Glossary

Property management glossary

Detailed, practical definitions for small landlords — including rent records, leasing, bookkeeping, maintenance, financing, and compliance — with examples and distinctions where they help.

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Popular landlord definitions

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What is a mortgage refinance?

Understand what replacing a mortgage changes, including rate, term, closing costs, payment, and total interest.
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What is rent abatement?

Separate a documented rent reduction from a concession, credit, write-off, or disputed balance.
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What are real estate comparables?

Learn how sales comps and rental comps support different decisions and how to reject stale or misleading evidence.
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What are late fees for rent?

Review the lease formula, payment timing, grace period, and current state and local limits as separate checks.
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What does a month-to-month fee mean?

Distinguish a periodic tenancy from a separately stated monthly premium, notice, or rent change.
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What is the warranty of habitability?

Understand the residential repair doctrine, the records a landlord needs, and why remedies vary by jurisdiction.
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What is market rent?

Build a dated, evidence-based range from genuinely comparable rentals instead of one listing or a generic benchmark.
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What is a rent roll in real estate?

See the unit, lease, rent, balance, and reporting fields that belong in a useful rent-roll snapshot.
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What does DSCR mean?

Learn how net operating income divided by annual debt service shows whether property income covers the loan.
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What does PITI mean in a mortgage payment?

Separate principal, interest, property taxes, and insurance so the full housing payment stays visible.
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What is debt yield?

Compare property NOI with the loan balance without mixing in the interest rate or amortization term.
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What is a dead-letter queue?

Understand where failed integration events go after bounded retries and what evidence is needed before replay.
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Investing metrics

After-repair value (ARV)

ARV means after-repair value: the estimated market value a property may have after planned renovations are complete.
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Amortization

The schedule by which a loan is paid off over time, with each payment split between interest and principal.
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Appreciation

The increase in a property's market value over time — one of the main ways real estate builds wealth alongside rental income.
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Break-even ratio

The share of a property's potential income you must collect just to cover its operating expenses and debt payments, with nothing left over.
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BRRRR method

Buy, Rehab, Rent, Refinance, Repeat — a strategy that recycles the same capital through successive rental purchases.
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CapEx reserve

Money set aside on a schedule to fund large, infrequent capital expenses like roofs, HVAC systems, and water heaters.
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Capitalization rate (cap rate)

Capitalization rate is annual net operating income divided by a stated property price or value, expressed as a percentage.
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Cash flow

The cash left over each period after all income is collected and all expenses — including the mortgage — are paid.
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Cash-on-cash return

The annual pre-tax cash flow a property produces divided by the actual cash you invested in it.
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Debt service

The total loan payments — principal and interest — a property's owner must make over a period, usually stated annually.
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Debt yield

Debt yield is annual net operating income divided by the loan amount or outstanding loan balance, expressed as a percentage.
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Debt-service coverage ratio (DSCR)

Debt-service coverage ratio divides net operating income by the annual debt service required during the same period.
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Economic occupancy

The share of supportable scheduled rental revenue actually realized for a defined period, with the numerator, denominator, and deductions stated.
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Effective gross income (EGI)

Effective gross income is the property income expected after vacancy and collection loss, plus eligible other property income, before operating expenses.
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Equity

The portion of a property you actually own — its market value minus what you still owe on it.
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Equity multiple

The total dollars a property returns to you divided by the total dollars you invested, shown as a multiple like 2.0x over the whole hold.
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Forced appreciation

An increase in a property's value that you create through improvements or higher net operating income, rather than waiting on the market.
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Gross potential rent (GPR)

The maximum rental income a property could produce with every unit occupied at market rent for the full period.
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Gross rent multiplier (GRM)

A sale-price-to-gross-rent screening multiple whose monthly or annual rent convention must be stated.
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House hacking

Living in one unit of a property you own while renting out the others (or spare rooms), so tenant rent offsets your housing cost.
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Internal rate of return (IRR)

The single annualized return that accounts for the size and timing of every cash flow a property produces over your whole holding period.
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Loss to lease

The gap between market rent and the lower rents actually written into current leases, summed across a property.
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LTV (loan-to-value ratio)

The loan amount as a percentage of a property's value — a core measure of leverage and lender risk.
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Net operating income (NOI)

Net operating income is effective property income minus normalized property operating expenses, before debt service and owner-level income taxes.
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Operating expense ratio (OER)

A property's operating expenses as a percentage of the income it brings in, a quick read on how efficiently it runs.
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Price-to-rent ratio

A property's price divided by its annual rent, a quick gauge of whether a market favors buying or renting.
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Pro forma

A forward-looking financial projection of a property's income, expenses, and returns — an estimate, not a record of actual results.
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Rental yield

A property's annual rent as a percentage of its price or value — gross yield uses rent alone, net yield subtracts operating costs.
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Reversionary rent

The market rent a property is expected to produce after its current below-market lease resets, is reviewed, or expires.
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The 1% rule

A rough rule of thumb that a rental's monthly rent should be at least 1% of its total purchase price.
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Vacancy loss

The rent a property fails to collect because units sit empty, expressed in dollars or as a percentage of gross potential rent.
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Vacancy rate

The share of rental units — or potential rent — that sits empty and uncollected over a period.
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Financing

Adjustable-rate mortgage (ARM)

A mortgage whose interest rate is fixed for an initial period and then adjusts periodically based on a market index plus a margin.
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Appraisal

A licensed appraiser's independent estimate of a property's market value, usually ordered by the lender before a loan closes.
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Balloon payment

A balloon payment is a large one-time amount due near the end of a loan because the earlier scheduled payments did not fully pay down the principal.
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Cash to close

The net amount a borrower must provide at mortgage closing after the disclosed loan amount, closing costs, deposits, credits, payoffs, and other transaction adjustments are combined.
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Cash-out refinance

A cash-out refinance replaces a mortgage with a new loan whose proceeds pay transaction obligations and release additional property equity to the borrower or other permitted uses.
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Closing Disclosure

A Closing Disclosure is the standardized form that states final mortgage terms, projected payments, closing costs, and cash to close for a covered transaction.
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Combined loan-to-value (CLTV)

Combined loan-to-value compares the mortgage debt secured by a property—including the first lien and specified subordinate balances—with the applicable property-value denominator.
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Comparables (comps)

Recently sold or rented properties similar to yours, used to estimate what a property is worth or what rent it can command.
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Due diligence period

The contractual window after going under contract when a buyer investigates the property and can typically exit the deal.
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Due-on-sale clause

A real-estate loan provision that may let the lender require secured debt to be paid when the property or an interest is transferred without consent.
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Earnest money

A good-faith deposit a buyer puts down when a purchase contract is signed, held in escrow and credited at closing.
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Escrow analysis

A mortgage servicer’s accounting of projected escrow deposits and disbursements used to set payments and identify a shortage, surplus, or deficiency.
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Hard-money loan

A privately funded, property-secured loan commonly used for time-sensitive or transitional real-estate projects, with terms driven heavily by collateral and the exit plan.
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HELOC (home equity line of credit)

A revolving credit line secured by the equity in a property you already own, that you can draw on, repay, and reuse.
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HELOC draw period

A HELOC draw period is the contractual phase when the borrower may take advances from an open home-equity line, up to available credit and subject to the agreement.
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HELOC repayment period

The phase after a HELOC draw period when new borrowing stops and the outstanding balance must be repaid under the agreement.
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Home equity loan

A home equity loan is closed-end credit secured by home equity that generally advances a lump sum and is repaid under a scheduled term.
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Interest-only loan

A loan on which you pay only the interest for a set period, so the balance does not shrink until principal payments begin.
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Lender credit

An amount a mortgage lender applies toward closing costs, often in exchange for a higher interest rate than the same lender would offer without the credit.
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Loan Estimate

A Loan Estimate is the standardized form that summarizes estimated loan terms, projected payments, closing costs, cash to close, and selected loan features after a mortgage application.
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Loan origination charge

A lender charge associated with making a mortgage loan, disclosed separately from discount points and other settlement costs on covered loan forms.
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Mortgage assumption

A mortgage assumption is a transaction in which a buyer or transferee takes over an existing mortgage obligation, subject to the loan documents and the lender or servicer’s conditions.
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Mortgage payoff statement

A mortgage payoff statement is a dated statement from the creditor or servicer showing the amount required to satisfy the mortgage loan in full through a stated payoff date.
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Mortgage rate lock

A lender agreement that holds a stated mortgage interest rate for a specified period, subject to the agreement’s conditions and unchanged application facts.
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Mortgage refinance

Replacing an existing mortgage with a new loan, usually to lower the rate, change the term, or pull out built-up equity as cash.
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Mortgage servicing transfer

A change in the company responsible for collecting mortgage payments and administering servicing functions, without necessarily changing the loan owner or terms.
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PITI

PITI means the monthly principal, interest, property taxes, and homeowners insurance associated with a mortgage housing-payment estimate.
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Prepayment penalty

A prepayment penalty is a fee that may be charged under some loan terms when the borrower pays all or part of the loan earlier than the contract permits without the fee.
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Private mortgage insurance (PMI)

Insurance a lender requires when your down payment is small, protecting the lender, not you, if you default.
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Rate-and-term refinance

A rate-and-term refinance replaces an existing mortgage mainly to change the interest rate, loan term, or both rather than to extract material equity as cash.
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Refinance break-even point

The point when cumulative refinance savings recover the upfront and financed costs attributable to replacing the loan.
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Seller concessions

Seller concessions are negotiated amounts or items the seller agrees to pay or credit toward specified buyer transaction costs, subject to the contract and financing program.
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Title insurance

A one-time-premium policy that protects against defects in a property's ownership history, like unknown liens or ownership claims.
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Rent

ACH transfer

An electronic bank-to-bank payment moved through the Automated Clearing House network — the rails behind most online rent payments.
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Autopay

An arrangement where a tenant's rent is automatically charged and transferred on a set schedule, without a manual payment each month.
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Chargeback

A forced reversal of a card payment initiated by the cardholder's bank after a dispute, pulling the funds back from the recipient.
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Contract rent

The recurring rent stated in an executed lease for a unit and period, before separately analyzing concessions, unpaid balances, or market comparisons.
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Gross rent

A top-line rent amount before operating expenses, which must be labeled as potential, scheduled, billed, or collected to be meaningful.
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Late fee

A charge added to rent that isn't paid by its due date (or by the end of any grace period).
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Market rent

The rent a unit would command today if offered to a new tenant in the current local market.
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Prepaid rent

Rent a landlord receives before the rental period it is intended to cover, such as the last month collected at move-in.
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Prorated rent

A partial month's rent charged when a tenant moves in or out mid-cycle, so they pay only for the days they actually hold the unit.
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Proration

Splitting a full month's rent to charge only for the days a tenant actually occupies the unit.
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Rent abatement

A reduction or suspension of rent for a period, either negotiated as a concession or arising because part of the premises was unusable.
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Rent concession

A temporary discount or perk a landlord offers to attract or keep a tenant, such as a free month or reduced rent.
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Rent delinquency rate

The share of rent due for a defined group and period that remains unpaid at a stated cutoff date.
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Rent ledger

A running, dated record of every charge and payment on a single tenancy, showing the current balance owed.
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Rent receivables aging

A report that groups unpaid tenant charges by how long each balance has been outstanding, while preserving the unit, charge, payment, and cutoff-date detail behind it.
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Rent roll

A summary of every unit's rent, tenant, lease dates, and payment status across a property or portfolio.
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Rent-to-income ratio

An applicant's rent as a percentage of their gross income — a screening affordability benchmark.
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Leasing

Guarantor (lease guarantor / co-signer)

A person or entity that agrees in writing to answer for specified lease obligations if the tenant does not perform them.
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Joint and several liability

A lease structure under which each co-tenant is individually responsible for the entire rent and all obligations, not just their share.
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Lease addendum

A separate document attached to a lease that adds, clarifies, or modifies specific terms.
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Lease agreement

The written contract between a landlord and tenant that sets the terms of a tenancy in exchange for rent.
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Lease renewal

The process of extending a tenancy for a new term when the current lease is about to end.
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Lease renewal rate

The percentage of eligible expiring leases in a defined cohort that result in signed renewals under a stated counting rule.
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Lease-up

The operating process that moves an available rental from readiness and marketing through an executed lease, collected move-in funds, and documented possession.
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Month-to-month tenancy

A periodic rental arrangement that renews monthly until it is lawfully changed or ended under the lease and applicable law.
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Quiet enjoyment

A lease covenant protecting a tenant lawful possession and use from substantial interference, subject to the governing lease and jurisdiction.
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Rent abatement clause

A lease provision describing when rent is reduced or suspended because specified events limit or prevent use of the premises.
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Security deposit

Money held to secure defined rental obligations, subject to jurisdiction-specific custody, deduction, accounting, and return rules.
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Tenant turnover

The full cycle of one tenant moving out and another moving in — and the costs and vacancy that come with it.
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Accounting & tax

Bank reconciliation

A documented comparison of a rental bank statement with the property books that explains every difference and proves the adjusted balances agree.
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Cash-basis accounting

An accounting method that generally records income when received and expenses when paid, rather than when they are earned or incurred.
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Chart of accounts

The organized list of income, expense, asset, and liability categories a landlord's books are built on.
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Depreciation recapture

Tax rules that can characterize part of the gain on disposed depreciable property by reference to prior depreciation allowed or allowable.
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Duplicate-charge protection

The combined controls that prevent one approved rent, fee, refund, or vendor-payment instruction from producing more than one financial effect.
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Escrow

Money or documents held by a neutral third party until specific conditions of a deal are met.
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General ledger

The complete classified record of a rental business's financial transactions, organized by account and supported by dated source entries.
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Ledger adjustment

A ledger adjustment is a traceable correction or reclassification that changes a rental ledger without erasing the original transaction history.
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Operating expense

The recurring costs of running a rental — like management, insurance, taxes, utilities, and repairs — excluding the mortgage.
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Operating reserve

Liquid property cash deliberately kept available for near-term bills, income interruptions, and ordinary operating surprises.
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Owner statement

A period report that explains a rental property's financial activity, balances, reserves, transfers, and material exceptions to its owner.
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Passive activity loss

A loss from an activity treated as passive under federal tax rules that may be limited in the current year and carried forward.
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Payment allocation

Payment allocation is the evidenced assignment of one receipt across the valid charges, credits, leases, or accounts it is intended and permitted to satisfy.
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Placed-in-service date

The date property is ready and available for its assigned income-producing use, which can differ from its purchase date or first rent payment.
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Profit and loss statement (P&L)

A report of income and expenses for a defined property and period that shows the resulting operating profit or loss under stated accounting rules.
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Property management fee

Compensation an owner agrees to pay a property manager for defined services, calculated and reported according to the management agreement.
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Rent roll reconciliation

Rent roll reconciliation is the documented comparison of the rent roll with leases, unit status, tenant ledgers, and posted recurring charges for the same cutoff.
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Rental accounts receivable

Amounts that have been billed or otherwise recorded as due to the rental operation but have not yet been settled, adjusted, or removed under its accounting policy.
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Rental budget variance

The difference between a rental property's budgeted amount and its reconciled actual result for the same account, property, and period.
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Rental income

Money or value received for the use of rental property, classified by what the payment represents rather than by the label on the bank transaction.
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Rental month-end close

A rental month-end close is the controlled process that fixes a period cutoff, reconciles material records, resolves or discloses exceptions, and preserves an approved reporting position.
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Rental opening balance

A rental opening balance is the supported amount carried into a new ledger, accounting period, entity, or property-management system at a defined cutoff.
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Rental property basis

The tax measurement assigned to a rental property and its components for depreciation and for calculating gain or loss when they are disposed of.
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Repairs vs. improvements

The tax distinction between work generally treated as a current repair expense and work capitalized because it betters, restores, or adapts property.
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Security deposit liability

A refundable tenant deposit recorded as money the landlord may owe back, rather than as earned rent or available owner income.
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Security deposit three-way reconciliation

A security deposit three-way reconciliation compares resident-level deposit detail, the deposit liability control account, and the related bank or restricted-cash evidence.
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Tenant ledger integrity

The condition in which every tenant charge, payment, credit, return, and running balance is complete, traceable, and arithmetically consistent.
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Unapplied cash

Unapplied cash is money that has settled or been received but is not yet assigned to a valid tenant, lease, owner, charge, or other ledger destination.
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AI & autonomy

Agentic software

Software that can take real actions toward a goal, deciding and executing steps on its own, rather than only answering questions or storing data.
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AI action authority

The explicit scope of actions an AI system may prepare, execute, or escalate under a landlord’s current policy and verified context.
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Approval queue

A single prioritized list where an autonomous system shows what it has already handled and the short list of decisions that still need a human to approve or deny.
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Autopilot (autonomous software)

Software that carries a task from start to finish on its own, within the rules and spending limits the owner sets, rather than merely drafting it for a human to run. It is the counterpart to copilot AI: a copilot suggests, an autopilot does, and asks only when an action falls outside its bounds.
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Bounded autonomy

An approach where an AI agent acts on its own only within limits you set, per-task spend and approval thresholds, and asks for a human decision above them.
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Closed-loop execution

Software that owns a task from trigger to completion — detecting the event, deciding the response within preset rules, performing the action, and recording the outcome — rather than handling one step and handing the task back to a human.
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Copilot AI

Software that drafts, suggests, and summarizes to speed up a human who still executes every task — the counterpart to autopilot software, which finishes tasks end-to-end within rules the owner sets.
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Data portability

The practical ability to export property data in documented, usable forms and move it to another system without losing meaning or evidence.
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Data provenance

The trace of where a property-management fact originated, which people or systems transformed it, and which source evidence supports its current value.
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Dead-letter queue

A holding area for integration messages that exhausted normal processing, preserving them for diagnosis and controlled replay instead of silent loss.
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Exception queue

A prioritized working list of cases that cannot safely continue through the normal property-management workflow without review or new evidence.
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Field mapping

A documented rule connecting a source-system field to a destination field, including transformation, identity, timing, validation, and error behavior.
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Idempotency key

A stable identifier attached to a write request so retrying the same intended action does not create a second external effect.
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Integration inventory

A maintained register of connected systems, their purpose, data access, authority, owner, dependencies, and offboarding path.
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Migration reconciliation

The evidence-based comparison that proves material records and control totals survived a property-management system migration.
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Per-action autonomy

A model where the level of automation is set separately for each task — automate it, draft it for your review, or turn it off — instead of one master on/off switch. It is the on-ramp for building trust: turn on the actions you are comfortable with and widen from there.
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Property management system of record

The designated property-management source whose current records are authoritative for each defined class of operational data.
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Provider receipt

A durable record from an external service showing what request it accepted, rejected, or completed under a provider-assigned identifier.
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Retry policy

A documented rule for which failed integration operations may be attempted again, after what delay, how often, and with which duplicate safeguards.
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Soft-commit window

A short, cancellable delay an autonomous system places on an irreversible action, giving a human time to intercept before it goes through.
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Webhook delivery

The provider-to-app handoff of an event notification, including authentication, acknowledgement, processing state, retry history, and recovery.
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Workflow orchestration

The coordination of property-management steps, state, evidence, timing, and authority across people, software, and external providers.
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