Real Estate Investing Glossary: Real Estate Terms in Plain English
By the FlipProperties Editorial Team Last updated October 19, 2026
A plain-English glossary of the 162 real estate terms investors use most, from absentee owner to zombie property. Each term has a short definition and, where we have one, a link to the full FlipProperties guide. Search, filter by topic, or start with the Starter terms if you're new.
Showing 162 of 162 terms
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1% Rule
Rentals & ReturnsA quick rental screen: monthly rent should be at least 1% of the purchase price. It's a filter, not a full analysis.
1031 Exchange
Rentals & ReturnsA U.S. tax rule (Internal Revenue Code Section 1031) that lets investors defer capital gains tax by selling one investment property and buying another. You have 45 days to identify the replacement and 180 days to close.
50% Rule
Rentals & ReturnsA rule of thumb that operating expenses, not counting the mortgage, will take about half of a rental's gross rent over time.
70% Rule
Deal AnalysisStarterA flipping rule of thumb: pay no more than 70% of ARV minus repair costs. The 30% cushion covers holding costs, selling costs and profit.
A
Absentee Owner
Finding DealsStarterAn owner who doesn't live in the property. You spot one in county records when the owner's mailing address is different from the property address. Many are landlords, heirs or owners who moved and kept the house.
Adjustable-Rate Mortgage (ARM)
FinancingA loan whose interest rate is fixed for an initial period, then adjusts on a schedule based on a market index.
After Repair Value (ARV)
Deal AnalysisStarterWhat a property should sell for once it's fully renovated, estimated from recently sold, renovated homes nearby. ARV drives your offer, your loan and your profit.
All-Inclusive Trust Deed (AITD)
Deal StructuresThe name for a wraparound loan in states that use deeds of trust. The new note includes, or wraps around, the balance of the existing loan.
Amortization
FinancingPaying off a loan in scheduled payments, where early payments go mostly to interest and later payments mostly to principal.
Appraisal
Deal AnalysisA licensed appraiser's professional opinion of a property's value, usually ordered by the lender before it approves a loan.
Appreciation
Rentals & ReturnsAn increase in a property's value over time, from market growth or from improvements.
Arm's-Length Transaction
Deal AnalysisA sale between unrelated parties, each acting in their own interest. Appraisers and lenders rely on arm's-length sales as true market comps.
Arrears
FinancingPast-due loan payments, plus any late fees. Paying the arrears to bring a loan current is called reinstatement.
As-Is Sale
Legal & ClosingA sale where the seller won't make repairs. Depending on state law, the seller generally still has to disclose known major defects.
Assessed Value
Deal AnalysisThe value the county assigns a property for tax purposes. It often differs from market value, sometimes by a lot.
Assessor's Parcel Number (APN)
Legal & ClosingThe unique ID the county assigns to each parcel of land. It's the most reliable way to look up a property in county records.
Assignment Fee
Deal StructuresWhat the end buyer pays a wholesaler to take over the purchase contract.
Assignment of Contract
Deal StructuresTransferring your rights as the buyer in a purchase contract to another buyer, who then closes on the property. The contract has to allow assignment.
Assumable Mortgage
Finding DealsA loan a qualified buyer can take over from the seller, keeping its interest rate and remaining balance. FHA, VA and USDA loans are generally assumable with lender approval; most conventional loans aren't.
Automated Valuation Model (AVM)
Deal AnalysisSoftware that estimates a property's value from sales data and property records. It's fast and good for screening, but it can't see condition, so check it against your own comps.
Automatic Stay
Legal & ClosingThe court order that takes effect when someone files for bankruptcy, temporarily stopping most collection actions, including foreclosure.
B
Balloon Payment
FinancingA large lump-sum payment due at the end of a loan, after smaller regular payments. Common in seller-financed and short-term loans.
Bankruptcy Property
Finding DealsA property whose owner has filed for bankruptcy. A sale usually needs approval from the bankruptcy trustee or the court.
Bird Dog
OutreachSomeone who finds potential deals and passes the leads to an investor for a finder's fee. Some states restrict paying unlicensed people for real estate leads, so check local rules.
BRRRR
Rentals & ReturnsBuy, Rehab, Rent, Refinance, Repeat. You buy below value, renovate, rent the property out, then do a cash-out refinance to pull money back for the next deal.
Buy and Hold
Deal StructuresBuying a property to rent out and keep for the long term, earning cash flow and appreciation.
Buyers List
OutreachA wholesaler's list of active investors and what each one buys, used to sell or assign deals quickly.
C
Cap Rate
Rentals & ReturnsNet operating income divided by the property's price or value. A property with $12,000 of NOI bought for $150,000 has an 8% cap rate.
Cash Buyer
OutreachStarterA buyer who purchases without a mortgage. Investors find them in public records as purchases recorded with no matching loan.
Cash Flow
Rentals & ReturnsStarterWhat's left from rent each month after all expenses and the loan payment. Positive cash flow means the property pays you; negative means you pay it.
Cash-on-Cash Return
Rentals & ReturnsA year's pre-tax cash flow divided by the cash you actually put in, including the down payment and rehab. It measures the return on your own money.
Cash-Out Refinance
FinancingReplacing a loan with a bigger one and taking the difference in cash. It's the "refinance" step in the BRRRR strategy.
Closing
Legal & ClosingStarterThe final step of a sale: documents are signed, money changes hands and the deed is recorded.
Closing Costs
Deal AnalysisFees paid to complete a sale, such as title, escrow, lender, recording and agent fees. The contract and local custom decide who pays which ones.
Cloud on Title
Legal & ClosingAny claim or defect, such as an unreleased lien or a missing heir, that makes ownership uncertain. It has to be cleared before a clean sale.
Code Violation
Finding DealsA citation from the city or county for a property problem, such as unsafe conditions, an overgrown yard or unpermitted work. Repeated violations can signal an owner who's overwhelmed.
Combined Loan-to-Value (CLTV)
Deal AnalysisLoan-to-value that counts every loan on the property, such as a first mortgage plus a home equity line of credit.
Comparables (Comps)
Deal AnalysisStarterRecently sold properties near the subject property that match it in size, age, beds, baths and condition. They're the basis of any value estimate.
Comparative Market Analysis (CMA)
Deal AnalysisA real estate agent's estimate of a property's value based on comparable sales. It's an opinion of value, not a licensed appraisal.
Contingency
Legal & ClosingA condition in a contract that must be met for the sale to go through, such as an inspection, appraisal or financing.
Contract for Deed (Land Contract)
Deal StructuresA seller-financing setup where the buyer makes payments to the seller, but the seller keeps legal title until the contract is paid off. Rules and buyer protections vary a lot by state.
Conventional Loan
FinancingA mortgage that isn't insured or guaranteed by a government agency. Most follow Fannie Mae or Freddie Mac guidelines.
Conversion Rate
OutreachThe share of leads that move to the next step, such as from mailed to called back, or from offer to signed contract.
Corporate-Owned Property
Finding DealsA property titled to an LLC, corporation or other business instead of a person. Reaching the decision-maker usually means looking up the company's registered agent or officers in state business records.
CRM
OutreachCustomer relationship management software that tracks every lead, conversation, follow-up and deal stage in one place.
D
Days on Market (DOM)
Deal AnalysisHow long a listing has been for sale. A high number can point to an overpriced property or a seller who may be more flexible.
Debt Service Coverage Ratio (DSCR)
Rentals & ReturnsNet operating income divided by the year's loan payments. Lenders that make DSCR loans qualify the property's income instead of the borrower's personal income.
Deed
Legal & ClosingThe signed legal document that transfers ownership of real estate from one party to another.
Deed of Trust
Legal & ClosingA security document used in many states instead of a mortgage. A neutral trustee holds the power to sell the property if the borrower defaults.
Deficiency Judgment
Legal & ClosingA court judgment for the amount still owed when a foreclosure sale brings in less than the loan balance. Some states limit or bar them.
Depreciation
Rentals & ReturnsThis term has two meanings: a drop in a property's value, or the tax deduction that lets rental owners write off the building's cost over time.
Direct Mail
OutreachLetters or postcards sent to owners on a lead list. Mail reaches owners with no phone number on file and doesn't fall under the calling rules.
Distressed Property
Finding DealsStarterA property under financial or physical strain: behind on payments or taxes, in foreclosure, or in poor condition. Distressed properties often sell below market value.
Divorce Property
Finding DealsA property owned by a couple going through a divorce. A court order or settlement may require it to be sold or divided.
DNC Scrubbing
OutreachChecking a call list against federal and state Do Not Call lists and removing the matches before anyone dials.
Double Close
Deal StructuresTwo back-to-back closings: the investor buys from the seller, then immediately sells to the end buyer. Used when a contract can't be assigned or the fee is large.
Down Payment
FinancingThe cash a buyer puts toward the purchase price upfront. The rest is financed.
Driving for Dollars
OutreachStarterDriving or walking neighborhoods to spot vacant or run-down properties, then looking up the owners in public records.
Due-on-Sale Clause
FinancingA loan term that lets the lender demand full repayment if the property is sold or transferred. It's the main risk in subject-to deals.
E
Earnest Money
Legal & ClosingStarterA deposit the buyer makes after signing a purchase contract to show good faith. The contract decides who keeps it if the deal falls through.
Easement
Legal & ClosingA legal right for someone else to use part of a property for a specific purpose, such as a utility line or a shared driveway.
Encroachment
Legal & ClosingWhen a building, fence or other improvement crosses onto a neighbor's property. It can cloud the title and complicate a sale.
Entry Fee
Deal StructuresIn creative finance, the total cash needed to take over a deal: past-due payments, cash to the seller, closing costs and any repairs.
Equity
Deal AnalysisStarterA property's value minus everything owed against it. If a house is worth $300,000 and the owner owes $180,000, the equity is $120,000.
Escrow
Legal & ClosingAn arrangement where a neutral third party holds money and documents until every condition of the sale is met, then releases them at closing.
Estimated Equity
Deal AnalysisEquity calculated by a data platform from an estimated value and the recorded loans. It can miss unrecorded refinances, credit-line draws and liens, so confirm it before you rely on it.
Expired Listing
Finding DealsA property whose listing agreement ended without a sale. The owner wanted to sell and couldn't, which can make them open to other options.
F
FHA Loan
FinancingA mortgage insured by the Federal Housing Administration, with lower down payment and credit requirements. It's meant for owner-occupants, not pure investment properties.
Filter Stacking
OutreachApplying several search filters at once in a single property search, for example vacant, out-of-state owner and 50% or more equity.
Fix and Flip
Deal StructuresStarterBuying a property below value, renovating it and reselling it for a profit.
Fixed-Rate Mortgage
FinancingA loan with the same interest rate for its whole term, so the principal and interest payment never changes.
For Sale by Owner (FSBO)
Finding DealsA property the owner is selling without a listing agent. FSBO sellers handle pricing, showings and negotiation themselves.
Foreclosure Auction
Finding DealsThe public sale where a property in foreclosure goes to the highest bidder, run by a trustee or sheriff. Buyers usually need cash or certified funds and often can't see inside first.
Free and Clear
Finding DealsA property with no open mortgage recorded against it. Strictly speaking, the term also means no liens of any kind, so check for tax liens or judgments before assuming it's fully clear.
G
Gap Funding
FinancingA loan, often from a private lender, that covers the part of a deal the main lender won't, such as the down payment or rehab costs.
Garn-St Germain Act
Deal StructuresA 1982 federal law that limits when lenders can enforce a due-on-sale clause on homes, for example on transfers to a spouse or child, or into a living trust where the borrower stays a beneficiary. It generally doesn't cover a sale to an investor.
Gross Rent Multiplier (GRM)
Rentals & ReturnsThe price divided by a year's gross rent. It's a quick screen: a lower GRM means you're paying less for each dollar of rent.
Gross Yield
Rentals & ReturnsA year's rent divided by the property's price, before any expenses.
H
Hard Money Loan
FinancingStarterA short-term loan from a private lending company, based mostly on the property's value. It's faster and easier to get than a bank loan, but with higher rates and fees.
High-Equity Property
Finding DealsStarterA property where the owner owes little compared to what it's worth. Investors often look for 40% equity or more, because those owners can sell at a discount and still walk away with cash.
HOA Lien
Legal & ClosingA lien a homeowners association places on a property for unpaid dues or assessments. In some states, the association can foreclose on it.
Holding Costs
Deal AnalysisThe ongoing costs of owning a property until it sells or refinances: loan payments, taxes, insurance, utilities and upkeep. Also called carrying costs.
Home Equity Line of Credit (HELOC)
FinancingA revolving credit line secured by a property's equity. You can borrow, repay and borrow again during the draw period.
House Hacking
Rentals & ReturnsStarterLiving in part of a property and renting out the rest, such as one unit of a fourplex, so the rent covers much of your housing cost.
Hybrid Deal
Deal StructuresA creative deal that combines strategies, most often taking over the existing loan subject-to and having the seller finance part of their remaining equity.
I
Inherited Property
Finding DealsStarterA property passed to heirs after the owner's death. Heirs who live far away or share ownership with siblings are often open to selling.
Interest-Only Payment
FinancingA payment that covers only the interest, so the loan balance doesn't go down. Often used in short-term or seller-financed deals.
J
Joint Venture (JV)
Deal StructuresTwo or more parties teaming up on a deal, usually splitting money, work and profit under a written agreement.
Judgment Lien
Legal & ClosingA lien created when a creditor wins a court judgment against an owner and records it against their property.
Judicial Foreclosure
Legal & ClosingA foreclosure that goes through the courts: the lender files a lawsuit and a judge oversees the sale. Usually slower than a non-judicial foreclosure.
L
Land Trust
Deal StructuresA trust that holds title to real estate and keeps the beneficiary's name off public records. Some investors use one in subject-to deals, but it doesn't by itself remove due-on-sale risk.
Lead Funnel
OutreachThe stages a lead moves through, from first contact to signed deal. Tracking each stage shows where leads drop off.
Lead List
OutreachA list of properties and owners that match criteria tied to a reason to sell, built from public records and data platforms.
Lease Option
Deal StructuresA lease that gives the tenant the right, but not the obligation, to buy the property at a set price within a set time.
Lease Purchase
Deal StructuresA lease where the tenant agrees to buy the property at the end of the term. Unlike a lease option, the tenant is committed to the purchase, not just given the right to buy.
Lien
Legal & ClosingStarterA legal claim against a property for a debt. Liens generally have to be paid off or released before the property can be sold with clear title.
Lien Release
Legal & ClosingA recorded document showing a lien has been paid or satisfied and no longer attaches to the property.
Limited Power of Attorney
Deal StructuresA document that lets someone act for another person on specific matters only, such as handling the loan or insurance on one property.
Lis Pendens
Legal & ClosingA recorded notice that a lawsuit affecting the property, such as a judicial foreclosure, has been filed.
List Stacking
OutreachStarterCombining two or more lead lists and focusing on owners who appear on more than one, such as absentee plus high equity. Overlap usually signals stronger motivation.
Loan Servicer
FinancingThe company that collects loan payments, manages escrow and tracks the balance. In seller-financed deals, a third-party servicer keeps clean payment records for both sides.
Loan-to-Value (LTV)
Deal AnalysisThe loan balance divided by the property's value, shown as a percentage. A $150,000 loan on a $200,000 home is 75% LTV.
Long-Time Owner (Senior Owner)
Finding DealsAn owner who has held a property for decades, often with a lot of equity. Some want to downsize. Outreach should be respectful and pressure-free.
M
Market Value
Deal AnalysisThe price a property would likely sell for between a willing buyer and a willing seller on the open market.
Maximum Allowable Offer (MAO)
Deal AnalysisStarterThe most you can pay and still hit your profit target. A common formula is MAO = (ARV × 0.70) − repairs, minus your fee if you're wholesaling the deal.
Mechanic's Lien
Legal & ClosingA lien filed by a contractor or supplier who wasn't paid for work or materials on a property.
Months of Inventory
Deal AnalysisHow long it would take to sell every active listing at the current sales pace. Lower numbers favor sellers; higher numbers favor buyers.
Mortgage
Legal & ClosingA document that pledges a property as security for a loan. In everyday use, the word also means the loan itself.
Motivated Seller
Finding DealsStarterAn owner with a real reason to sell quickly or below full retail, such as money trouble, a life event or a property they no longer want to deal with.
N
National Do Not Call Registry
OutreachA free list run by the Federal Trade Commission where people register phone numbers that don't want telemarketing calls. Investors scrub call lists against it before dialing.
Negative Equity (Upside Down)
Finding DealsWhen an owner owes more on a property than it's worth. These owners usually can't sell without bringing cash to closing or getting a short sale approved by the lender.
Net Operating Income (NOI)
Rentals & ReturnsA year's rental income minus operating expenses, before the mortgage payment. It's the starting point for cap rate and most rental valuations.
Non-Judicial Foreclosure
Legal & ClosingA foreclosure handled outside of court, using a power-of-sale clause in the deed of trust. A trustee runs the sale.
Notice of Default (NOD)
Finding DealsA recorded notice that a borrower has fallen behind on a loan secured by the property. In many non-judicial foreclosure states, it's the first public sign of a foreclosure.
Notice of Trustee Sale
Finding DealsA recorded and published notice that sets the date, time and place a property will be sold at a trustee's auction in a non-judicial foreclosure.
Novation Agreement
Deal StructuresAn agreement that lets an investor list and sell a property on the open market, often after improvements, paying the seller an agreed price and keeping the difference. Rules vary by state.
O
Off-Market Property
Finding DealsStarterA property that isn't listed for sale on the MLS. Investors find the owner through public records and reach out directly.
On-Market Property
Finding DealsA property currently listed for sale, usually on the MLS, where every buyer and agent can see it.
Out-of-State Owner
Finding DealsAn absentee owner whose mailing address is in a different state from the property. Distance makes repairs and tenant problems harder to handle, which can make these owners more open to selling.
P
PITI
FinancingPrincipal, interest, taxes and insurance: the four parts of a typical monthly mortgage payment.
Pocket Listing
Finding DealsA property an agent markets privately to a small group of buyers instead of publishing it on the MLS. MLS rules on this practice vary and have changed in recent years.
Pre-Foreclosure
Finding DealsStarterThe period after a lender files a default notice and before the property is sold at a foreclosure auction. The owner can still catch up on payments, refinance or sell.
Price per Square Foot
Deal AnalysisThe sale price divided by the living area. It's a quick way to compare properties, but it ignores condition, lot size and layout.
Private Money
FinancingA loan from an individual, such as a friend, colleague or private investor, on terms the two of you negotiate.
Probate Property
Finding DealsA property owned by someone who has died and is going through probate, the court process that settles their estate. The executor or heirs decide whether to keep or sell it.
Promissory Note
FinancingThe borrower's written promise to repay a loan on stated terms. The mortgage or deed of trust secures that promise with the property.
Proof of Funds (POF)
FinancingA bank statement or lender letter showing you have the money to close. Sellers and agents often ask for one with a cash offer.
Q
Quitclaim Deed
Legal & ClosingA deed that transfers whatever interest the seller has, with no guarantee the title is clear. Common between family members.
R
Redemption Period
Legal & ClosingA window, set by state law, in which a former owner can reclaim a property after a foreclosure or tax sale by paying what's owed. Not every state has one.
Refinance
FinancingReplacing an existing loan with a new one, usually for a lower rate, a different term or cash out.
Rent-to-Own
Deal StructuresA general term for lease options and lease purchases, where the deal gives the renter a path to buying the home.
REO (Real Estate Owned)
Finding DealsA property the lender took back after it didn't sell at the foreclosure auction. Banks usually sell REOs through agents, often as-is.
Residential Mortgage Loan Originator (RMLO)
FinancingA licensed professional who takes loan applications and negotiates loan terms. Federal rules can require sellers who finance homes for owner-occupants to use one, so check with an attorney.
Return on Investment (ROI)
Rentals & ReturnsThe profit from an investment divided by its total cost, shown as a percentage.
Reverse Mortgage
FinancingA loan for homeowners 62 or older that pays out from their home equity. The balance grows over time and is usually repaid when the home is sold.
Ringless Voicemail
OutreachA prerecorded message dropped straight into a voicemail box without the phone ringing. The FCC has ruled these count as calls under the TCPA, so the same consent rules apply.
S
Sandwich Lease Option
Deal StructuresAn investor leases a property from the owner with an option to buy, then subleases it to a tenant-buyer with their own option, earning the spread between the two.
Scope of Work
Deal AnalysisA line-by-line list of every repair and upgrade a property needs, used to price the rehab and manage contractors.
Seller Disclosure
Legal & ClosingA form where the seller lists known problems with the property. What has to be disclosed varies by state.
Seller Financing
Deal StructuresThe seller acts as the lender, and the buyer pays the seller over time instead of getting a bank loan. Also called owner financing or a seller carry-back.
Seller Second
Deal StructuresA second loan the seller carries behind the first mortgage, covering part of the price so the buyer needs less cash.
Short Sale
Finding DealsA sale for less than the amount owed on the mortgage, with the lender agreeing to accept the shortfall. Lender approval is required and can take months.
Short-Term Rental (STR)
Rentals & ReturnsA property rented by the night or the week, often through booking platforms. Many cities regulate or restrict short-term rentals, so check local rules first.
Skip Tracing
OutreachStarterFinding current phone numbers and email addresses for a property owner, using data compiled from public and commercial sources. No provider finds a working number for everyone.
Subject-To
Deal StructuresBuying a property while leaving the seller's existing loan in place and taking over the payments. The loan's due-on-sale clause still applies, so the lender could call the loan due.
T
Tax Deed Sale
Finding DealsAn auction where the county sells the property itself to recover unpaid taxes. Rules, redemption rights and title quality vary widely by state.
Tax Lien
Finding DealsA legal claim the county places on a property for unpaid property taxes. Depending on the state, the county may sell the lien to investors or eventually sell the property itself.
Tax-Delinquent Property
Finding DealsStarterA property whose owner is behind on property taxes. The longer the taxes go unpaid, the closer the property gets to a tax lien sale or tax deed sale.
TCPA
OutreachThe Telephone Consumer Protection Act, the federal law that limits autodialed calls, prerecorded messages and texts to cell phones without consent. Violations can bring damages for each call.
Third-Party Authorization
Deal StructuresA form the borrower signs that lets the lender share loan details with someone else, such as an investor checking the balance and payment history.
Tired Landlord
Finding DealsStarterA landlord showing signs of wanting out, such as long ownership, unpaid taxes, code violations or repeated vacancies. Every tired landlord is an absentee owner, but most absentee owners aren't tired landlords.
Title
Legal & ClosingLegal ownership of a property and the rights that come with it. The deed is the document that transfers title.
Title Insurance
Legal & ClosingA policy that protects the buyer or lender against losses from title problems the title search missed.
Title Search
Legal & ClosingA review of public records to confirm who owns a property and to find any liens, judgments or other claims against it.
Transactional Funding
Deal StructuresA very short-term loan, often repaid the same day, that pays for the first purchase in a double close.
U
USDA Loan
FinancingA mortgage backed by the U.S. Department of Agriculture for eligible buyers in qualifying rural and some suburban areas.
V
VA Loan
FinancingA mortgage guaranteed by the U.S. Department of Veterans Affairs for eligible veterans, service members and some surviving spouses, often with no down payment.
Vacant Property
Finding DealsStarterA property no one is living in. Data providers often flag vacancy from U.S. Postal Service records showing mail delivery has stopped. A drive-by confirms it.
W
Warranty Deed
Legal & ClosingA deed in which the seller guarantees they hold clear title and will defend the buyer against claims.
Wholesaling
Deal StructuresStarterPutting a property under contract and then assigning that contract, or reselling the property, to another buyer for a fee. A growing number of states regulate wholesaling.
Wraparound Mortgage
Deal StructuresSeller financing that wraps around the seller's existing loan: the buyer pays the seller, and the seller keeps paying the original lender.
Z
Zombie Property
Finding DealsA home in foreclosure that the owner has already moved out of. It sits empty while the lender hasn't taken it back yet, which often means growing maintenance problems.
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