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What's the difference between a 15-year and 30-year refinance?

Financial Toolset Team5 min read

A 30-year refinance offers lower monthly payments and more cash flow flexibility. A 15-year refinance has higher payments but saves massive interest and builds equity faster. Example on $400k loan:...

What's the difference between a 15-year and 30-year refinance?

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Understanding the Difference Between a 15-Year and 30-Year Refinance

Refinancing your mortgage can be a savvy financial move, potentially lowering your interest rate and monthly payments or reducing the term of your loan to save on interest costs. However, choosing between a 15-year and a 30-year refinance can be challenging. Both options offer distinct advantages and disadvantages, and the right choice depends on your financial situation and long-term goals.

Main Explanation

Interest Savings

One of the most significant differences between a 15-year and a 30-year refinance is the amount of interest you'll pay over the life of the loan. Typically, a 15-year refinance offers a lower interest rate—often about 0.5% to 1.0% less than a 30-year refinance. This lower rate, coupled with a shorter term, means you pay significantly less interest.

For instance, if you have a $400,000 mortgage and refinance to a 15-year loan at 5.5%, you'll pay approximately $247,000 in interest over the term. In contrast, a 30-year refinance at 6.5% would result in around $558,000 in interest. That's a saving of $311,000 with the 15-year option.

Cash Flow Impact

The primary trade-off for reducing interest costs with a 15-year refinance is higher monthly payments. Typically, these payments can be 30-50% higher than a 30-year refinance. For many homeowners, the increased payment can strain monthly budgets.

For example, the monthly payment on a $400,000 loan at 6.5% for 30 years is about $2,661. Switching to a 15-year term at 5.5% raises the payment to approximately $3,595. This $934 increase may not be feasible for everyone.

Equity Building and Flexibility

A 15-year refinance builds equity faster, as more of each payment goes toward the principal rather than interest. This can be appealing if you aim to own your home outright sooner. However, the 30-year option provides greater flexibility, offering lower minimum payments while allowing for extra payments to be made when financially feasible.

Qualification and Costs

Qualifying for a 15-year refinance might require a higher income or a lower debt-to-income ratio, as lenders assess your ability to handle the increased payments. Additionally, both refinancing options involve closing costs, so it's crucial to ensure that the potential savings justify these expenses.

Real-World Examples or Scenarios

  • Scenario 1: A homeowner with a $300,000 mortgage at 7% could refinance to a 15-year term at 5.5%. The monthly payment would increase from about $2,000 to $2,400, but the homeowner would save over $150,000 in interest and pay off the loan 15 years sooner.

  • Scenario 2: Conversely, a retiree might opt for a 30-year refinance to access cash for home improvements, favoring lower monthly payments over total interest savings.

Common Mistakes or Considerations

Bottom Line

Choosing between a 15-year and a 30-year refinance depends on your financial circumstances and goals. If paying less interest and building equity quickly aligns with your priorities and budget, a 15-year refinance might be ideal. However, if you prefer lower monthly payments and greater flexibility with your cash flow, a 30-year refinance could be the better choice. Always consider consulting with a financial advisor to evaluate your specific situation and make the most informed decision.

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A 30-year refinance offers lower monthly payments and more cash flow flexibility. A 15-year refinance has higher payments but saves massive interest and builds equity faster. Example on $400k loan:...
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