Skip to main content

What is a mortgage: A guide for new homebuyers

PublishedDec 16, 2025|Time to read min

      Quick insights

      • A mortgage is essentially a loan secured by your home, designed to help you buy real estate without having to pay the full amount upfront.
      • It involves monthly repayments combining principal and interest, often with taxes and insurance added into the mix.
      • Before you apply for a mortgage, take the time to understand the role your credit score and down payment play in pursuing different loan options.

      If you’re considering buying a home, you’ve likely heard the term “mortgage” more times than you can count. Perhaps you view it as a friendly bridge to fresh beginnings or maybe as an intimidating barrier loaded with financial jargon.

      Whatever the case may be, the fact remains that 91% of all first-time homebuyers rely on mortgages to secure their purchase.

      But what is a mortgage? How do you go about getting one, and what do you need to be mindful of in the process? Whether you’re currently scanning open house listings or just budgeting for the future, understanding mortgage basics is key to getting the keys to your new abode.

      What is a mortgage in simple terms?

      While mortgages may seem complex, understanding the basic structure and terms can help you make informed decisions. In essence, they’re just loans used specifically for homes.

      Mortgage definition

      A mortgage is a loan crafted solely for the purpose of purchasing real estate. Distinct from unsecured loans, a mortgage uses the property itself as collateral. In practical terms, this means that, if a borrower is unable to meet the payment obligations, the lender retains the legal right to repossess the property through a process known as foreclosure.

      The mortgage is a mainstay of both the quintessential “American dream” and the broader global economy. Without this tool, homeownership would be largely inaccessible. Most individuals and families simply cannot afford to pay the full purchase price of a home upfront.

      How mortgages work

      A key element of choosing mortgages is understanding how they operate, from loan application to receiving the keys to your new home. It may help to think of the process as a relay with distinct handoffs, each one inching you closer to owning your own home.

      1. Preapproval

      Before you start shopping for a home, you need to have an idea of your purchasing range. During the preapproval process, you’ll provide your lender with financial documentation, including your income, current debts and credit profile.

      In return, the lender will supply you with a preapproval letter, giving you credibility while you’re shopping for a house as well as much-needed clarity on your budget. It’s important to note that while preapproval is not a guarantee of funding, it strengthens your position with sellers and real estate agents because it shows you are serious about buying.

      2. Application

      Once you’ve found a suitable property, the mortgage application becomes a bit more formal. This stage involves detailed submission of financial records, including tax returns, proof of employment, recent bank statements and more. Think of it as a deep dive audit into your financial health.

      3. Underwriting

      At this juncture, the lender’s underwriting team will meticulously review your finances and assess the property. This includes a home appraisal to confirm the market value as well as a detailed risk analysis. The goal is to make sure you and your home meet the bank’s lending criteria. Underwriting can feel painstaking, but it’s an important layer of financial oversight that can’t be skipped.

      4. Closing

      Now, the culmination of all your efforts and hard work: closing. Here, you’ll sign the mortgage agreement and other legal documents, pay closing costs and, finally, receive the keys to your new home.

      Closing costs may range from 2%–6% of the loan amount, but this varies. Having an experienced realtor and legal counsel at this stage can help you streamline the process. For example, a knowledgeable realtor may assist in negotiating closing terms, identifying potential cost-saving opportunities and ensuring contractual obligations are addressed.

      Repayment basics

      Once your purchase is complete, you commit to monthly mortgage payments. These consist of several parts, sometimes summarized as PITI:

      • Principal: This is the amount you originally borrowed from the lender.
      • Interest: Interest is the fee you pay for borrowing the principal, typically expressed as an annual interest rate.
      • Taxes: Lenders often collect property taxes as part of the monthly payment and forward them to your local municipality.
      • Insurance: This includes homeowners insurance (required by lenders) and, when applicable, mortgage insurance if your down payment is less than 20%.

      You can get an idea of your potential payment by using this mortgage calculator.

      Types of mortgages

      Selecting the right mortgage is just as important as choosing the right home. Each type serves different needs and borrower profiles, with risk and suitability varying depending on how long you plan to own your home and your comfort with rate changes.

      Fixed-rate mortgage

      The fixed-rate mortgage is a classic study in reliability. Your interest rate (and resulting monthly payment) remains unchanged for the life of the loan, often 15 or 30 years. This predictability is valuable for budget planning, namely for those who intend to stay in their home long-term.

      Adjustable-rate mortgage

      ARMs typically present a lower initial interest rate, which adjusts periodically based on a specific benchmark. This means monthly payments could rise or fall after the introductory period ends. ARMs can benefit buyers who are expecting to relocate or refinance within a few years, but they carry greater payment variability and risk compared to fixed-rate mortgages.

      Other mortgage options

      Many homebuyers take out conventional loans, which are home loans made through a lender such as a bank, credit union, or mortgage company. Conventional loans are not insured or guaranteed by government agencies, but many are eligible to be purchased by Fannie Mae or the Federal Home Loan Mortgage Corporation if they meet specific criteria.

      There are also these common types of home loans to consider:

      • FHA Loans: Insured by the Federal Housing Administration, FHA loans are designed to support borrowers with modest credit scores and smaller down payments, which may be beneficial for some first-time buyers depending on individual circumstances.
      • VA Loans: The Department of Veterans Affairs guarantees these loans, which are only for veterans, active-duty military personnel, National Guard, reserves and certain surviving spouses. VA loans usually require no down payment and no private mortgage insurance.
      • Jumbo Loans: For high-value properties above conforming loan limits, jumbo loans may fill the gap. Due to the increased risk to lenders, these often require larger down payments and stronger credit profiles.

      What to consider before getting a mortgage

      Before you pick up the keys to your new place or sign on the dotted line, consider these tips.

      Financial readiness

      A successful mortgage application requires a great deal of planning and preparation. Lenders will evaluate a few elements, including:

      • Credit score: A higher score can lower your interest rate, significantly reducing total repayment over time. The best rates typically go to those with credit scores of 740 and higher, though most conventional loans require at least 620.
      • Down payment: Traditionally, a 20% down payment is standard, but some programs may require as low as 3.5%. A lower down payment, however, may require private mortgage insurance (PMI), which adds to your monthly payment.
      • Debt-to-income ratio (DTI): Lenders calculate the percentage of your gross monthly income that goes toward debt payments. Most look for a DTI ratio below 43%; a lower ratio increases your approval chances.

      One more tip to keep in mind: You may be approved for a much larger mortgage amount than is actually realistic for your budget. In other words, you might be approved for a $500,000 loan, but when you break out monthly payments, it looks like a $400,000 mortgage might be more comfortable.

      Be mindful of your budget; consider the preapproval amount as your upper limit, and choose a loan amount that fits comfortably within your financial plan.

      Choosing the right lender

      Not all lenders offer the same experience or terms. Shop carefully, considering interest rates, fees and service.

      Even a minor difference in interest rates can mean thousands of dollars saved across the life of your loan. Use online comparison tools and request detailed estimates to get an idea of your options.

      As for fees, look beyond the advertised rates. Ask your lender for a detailed breakdown of loan origination fees, application charges and estimated closing costs.

      Working with a responsive, communicative lender is wise, as it can alleviate stress and make or break your mortgage experience. If you can, prioritize lenders with strong reputations for transparency and support.

      Understanding the fine print and rate locks

      Be aware of policies regarding early repayment. While prepayment penalties are less common in many standard residential mortgages, some lenders and certain loan products may impose penalties for paying off your mortgage ahead of schedule. Always ask about prepayment clauses before you commit.

      Similarly, be mindful of interest rate locks. Rates can fluctuate daily, so once you find a rate you’re comfortable with, consider locking it in while your loan moves through underwriting and closing.)

      In summary

      A mortgage is more than a basic financial transaction. It offers a structured pathway to help you achieve your homeownership goals. The journey can be nuanced, requiring attention to your financial health, a clear understanding of loan types and thoughtful deliberation in choosing a lender who aligns with your priorities.

      By taking the time to study your loan options and prepare ahead of time with the right questions, you can set yourself up not just for a successful purchase, but for a confident, sustainable start to life in your new home. With a smart mortgage strategy, the keys you receive at closing will open the door to lasting security and peace of mind.

      Take the first step and get preapproved.

      Have questions? Connect with a home lending expert today!

      What to read next