Mo Abdel - Orange County Mortgage Broker NMLS 1426884
Complete Reference Guide

Mortgage & Real Estate Glossary

Understand mortgage terminology with our comprehensive glossary. Clear definitions and examples to help Orange County home buyers navigate the loan process confidently.

Complete Mortgage Glossary

33+ essential mortgage and real estate terms with clear definitions

All terms are organized alphabetically below. Use your browser's search (Ctrl+F) to find specific terms quickly.

Adjustable Rate Mortgage (ARM)

Loan Types

A mortgage loan where the interest rate can change periodically based on market conditions. Common types include 5/1, 7/1, and 10/1 ARMs.

Related Terms:

Fixed Rate Mortgage
Interest Rate
Rate Adjustment

Amortization

Payments

The process of paying off a debt over time through regular payments. Each payment covers both principal and interest, with the principal portion increasing over time.

Related Terms:

Principal
Interest
Payment Schedule

Annual Percentage Rate (APR)

Rates & Fees

The yearly cost of a mortgage including interest rate, points, broker fees, and other costs. APR provides a more complete picture of loan costs than interest rate alone.

Related Terms:

Interest Rate
Points
Closing Costs

Appraisal

Process

A professional estimate of a property's market value conducted by a licensed appraiser. Required by lenders to ensure the loan amount doesn't exceed property value.

Related Terms:

Home Value
Loan-to-Value Ratio
Property Value

Closing

Process

The final step in the home buying process where ownership is officially transferred from seller to buyer and the mortgage loan is finalized.

Related Terms:

Closing Costs
Settlement
Title Transfer

Closing Costs

Costs

Fees and expenses paid at closing, typically 2-5% of the loan amount. Includes appraisal fees, title insurance, attorney fees, and lender charges.

Related Terms:

Closing
Origination Fee
Title Insurance

Conforming Loan

Loan Types

A mortgage that meets the criteria to be purchased by Fannie Mae or Freddie Mac. For 2025, the limit is $1,089,300 in Orange County.

Related Terms:

Jumbo Loan
Loan Limits
GSE

Conventional Loan

Loan Types

A mortgage not insured by a government agency (FHA, VA, USDA). Typically requires higher credit scores but offers competitive rates and terms.

Related Terms:

FHA Loan
VA Loan
Government Loans

Credit Score

Credit

A numerical representation of creditworthiness, typically ranging from 300-850. Higher scores generally qualify for better mortgage rates and terms.

Related Terms:

FICO Score
Credit Report
Credit History

Debt-to-Income Ratio (DTI)

Qualification

The percentage of gross monthly income that goes toward debt payments. Most lenders prefer DTI below 43% for conventional loans.

Related Terms:

Income
Debt
Qualifying Ratios

Down Payment

Payments

The upfront cash payment made when purchasing a home, typically expressed as a percentage of the purchase price. Can range from 0% to 20% or more.

Related Terms:

Loan-to-Value
PMI
Cash to Close

Earnest Money

Process

A deposit made to demonstrate serious intent to purchase a home. Typically 1-3% of purchase price, held in escrow and applied toward down payment at closing.

Related Terms:

Purchase Contract
Escrow
Good Faith Deposit

Escrow

Process

A neutral third party that holds funds or documents until certain conditions are met. Also refers to the account for property taxes and insurance payments.

Related Terms:

Escrow Account
Property Taxes
Insurance

FHA Loan

Loan Types

A mortgage insured by the Federal Housing Administration, allowing lower down payments (3.5%) and credit scores (580+) but requiring mortgage insurance.

Related Terms:

Government Loans
MIP
Down Payment

Fixed Rate Mortgage

Loan Types

A mortgage where the interest rate remains the same for the entire loan term, providing predictable monthly payments.

Related Terms:

ARM
Interest Rate
Payment Stability

HELOC

Loan Types

Home Equity Line of Credit - a revolving credit line secured by home equity, allowing borrowers to access funds as needed up to a credit limit.

Related Terms:

Home Equity
Second Mortgage
Credit Line

Home Equity

Ownership

The difference between a home's current market value and the outstanding mortgage balance. Equity builds through payments and property appreciation.

Related Terms:

Property Value
Mortgage Balance
Appreciation

Interest Rate

Rates & Fees

The percentage charged by a lender for borrowing money, typically expressed as an annual rate. Affects monthly payment amount.

Related Terms:

APR
Rate Lock
Market Rates

Jumbo Loan

Loan Types

A mortgage that exceeds conforming loan limits. In Orange County for 2025, any loan over $1,089,300 is considered jumbo.

Related Terms:

Conforming Loan
Loan Limits
High-Balance

Loan-to-Value Ratio (LTV)

Qualification

The percentage of a property's value that is financed. Calculated by dividing loan amount by property value. Lower LTV typically means better rates.

Related Terms:

Down Payment
Property Value
Risk Assessment

Mortgage Insurance

Insurance

Insurance that protects lenders if borrowers default. Required for conventional loans with less than 20% down (PMI) and all FHA loans (MIP).

Related Terms:

PMI
MIP
Down Payment

NMLS

Regulation

Nationwide Multistate Licensing System - the system that licenses and tracks mortgage loan originators. All MLOs must have an NMLS number.

Related Terms:

License
MLO
Compliance

Origination Fee

Fees

A fee charged by lenders for processing a mortgage application, typically 0.5% to 1% of the loan amount.

Related Terms:

Lender Fees
Closing Costs
Points

PITI

Payments

Principal, Interest, Taxes, and Insurance - the four components of a typical monthly mortgage payment.

Related Terms:

Monthly Payment
Escrow
Housing Costs

Points

Rates & Fees

Fees paid to lenders at closing to reduce the interest rate. One point equals 1% of the loan amount and typically reduces the rate by 0.25%.

Related Terms:

Discount Points
Interest Rate
Buy Down

Pre-approval

Process

A lender's conditional commitment to loan money based on preliminary review of finances. More reliable than pre-qualification.

Related Terms:

Pre-qualification
Approval
Credit Check

Principal

Loan Terms

The original amount of money borrowed or the remaining balance on a loan, not including interest.

Related Terms:

Interest
Balance
Amortization

Private Mortgage Insurance (PMI)

Insurance

Insurance required on conventional loans with less than 20% down payment. Can be removed once equity reaches 20%.

Related Terms:

Mortgage Insurance
Down Payment
LTV

Rate Lock

Rates & Fees

An agreement that guarantees a specific interest rate for a certain period, typically 30-60 days, protecting against rate increases during processing.

Related Terms:

Interest Rate
Lock Period
Rate Protection

Refinancing

Loan Types

Replacing an existing mortgage with a new loan, typically to get a better interest rate, change loan terms, or access home equity.

Related Terms:

Rate and Term Refi
Cash-Out Refi
Current Loan

Title Insurance

Insurance

Insurance that protects buyers and lenders against losses from defects in property title, such as liens or ownership disputes.

Related Terms:

Title Search
Closing Costs
Property Ownership

Underwriting

Process

The process where lenders evaluate a borrower's creditworthiness and the property's value to determine loan approval and terms.

Related Terms:

Approval Process
Risk Assessment
Documentation

VA Loan

Loan Types

A mortgage guaranteed by the Department of Veterans Affairs for eligible veterans, active military, and surviving spouses. Offers 0% down payment.

Related Terms:

Government Loans
Military Benefits
No Down Payment

Quick Reference Guide

Essential terms every home buyer should know

Payment Terms

PITI: Principal, Interest, Taxes, Insurance
PMI: Private Mortgage Insurance
Escrow: Account for taxes and insurance
Down Payment: Upfront cash payment

Loan Types

Conventional: Non-government loan
FHA: Government-insured loan
VA: Veterans Affairs loan
Jumbo: High-balance loan

Rates & Ratios

APR: Annual Percentage Rate
LTV: Loan-to-Value Ratio
DTI: Debt-to-Income Ratio
Rate Lock: Guaranteed rate period

Still Have Questions?

Don't see a term you're looking for? Our glossary is constantly growing, and I'm here to explain any mortgage concept in plain English. No question is too small!

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Mo Abdel, NMLS #1426884 | Making Mortgage Terms Simple for Orange County