How Does a Mortgage Work?

miniature model of a house on a desk with keys and mortgage documents
If you want to buy a home - and you’re not a direct relative of Warren Buffet - you’ll probably need to take out a mortgage. A mortgage is just a fancy word for a home loan. Taking out a mortgage is different from taking out an auto loan, personal loan, or student loan. And before you start scoping out Zillow for new home listings, you need to understand how a mortgage works. Keep reading to learn about the different kinds of mortgages, how they function, and how to pick the right type for you and your needs.  

What is a mortgage?

A mortgage is a loan used to buy a house. The house then acts as collateral for the loan, so if the homeowner does not make their monthly payments, the lender can seize the house. There are several different types of mortgage programs and ways to compare those mortgages. Picking the best type of mortgage for you can mean a difference of tens of thousands of dollars over the life of the loan. When you take out a mortgage, you usually have to make a down payment to the lender. The minimum down payment varies depending on the mortgage type but usually ranges between 3% and 5%. If you put down less than 20%, you often have to pay a special fee, known as private mortgage insurance (PMI), and you may be charged a higher interest rate. Some mortgages do not require a down payment, but these usually have special requirements.  

What does a mortgage payment include?

 

Principal and Interest

The principal is the home’s cost minus any down payment.  When you take out a mortgage, you will be charged interest. The monthly payment will be divided between principal and interest. The amount that goes toward the principal and interest will vary. Most mortgage loans are set up so that the bulk of your initial payments go toward interest, not principal. However, toward the end of the loan term, the majority of the payments will go toward paying down the principal, not the interest.

Property Taxes

A municipality charges property taxes based on the assessed value of your home. Your assessed value may change over time, usually increasing, which means your property taxes may also increase. A city or county may have its own property tax rates, which often vary from location to location. Property taxes may not necessarily come out of your monthly mortgage payment.

Private Mortgage Insurance (PMI)

If you put down less than 20% on a mortgage, you usually have to pay a mortgage insurance premium. This will cover the lender in case you default on the home while you have less than 20% equity. The cost of mortgage insurance depends on your down payment and the mortgage program. Once you reach 20% equity, you may be able to remove mortgage insurance premiums from your monthly payment. Sometimes, you may have to refinance the mortgage to remove this mortgage insurance.

Homeowners Insurance

Homeowners insurance covers damage that occurs to your property, like a fire, storm, and more. Flood damage may or may not be covered depending on your specific policy. The cost of the homeowner's insurance premium depends on your home’s value, deductible, and coverage level. If you opt for a lower deductible, your premium will usually be higher - and vice versa. Your insurance payment will be bundled in with your monthly mortgage payment.  

Mortgage Terminology

Adjustable-rate mortgage

An adjustable-rate mortgage starts with one interest rate, usually a relatively lower one, and then shifts to a different interest rate after a predetermined period of time. If rates have gone up since you initially took out the mortgage, then your new rate may be significantly higher. An adjustable-rate mortgage may offer lower monthly payments than a fixed-rate mortgage in the short term but can cost much more in the long term. If you only plan on living at a property for a few years, an adjustable-rate mortgage might make financial sense.

Appraisal

The appraisal is the home’s value, determined by an official, impartial appraiser. The lender will use the appraisal value to determine the maximum loan amount. If the offered price exceeds the appraisal, the buyer must decide whether to pay the difference in cash or negotiate a lower sales price.

Earnest money

When you make an offer, you usually have to put a deposit down to show that you’re serious. This is known as earnest money, which normally costs between 1% and 3% of the purchase price. If you back out of the sale for an inexcusable reason, you will lose the earnest money.

Fixed-rate mortgage

Most mortgages have fixed interest rates, which means that the interest rate will not change over the life of the loan unless you refinance. The monthly payment may still vary under a fixed-rate mortgage, but this will be due to fluctuations in property taxes or homeowners insurance - not due to the interest rate. You may be able to refinance a fixed-rate mortgage for a lower rate later on.

Inspection

An inspector will thoroughly look over the home to determine if there are any major issues. While an inspection is often optional, you should never skip it. It’s common to uncover huge problems during an inspection that can’t be seen during an open house. Information from the inspection can potentially be used to negotiate a reduction in the sale price or repairs with the seller.

Repayment term

The repayment term on a mortgage is how long it will take to pay off the balance. Mortgage terms can range from 10 to 50 years, but the availability depends on your lender. Most borrowers typically choose a 15- or 30-year mortgage.  

Home-buying basics:

Buying a home is a multifaceted process. Here are some basic steps to follow:
  • Figure out your credit score: You typically need a credit score of 620 or higher to qualify for most types of mortgages. If your score is below that threshold, work on improving it before applying for a home loan. Your credit score will also affect the interest rate, so try to raise it as much as possible.
  • Figure out how much you can afford: You should determine how much you can afford to pay each month. Don’t forget to set aside money for home repairs, moving costs, and other expenses. Once you know your maximum monthly payment, you can determine your overall mortgage limit.
  • Determine your mortgage program eligibility: Some borrowers may qualify for multiple types of mortgages. Compare and contrast these programs to determine which type of loan fits you best.
  • Save for a down payment: Unless you plan to use a VA or USDA loan, you’ll need to make a down payment on the mortgage.
  • Start looking around: While saving for a down payment, you can start looking at various properties and determining what matters most to you in a potential home.
  • Get a real estate agent: Most borrowers find the home-buying process is easier with a qualified and reputable real estate agent. Get recommendations from local friends and family. Don’t be afraid to interview multiple agents to find the best match for you.
 

The pre-approval process

Before you start visiting open houses, try to get pre-approved for a mortgage. Unlike pre-qualification, pre-approval requires that the lender verify your financial information, including your credit score and debt-to-income ratio, instead of relying only on the borrower’s self-reporting. If you are pre-approved, you are much more likely to have your offer selected by a seller. It means that a lender has reviewed your finances and can vouch that you can afford a mortgage at a certain price point. It also gives you an idea of the current interest rates available to you and what your monthly mortgage payment will be. Even if you are pre-approved, you will still have to go through a full underwriting process to complete the mortgage.  

The cost of homeownership

Everyone who’s been a homeowner knows there are multiple costs associated with the process. Here’s what to know if you’re a first-time homebuyer, though.

Closing costs

Closing costs are the expenses you incur to finalize your loan. These can include but are not limited to
  • Origination fee
  • Title fee and title insurance
  • Attorney’s fee
  • Appraisal
  • Home inspection
  • Escrow fees
  • Prepaid homeowners insurance and property taxes
While the exact amount will vary depending on your specific mortgage and lender, closing costs generally are between 3% and 6% of the final purchase price.

Down payments

Unless you’re eligible for a VA or USDA loan, you’ll have to make a down payment on the home. In general, the higher the down payment, the lower the interest rate. Generally, the lowest down payment to qualify for a conventional loan is 5%. However, you can get an FHA loan with only a 3.5% down payment.  

Types of Mortgage Loans

There are several different types of mortgages, and the type of loan you choose will make a big difference in your loan term, interest rate, and other factors.

Conventional Loan

A conventional loan is the most common type of mortgage and is available for all borrowers who qualify. The minimum down payment on a conventional loan is typically 5%, but some lenders may allow a 3% down payment. Credit score requirements may be higher with a conventional loan.

FHA Loan

FHA (Federal Housing Administration) loans are mortgages that are insured by the federal government and offered by approved lenders. FHA loans can only be used for a primary residence. However, it can be easier to qualify for one of these than for a conventional loan. Also, the down payment requirement is only 3.5%. FHA loans also usually have lower credit score requirements than conventional loans, so they’re more accessible for borrowers. If you put down less than 20%, you will have to pay mortgage insurance, which is included in the loan costs.

VA Loan

A VA loan is given to a former or current servicemember who meets basic criteria. VA loans do not require a down payment, unlike most types of mortgages, to avoid mortgage insurance premiums. VA loans also usually have lower interest rates than conventional mortgages. In a seller’s market, having a VA loan may be a hindrance for prospective buyers. To be approved for a VA loan, a property must meet more stringent requirements. If the home doesn’t, the seller must agree to complete those repairs before closing. In a competitive market, the seller may choose a buyer who doesn’t have a VA loan.

USDA Loan

A USDA loan is a mortgage for a property, usually in a rural or suburban environment. You can go here to see if a specific address falls within the USDA guidelines. Like VA loans, USDA loans have a 0% down payment requirement. They may also offer lower rates than conventional loans.  

What is home equity?

As you continue to pay down your mortgage, you’ll gain equity in your home. Equity is essentially the portion of your home you own, as opposed to the portion still owned by the lender providing your mortgage. The initial equity depends on your down payment. Once you have paid off your home, you will have 100% equity. Your home equity is important in case you decide you want to cash out and sell your home or if you want to take out a home equity loan. If you only have partial equity, you’ll only be able to keep a portion of the sales price after paying off the lender. Equity is also important in case you can’t afford payments anymore and the home ends up being foreclosed on. During the foreclosure process, the lender will sell the property, often for a lower price than the home’s appraisal value. If you have sufficient equity in the home, you may receive some amount, the excess proceeds, from that sale. However, additional fees will likely cut into those funds. A foreclosure will also harm your credit score, which could cause additional future problems.  

Can I refinance my mortgage?

Interest rates for mortgages can change at any point, and if rates fall after you’ve taken out a loan, you can try to refinance. When you refinance, you can also choose a shorter or longer term. This can also change your monthly payment. You can also refinance and withdraw some of your hard-earned equity to pay off other bills, use it for remodeling projects, and more. There are fees and other costs associated with refinancing, so make sure the math will work out over time. If you’re close to paying off your mortgage, it may be better to skip refinancing.  

Are you ready to commit?

A mortgage is a big commitment. However, it’s often the only possible path for those who dream of homeownership. Just be certain you are able to make the required payments while keeping up with property maintenance needs and there aren’t any surprise rate hikes coming down the line.

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