40-Year Mortgage: What It Is, Pros and Cons

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|10 min read

We have all heard of the traditional 30-year mortgage, which most home buyers sign up for when they purchase a house. But did you know that you can finance your home purchase with a 40-year mortgage?

A 40-year mortgage is an extended loan option that spreads repayments (known as amortization) over 40 years. By extending the loan term, principal and interest payments are spread out over an additional 120 months, which means that monthly payments decrease.

A 40-year mortgage can make buying a house more affordable without signing up for an interest-only mortgage. However, the longer term also means higher total interest paid over the life of the loan and slower equity build-up.

In this article, we will discuss a 40-year mortgage, its benefits, and its downsides.

What is a 40-Year Mortgage?

A 40-year mortgage is a home loan with a 40-year repayment period. In financing terms, the loan is amortized over 40 years. Extending the principal and interest payments an additional ten years lowers the monthly payment compared to a 30-year or 15-year mortgage.

In a 40-year mortgage, monthly payments are calculated based on the principal amount and interest rate over the 40-year term. While the lower monthly payments can ease immediate financial strain, the extended period means that interest accumulates over a longer timeframe.

As a result, borrowers will pay more in total interest over the life of the loan compared to shorter-term mortgages. Typical terms and conditions for 40-year mortgages often include fixed or adjustable interest rates; some may come with prepayment penalties.

Comparison with Other Mortgage Terms

When comparing 15, 30, and 40-year mortgages, the key differences lie in the monthly payments and the total interest paid over the life of the loan. For example, a 40-year mortgage will have the lowest monthly payments due to the extended term.

However, this also means paying significantly more in total interest. On the other hand, a 15-year mortgage has higher monthly payments but results in lower total interest paid and quicker equity build-up. A 30-year mortgage strikes a balance between the two.

To illustrate, let’s compare a $300,000 mortgage at a 6% interest rate over 15, 30, and 40 years:

  • 15-Year Mortgage:
    • Monthly Payment: $2,531.22
    • Total Interest Paid: $155,619.80
    • Total Cost: $455,619.80
  • 30-Year Mortgage:
    • Monthly Payment: $1,798.65
    • Total Interest Paid: $347,514.57
    • Total Cost: $647,514.57
  • 40-Year Mortgage:
    • Monthly Payment: $1,650.78
    • Total Interest Paid: $492,372.79
    • Total Cost: $792,372.79

As shown, while a 40-year mortgage offers a monthly payment of nearly $900 less than a 15-year mortgage, the borrower will end up paying an additional $366,752.99 in interest over the additional 25 years.

Availability and Accessibility

The hardest part of getting a 40-year mortgage is finding a lender that offers the loan product. Although 40-year loans are not as common as shorter-term loans, if you are interested in one, you should research and contact various lenders to get informed about your options.

If you already have a relationship with a bank, they should be your first point of contact. Otherwise, you can find 40-year loan options by talking to:

You can start by connecting with a mortgage broker through FastExpert. FastExpert provides an intuitive platform for searching and comparing local real estate professionals. Connecting with a mortgage broker throughFastExpert can help you compare local real estate professionals and their loan offerings.

Lenders typically have specific criteria and qualifications for approving a 40-year mortgage, including credit score requirements, income verification, and down payment amounts. When choosing between different mortgage terms, borrowers should consider their long-term financial goals, monthly budget, and the total cost of the loan to make an informed decision.

Pros of a 40-Year Mortgage

A 40-year mortgage might mean paying more interest, but those costs are spread over decades, so many borrowers don’t mind the additional long-term cost.

For some buyers, the pros of a 40-year mortgage or loan modification outweigh the negatives.

Lower Monthly Payments

Extending the loan term to 40 years reduces the monthly payment amount, making it more affordable for homeowners on a tight budget.

To qualify for a mortgage, you must prove you can afford the monthly payment within your debt-to-income ratio. When your income is lower, or you are inhibited by other debts (like a car loan or student debt), it can be challenging to qualify for a home loan, even if you have a fantastic credit score.

For most borrowers, a monthly payment of a few hundred dollars less per month, while still allowing them to borrow the same principal amount can be the difference between qualifying for a loan and not qualifying.

This can be especially beneficial for first-time homebuyers or those with limited income, allowing them to enter the housing market without the strain of higher payments associated with shorter-term loans.

Improved Cash Flow with a Lower Monthly Payment

Paying down a mortgage quickly isn’t always every homeowner’s goal. Sometimes, having better monthly cash flow helps them achieve their goals.

With a lower monthly payment, you get improved cash flow, providing borrowers with added freedom. Homeowners can allocate the money saved on mortgage payments towards other expenses or investments.

For example, a homeowner might choose to use the additional funds to pay for renovations that add value to their home or save up and reinvest the funds into an investment property. A longer monthly obligation provides flexibility and can give borrowers security in times of financial hardship.

Easier Qualification

While it’s not easy to find 40-year mortgage lenders, it can be easier to qualify for their loans. Qualifying for a mortgage requires meeting their credit score and income requirements.

The reduced monthly payment amount can make it easier for some borrowers to qualify for a mortgage. Lenders often look at the debt-to-income ratio when evaluating mortgage applications. With lower monthly payments, borrowers may have a better chance of meeting the lender’s criteria, increasing their likelihood of approval.

These loans can be particularly advantageous for self-employed individuals or those with fluctuating incomes, as the lower monthly obligation makes their financial profile more attractive to lenders.

Long-Term Financial Planning

While owning a home is an investment, it’s not always an investment that produces the highest returns. There are other forms of investing, such as stocks, bonds, or owning rental properties, that can produce higher returns and help build long-term wealth.

For some borrowers, a 40-year mortgage can be a strategic choice in long-term financial planning. By opting for lower monthly payments, they can invest the difference in other financial investments that potentially yield higher returns. This approach can be part of a diversified financial strategy, where the goal is to balance homeownership costs with other investments.

Accessibility to Higher-Priced Homes

A 40-year mortgage might also make it possible for borrowers to afford higher-priced homes. With lower monthly payments, buyers might qualify for larger loan amounts, enabling them to purchase a home that better meets their needs or is in a more desirable location. This can be particularly valuable in expensive real estate markets, where traditional 30-year mortgages might limit purchasing power.

Cons of a 40-Year Mortgage

A 40-year mortgage can make it easier to qualify for the home of your dreams or improve your cash flow flexibility, allowing you to invest in other assets.

However, these loans also have significant downsides that buyers must consider before choosing a lower monthly payment.

Higher Total Interest Costs

Although monthly payments are lower, when you have an extended repayment period from 30 to 40 years, each of those additional ten years will result in increased interest charges. As a result, a 40-year mortgage will have a higher total interest paid over the life of the loan.

For example, on a $300,000 mortgage with a 6% interest rate, a 40-year term pays significantly more in interest than a 15- or 30-year mortgage.

Before deciding on a 40-year mortgage, buyers need to be realistic with their short and long-term goals. If a higher cash flow today better serves your goals, paying more interest may be the right decision. However, if you aim to live a debt-free life in retirement, you may need to target a shorter-term mortgage.

Slower Equity Build-Up

Equity builds slowly by means of paying down an existing loan, through market changes and increasing prices, or by improving the property’s condition. With a 40-year mortgage, equity builds up slower than shorter-term loans because it takes more time to pay the principal balance.

Mortgages charge interest based on the principal balance due at a given time. Your amortization schedule shows you how much interest and principal you are paying with each monthly payment.

In the early years of the mortgage, most of the monthly payment goes towards paying interest rather than reducing the principal balance. As a result, it takes years to make a significant dent in your principal balance due.

A slower build-up of equity can be a disadvantage if you plan to:

  • Sell or refinance the home within a few years.
  • Hope to pay off the home before retirement.
  • Want to build equity to eliminate private mortgage insurance (PMI).

A slower build-up of equity can also leave homeowners more exposed if the real estate market drops. When economic conditions decline, and home values drop, owners with these mortgages could find themselves owing more than the property is worth. Borrowers should be aware of their mortgage terms and the risk of paying down the principal at a slower rate.

Potentially Higher Interest Rates

A 40-year mortgage can be deemed a higher-risk investment for lenders, therefore, it may come with higher interest rates than shorter-term loans. Often, lenders charge a premium for the extended repayment period to offset their increased risk.

As a result, borrowers can end up paying even more interest over the life of the loan, which can lessen the longer term’s positive impact on monthly payments. Borrowers should carefully compare interest rates for different mortgage terms to understand the true cost of a 40-year mortgage.

Limited Availability

One of the biggest challenges borrowers face when trying to get a 40-year mortgage is that not all lenders offer these loan products, limiting options for borrowers. Borrowers may need to shop around more extensively to find a lender that provides this option. Plus, they may have to be prepared to pay a higher interest rate than a comparable rate on a 30-year mortgage.

When shopping for home financing options, remember that the terms and conditions of a 40-year mortgage can vary significantly between lenders. Take your time comparing different loan options to ensure you get the best deal possible. Finding the right mortgage broker or lender could save you thousands in interest payments.

Who Should Consider a 40-Year Mortgage?

A 40-year mortgage is not suitable for everyone, but certain types of borrowers might find it beneficial based on their unique financial situations and long-term goals. Here are some groups of individuals who might consider a 40-year mortgage:

  • First-Time Homebuyers
    Buying your first home comes with financial hurdles that can be eased with a longer loan term, especially if you’re buying in an expensive real estate market. A 40-year mortgage can make homeownership more accessible by lowering the monthly payment, thus reducing the immediate financial burden. This can help first-time buyers get their foot in the door of the housing market.
  • Borrowers with Small Budgets
    Individuals or families with tight monthly budgets may benefit from the lower monthly payments of a 40-year mortgage. A lower monthly mortgage payment can make homeownership more accessible to those with financial constraints.
  • Investors Looking for Cash Flow
    Rental property investors might consider a 40-year mortgage on their investment if their goal is to maximize their monthly cash flow. Lower monthly mortgage payments can increase a property’s profitability or at least ensure that it breaks even each month.
  • Buyers in High-Cost Housing Markets
    A 40-year mortgage can make purchasing a home in an expensive real estate market more feasible. 40-year mortgages are increasingly sought in markets like LA, San Francisco, Seattle, Chicago, and New York.

40-year mortgages can help you buy a home, but borrowers need to evaluate their financial goals, budget, and long-term plans, as these loans can leave you more exposed to risk and ultimately cost you more.

Alternatives to a 40-Year Mortgage

Before signing up for a loan that extends half your lifespan, make sure that you consider alternative financing options so that you can decide what will work best for you today and years in the future. Some alternatives to a 40-year mortgage include:

An Adjustable-Rate Mortgage (ARM)

An ARM mortgage usually starts with a lower interest rate than fixed-rate mortgages. The lower rate is set for a designated period (5, 7, or 10 years) before it adjusts to market conditions. Therefore, buyers are gambling and hoping that market interest rates will be lower when their lower interest rate term expires than when they purchased.

Alternatively, they can consider refinancing once this period ends. ARMs are a good option for buyers who are renovating to add value (and plan to refinance in the future) or who don’t intend to stay in their homes beyond the lower interest period.

Interest-Only Loan

Interest-only loans allow borrowers to pay only the interest on the mortgage for a set period, typically 5 to 10 years. This results in lower initial monthly payments compared to traditional fixed-rate loans.

After the interest-only period ends, borrowers must start paying both principal and interest, which can lead to significantly higher payments. Like ARMs, interest-only options are suitable for those who don’t plan to stay in their home or who are looking to invest their saved cash flow in more profitable investments.

30-Year Fixed-Rate Mortgage

A 30-year fixed-rate mortgage remains one of the most common and popular home loan options. Borrowers can lock in their interest rate so they have a guaranteed payment amount over the life of the loan. This option suits borrowers who value stability and plan to stay in their homes for a long time.

Consult with a mortgage professional or financial advisor for personalized advice who can help you navigate the various options to determine the best fit for your situation.

Making the Right Choice for Your Future

Deciding on the right mortgage is a significant step in your homeownership journey. A 40-year mortgage offers the benefit of lower monthly payments, but it also comes with higher total interest costs and slower equity build-up.

It’s crucial to weigh these pros and cons against your financial goals and current budget. Consulting with a mortgage professional can provide valuable insights and help you determine if a 40-year mortgage or another loan option is best suited for your needs.

Ready to explore your mortgage options? FastExpert can connect you with top mortgage brokers and lenders in your area, ensuring you get the best advice and the most competitive rates. Start your journey towards finding the perfect mortgage for your dream home with Fast Expert.

Kelsey Heath

Kelsey Heath is a real estate content specialist with an extensive background in residential, industrial, and commercial property. She has been involved in the industry for a decade as a professional and personal investor, gaining a deep understanding of the market and trends. With a passion for written communication, Kelsey loves helping people understand the sometimes-complicated concepts behind real estate and is now a sought-out guest and ghostwriter.

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