary in a real estate sale, lease, loan, or other transaction.

Compensation owed to a broker for procuring a lease, sale, or other transaction.

A landscaped or screened area separating different uses or zoning districts.

Common area maintenance, usually costs to operate, maintain, repair, and manage shared areas of a property.

A cost to acquire, improve, or replace an asset with a useful life beyond the current year.

Cash or cash equivalents subject to a creditor’s lien, including some rents or proceeds.

Damage to property caused by fire, storm, flood, explosion, or similar event.

A document summarizing insurance coverage, limits, and named insured information.

Charges paid in connection with closing a purchase, sale, lease, or loan transaction.

A claim, lien, unreleased mortgage, judgment, error, or other issue that makes title less marketable.

A retail lease clause giving tenant rights if key tenants leave or occupancy drops below a threshold.

An assignment given as security for an obligation rather than an outright transfer.

An assignment of a land-trust beneficial interest as loan collateral.

Foreclosure of nonresidential or income-producing property, often involving receivers, rents, and business collateral.

Compensation paid for brokerage or sale services, often calculated as a percentage of the sale price or lease value.

Shared portions of a property, such as parking lots, sidewalks, lobbies, corridors, loading areas, landscaped areas, and service areas.

Costs related to maintaining, repairing, replacing, managing, and operating common areas.

Shared parts of a property used by more than one owner, tenant, customer, resident, or occupant.

Similar properties used as references when estimating value or market rent.

Something given up or granted in negotiation, such as a seller credit, rent credit, free rent, or repair allowance.

A distressed-property concept used when a borrower conveys property or related rights to a lender or nominee instead of completing foreclosure.

A release of borrower liability conditioned on completing stated deed-in-lieu obligations.

A release of guaranty liability conditioned on the deed-in-lieu agreement and closing documents.

A clause limiting disclosure of lease terms, financial information, or transaction details.

A lease requirement that a tenant continuously operate its business at the premises.

Insurance a tenant must require from contractors performing work in the premises.

A housing project owned by a corporation, where residents usually own shares and receive occupancy rights through a proprietary lease.

An entity authorization approving a real estate sale, mortgage, lease, or other transaction.

A promise in a contract, deed, lease, or recorded instrument.

A rent increase tied to the Consumer Price Index or a similar inflation measure.

A guaranty, letter of credit, insurance, or similar support improving the credit quality of public debt.

Insurance designed to pay a specified debt if the borrower dies while the policy is in force.

The time allowed to fix a default after notice before remedies may be exercised.

A short-term obligation expected to be paid within a relatively short period, often one year.

The deed, agreement, releases, affidavits, assignments, and closing documents used to complete a deed in lieu.

Failure to perform a legal or contractual obligation when due.

Interest charged on overdue amounts after default or late payment.

The contract interest rate applied to overdue amounts or obligations after default.

A clause providing that a mortgage or lien becomes void or must be released when the debt is paid or conditions are satisfied.

The landlord’s act of making the premises available to the tenant, usually vacant and in required condition.

The space leased to the tenant, often called the premises or leased premises.

Money delivered to show commitment, secure performance, or apply to the purchase price or lease obligations.

A stormwater facility that temporarily holds runoff and releases it through an outlet structure.

A defense alleging improper pressure that overcame free will in entering an agreement.

An easement tied to ownership of a particular parcel and usually transferred with that parcel.

The date a contract or lease becomes legally effective, which may differ from the signing date, commencement date, or possession date.

Annual crops produced by a tenant’s labor that may be treated as the tenant’s property in certain possession-ending situations.

Federal, state, and local laws regulating contamination, emissions, storage, disposal, releases, and cleanup obligations.

An assessment appeal argument that similar properties are assessed differently.

A rent clause increasing rent over time by fixed percentage, dollar amount, CPI, or market reset.

An arrangement where a neutral holder receives documents or funds and releases them when conditions are met.

A signed statement confirming facts that the signer may later be prevented from contradicting.

A defense claiming the lender’s conduct caused reliance that makes enforcement unfair.

A legal process to recover possession of property from a tenant or occupant.

The pleading starting an eviction case and stating the basis for possession and any rent claim.

A court judgment awarding possession, rent, costs, or other relief in an eviction case.

Rent or other value received by a tenant from a subtenant or assignee above what tenant owes landlord.

The tenant’s right to possess the premises to the exclusion of others, subject to landlord entry rights.

A lease right preventing the landlord from leasing nearby space to a competing use.

A lease clause restricting the landlord from allowing specified competing uses at the property.

A sanctions-related executive order often referenced in leases to prohibit dealings with blocked persons.

An attachment to a lease, contract, pleading, or recorded instrument.

The date the lease term ends unless extended or earlier terminated.

A tenant’s right to extend the lease term if stated conditions are satisfied.

A lease involving local-government facilities, property, or public building arrangements.

A tenant’s failure to open for business by the required opening date.

Market rent for comparable space under comparable terms at a relevant time.

An appraisal performed for a fee on a specific property or assignment.

Tenant or guarantor financial information requested to evaluate credit or ongoing solvency.

Sprinklers, alarms, monitoring, extinguishers, and related fire/life-safety equipment.

A notice demanding payment of rent or surrender within five days, when applicable.

Operating expenses that do not vary much with occupancy, such as some taxes and insurance.

Another term for base rent or minimum rent, depending on the lease.

Personal property that has become attached to real estate enough to be treated as part of it.

Insurance covering certain flood losses, often required by lenders when property is in a special flood hazard area.

Insurance obtained by landlord when tenant fails to maintain required coverage, with cost charged back to tenant.

A lease tax definition exclusion for taxes based on landlord’s franchise, income, estate, inheritance, or similar status.

A rent abatement period, often used as an economic concession during buildout or early occupancy.

A lease in which rent includes most or all building operating costs, rather than separately passing them through to the tenant.

A clause addressing whether a tenant may stop operating while still retaining possession or paying rent.

A lease with rent that changes at stated times or under stated formulas during the term.

The total horizontal floor area of a building measured under the applicable ordinance, lease, or appraisal standard.

The area used for leasing retail or industrial space, often measured under the lease or industry convention.

A lease where the rent generally includes many property expenses rather than separately passing them through to the tenant.

Receipts and revenue from business tied to the premises, often used for percentage rent or reporting.

Sales revenue used to calculate percentage rent, often including in-store, delivery, catering, online, gift card, and licensee sales tied to the premises.

An adjustment that treats a partially occupied building as if it were more fully occupied for calculating variable operating expenses.

A lease of land, usually for a long term, under which the tenant may own or construct improvements.

Rent paid for use of land under a ground lease.

A person or entity that promises to answer for another party’s debt or obligation if that party does not perform.

The contract by which a guarantor backs a tenant’s obligations.

Insurance covering property damage risks such as fire or casualty.

Remaining in possession after the lease expires or terminates.

The increased rent charged during holdover occupancy, often 150%, 200%, or market rent.

A tenant who remains after the tenancy has ended.

Language by which a grantor releases homestead rights as part of a conveyance.

Heating, ventilation, and air conditioning systems serving premises or common areas.

Money or credit provided by landlord toward tenant improvements or buildout.

Property held or operated to produce rent or other income.

A planned development designed for manufacturing, warehouse, distribution, or other industrial uses.

Property used for manufacturing, warehousing, processing, distribution, utility, or similar industrial activity.

The amount paid before insurance coverage responds.

A tenant obligation to reimburse its share of landlord’s property insurance premiums.

A disruption of utilities, HVAC, access, elevators, or other services.

Forum non conveniens involving courts in different states or jurisdictions.

A claimed lien or security interest in tenant property to secure rent or lease obligations.

Work the landlord agrees to perform before or after delivery of possession.

Insurance carried by landlord for the building or property, often reimbursed by tenants under NNN leases.

The landlord’s accounting of amounts charged and paid under a tenancy.

A fee charged when rent or another amount is not timely paid.

An officer-worn recording device used under rules governing law-enforcement recordings.

Illinois statute governing officer-worn body cameras.

An agreement to terminate or surrender an existing lease, often in exchange for payment or other consideration.

The date the lease term begins, which may differ from signing, possession, or rent commencement.

A guaranty securing tenant’s lease obligations.

A short recorded document giving notice of a lease without recording the full lease.

A decision not to extend or renew a lease at the end of its term.

A notice ending a lease or tenancy according to law or the contract.

A defined 12-month period during the lease term, sometimes adjusted if commencement occurs mid-month.

An arrangement combining a lease with a right or obligation to purchase the property under stated terms.

The tenant’s right to possess and use premises under a lease.

Improvements made to leased space for tenant’s use, such as buildout, partitions, plumbing, finishes, and fixtures.

A bank-issued payment obligation that can secure tenant duties in place of or in addition to a cash security deposit.

Insurance covering certain claims for injury, property damage, or other liability.

Permission to use property without creating a leasehold estate.

A person permitted to occupy or use property under a license rather than a lease.

The note, mortgage, guaranty, assignments, security agreements, loan agreement, and related documents evidencing or securing a loan.

Illinois statute addressing leases of local-government facilities.

A party’s duty to maintain, repair, service, or replace certain property components.

A fee included in operating expenses to compensate property management.

A serious default that justifies major remedies under the lease.

A significant breach of lease duties that may support termination or remedies.

A corporate transaction that may be treated as an assignment unless carved out as a permitted transfer.

A sales threshold used in percentage rent calculations, similar to or serving as a breakpoint.

Required operating hours for a retail tenant.

The fixed rent payable regardless of sales, often another name for base or fixed rent.

The absence of a recorded release for a lien, mortgage, or other encumbrance expected to be terminated.

A change to an existing contract, loan, lease, or other legal document.

A lease combining fixed rent with some separately stated expense responsibilities.

A judgment for rent, costs, fees, or damages in an eviction case.

A freestanding sign serving a building, center, or tenant.

A court-appointed person who manages property, collects rents, and preserves collateral during foreclosure.

A broker database used to share information about properties offered for sale or lease.

A release where both sides give up claims against each other.

A convenience-oriented shopping center, often anchored by a supermarket or daily-needs tenant.

A lease in which the tenant pays base rent plus some or all property expenses.

Office leasing area generally including tenant space and allocated common areas, excluding major vertical penetrations.

The area actually usable by a tenant, before adding a share of common areas or load factor.

A double-net lease in which the tenant typically pays base rent plus taxes and insurance, with exact obligations controlled by the lease.

A lease where the tenant pays base rent plus taxes, insurance, and maintenance or operating expenses.

A clause requiring tenant to pay rent without withholding or deduction, even if tenant claims landlord breached.

A clause limiting recovery to a stated asset or party and excluding personal liability beyond that limit.

A structure that was lawful when built but no longer complies with current zoning bulk, setback, or dimensional rules.

A lender’s promise that tenant’s possession will not be disturbed after foreclosure if tenant is not in default.

Failure to pay rent when due.

The address and method designated for formal notices under a lease or contract.

A formal notice stating that a party is in default and identifying consequences or cure rights.

A notice identifying a default and giving the defaulting party time to fix it.

A notice informing tenants about a commercial foreclosure and related receiver or rent directions.

The tenant’s total cost to occupy space, including base rent, pass-throughs, utilities, insurance, taxes, maintenance, and other charges.

A person physically using or living in premises, whether or not named on a lease.

A catch-all clause in a will, trust, deed, lease, or contract that sweeps in additional property or rights.

A scheduled period when a property is available for prospective buyers or tenants to inspect.

A tenant promise to open for business by a required date and remain open after opening.

A tenant promise to continuously operate its business at the premises.

Costs incurred to operate, manage, maintain, insure, and service property, as defined by the governing document.

A contractual right to continue the lease for another term if exercised properly.

The court order authorizing the landlord to recover possession, usually enforced by the sheriff.

Apparent or seeming, especially authority that appears to exist based on conduct or circumstances.

The last date by which a retail tenant must open for business.

A planned industrial development with multiple industrial establishments and on-site parking.

A planned development with multiple office buildings and shared planning or parking features.

A tenant’s right to use specified or unreserved parking spaces.

A clause allowing part of the collateral to be released after stated conditions are met.

Occupants, tenants, licensees, or others physically using or occupying the property.

A landlord cost shifted to tenant as additional rent or separate charge.

A rule or agreement allowing a tenant to avoid eviction by paying required amounts before enforcement.

By itself; inherently or without needing additional proof of a particular point.

Retail rent calculated as a percentage of sales, often after a breakpoint or minimum sales threshold.

Allowed periods when a tenant may close despite an operating covenant.

An assignment, sublease, merger, affiliate transfer, or sale transaction allowed without ordinary landlord consent if conditions are met.

The use the tenant may make of the premises.

A guaranty signed by an individual rather than a company.

The date landlord gives tenant possession, often before rent commencement.

The income a property could produce before vacancy, collection loss, and normal operating expenses.

The land, building, unit, or space described in a lease, deed, contract, or other document.

A representation that tenant and controlling persons are not sanctioned, blocked, or prohibited from doing business.

A use the tenant may not conduct, often due to exclusives, zoning, insurance, nuisance, or landlord policy.

A claim based on reasonable reliance on a promise even without a full contract.

The tenant’s percentage share of expenses, taxes, insurance, or other pass-throughs, often based on rentable square footage.

Rules limiting immediate displacement of certain tenants after foreclosure.

A public body that may finance, construct, own, or lease buildings for governmental use.

A tall freestanding sign, often used in shopping centers or along roads.

A landlord covenant that tenant may possess and use the premises without wrongful interference by landlord or those claiming through landlord.

A release of whatever interest a person may have, without warranties of title.

A clause limiting tenant from opening a competing location within a defined area.

A licensed person or firm engaged to help sell, buy, lease, or manage real estate transactions.

Taxes and assessments imposed on land and improvements, often passed through to tenants in commercial leases.

A landlord right to take back space when tenant requests consent to assign or sublet.

A statement comparing estimated pass-through payments to actual taxes, expenses, or insurance.

A transfer or release returning title or security interest after a deed of trust or similar obligation is satisfied.

The sequence of recorded instruments connecting the current owner back through prior owners.

A written waiver or discharge of claims, liens, obligations, or parties.

A deed or instrument releasing a claim or interest in real property.

A recorded document releasing notice of pending litigation affecting title.

A clause allowing landlord to move tenant to a different space under stated conditions.

Legal or contractual responses to default, such as termination, possession, damages, acceleration, fees, injunction, or self-help.

A right to renew or extend the lease after the initial term.

A temporary reduction or suspension of rent.

A defense or claim seeking reduction of rent based on conditions or legal violations.

A claim for unpaid rent included with or related to an eviction case.

The date rent obligations begin, which may be after possession or commencement.

A state-law limitation on local governments adopting rent control, unless authorized by state law.

Illinois statute preempting local rent control unless state law permits it.

A record showing rent charges, payments, credits, late fees, and balances.

A schedule of tenants, lease terms, rent, deposits, expirations, and related leasing information for a property.

The area used to calculate rent and share of building costs, sometimes including a load factor for common areas.

Rental income generated by mortgaged property while foreclosure is pending.

Maintenance language distinguishing ordinary repairs from replacement of major systems or components.

A new tenant taking space after an existing tenant leaves or is terminated.

A landlord, lender, or buyer request that tenant certify lease facts.

A deadline by which tenant must open to the public.

A defined term for laws, ordinances, rules, regulations, codes, recorded covenants, insurance requirements, and similar obligations.

A tenant duty to restore premises after alterations, casualty, surrender, or damage caused by tenant.

An exhibit listing exclusives, prohibited uses, and use restrictions in a retail property.

A defense claiming the eviction was brought because the tenant exercised protected rights.

Landlord’s right to enter premises for inspection, repair, showing, emergencies, or compliance checks.

A right to match a third-party offer before property or lease rights are transferred to someone else.

Operational rules for a building or project, often attached as a lease exhibit.

A transaction where an owner sells property and leases it back from the buyer.

Money or other security held by landlord to secure tenant obligations.

A claim about improper withholding, accounting, or handling of a tenant’s security deposit.

A clause stating landlord does not provide security or guarantee safety despite locks, cameras, or patrols.

A contractual right for one party to perform another party’s obligation after failure and charge the cost back.

A planned or managed commercial development with multiple stores and related parking or common areas.

Local rules governing rental of dwellings or rooms for short stays.

Rules controlling tenant signage size, location, design, materials, permits, lighting, and maintenance.

Tenant’s right to install and maintain signs on storefront, monument, pylon, directory, window, or building exterior.

Subordination, nondisturbance, and attornment agreement among lender, landlord, and tenant.

A spouse signing a deed or mortgage to release homestead, marital, or other statutory rights.

A rule requiring certain agreements, including many real estate contracts and leases, to be in writing and signed.

The property being appraised, analyzed, financed, sold, leased, or litigated.

A lease from an existing tenant to a subtenant for all or part of the tenant’s leasehold interest.

Lower in priority or made subject to another right, lien, lease, or interest.

A tenant’s agreement that its lease is junior to a mortgage, ground lease, or other superior interest.

An insurer’s right to pursue a responsible party after paying a loss.

A tax replacing or supplementing real estate taxes, sometimes included in lease tax definitions.

Returning possession of premises at lease end or early termination in required condition.

Tenant’s giving up possession and landlord’s acceptance of the premises.

The group of buyers, tenants, residents, or users a property or project is intended to attract.

Allocation of real estate taxes between buyer and seller, or landlord and tenant, for a period of ownership or occupancy.

A notice terminating tenancy for certain lease violations after the stated period.

Possession after a lease ends without the landlord’s consent to a new tenancy.

A tenancy that may be terminated by either landlord or tenant, usually without a fixed term.

A defense raised by a tenant against possession, rent, damages, or enforcement.

Tenant’s certification of facts about the lease for a buyer, lender, or landlord.

A landlord contribution toward tenant buildout or improvements.

Improvements made to leased space for a tenant’s use.

A disagreement over the amount due based on payments, credits, charges, or accounting.

Notice to tenants about a foreclosure case, receiver, sale, or post-sale possession issue.

Construction, alterations, or improvements performed by tenant or tenant’s contractors.

The tenant’s share of taxes, expenses, or insurance based on the lease formula.

An offer to pay rent owed.

A defined period of time, such as a lease term, loan term, or contract term.

A payment required to exercise an early termination right or remedy.

A contractual right to end a lease early under stated conditions.

A release of one or more persons alleged to have caused injury or damage.

Tenant-owned equipment or fixtures installed for business operations that tenant may remove if done properly.

The business name under which tenant must operate in the premises.

A lease in which the tenant pays rent plus taxes, insurance, maintenance, and other property expenses as defined by the lease.

The remaining unpaid portion of landlord concessions or costs spread over the term.

A person occupying premises without the lease or landlord’s consent.

A pet kept in violation of lease, rule, or building policy.

A mortgage that appears of record but has not been released or satisfied.

A condition where premises cannot reasonably be used for the intended lease purpose.

The area actually usable by a tenant, excluding some common areas included in rentable square feet.

The actual use and possession of premises by tenant or occupant.

A local approval confirming permitted use and occupancy of property or space.

The clause defining what tenant may and may not do in the premises.

Charges for electricity, gas, water, sewer, trash, data, or other services.

Loss or disruption of power, water, gas, sewer, HVAC, internet, or similar service.

Vacant space divided by total rentable or available space, expressed as a percentage.

Delivery of premises free of occupants and interfering personal property.

A clause limiting claims one party may bring against the other for certain losses.

A promise that the parties and their insurers will not seek recovery from each other for insured losses.

A recorded deed outside the apparent chain of title, often because a connecting deed is missing.

An exhibit describing landlord work, tenant work, allowance, plans, deadlines, approvals, and construction responsibilities.

A contract or lease condition allowing a party to proceed only if zoning approval is obtained.

A report summarizing zoning classification, permitted use, parking, setbacks, nonconformities, and sometimes rebuild rights.