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Choosing between a 15-year and 30-year mortgage is one of the biggest financial decisions you will make when buying a home. Each has real advantages — and the right choice depends on your income, goals, and how long you plan to stay.
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Key Differences at a Glance
| Feature | 15-Year Mortgage | 30-Year Mortgage |
|---|---|---|
| Monthly payment | Higher | Lower |
| Total interest paid | Much lower | Much higher |
| Interest rate | Lower (0.5-1% less) | Higher |
| Equity buildup | Fast | Slow |
| Flexibility | Less | More |
Side-by-Side Example: $240,000 Loan
- 30-year at 6.8%: $1,567/month | ~$324,000 total interest
- 15-year at 6.2%: $2,053/month | ~$130,000 total interest
- Monthly difference: $486 more per month for the 15-year
- Total interest savings: ~$194,000 with the 15-year
Benefits of a 15-Year Mortgage
- Lower interest rate: Lenders charge less because the loan pays off faster
- Massive interest savings: You accumulate far less interest over the life of the loan
- Faster equity: More of each early payment goes to principal
- Better for retirement: If you are in your 40s or 50s, a 15-year can be paid off before you retire
Benefits of a 30-Year Mortgage
- Lower required payment: Frees up monthly cash flow for investing or emergencies
- More flexibility: You can pay more when you have extra money, but you are not required to
- Qualify for more home: Lower payment may let you afford a more expensive property
- Invest the difference: If stock returns exceed your mortgage rate, investing the $486 difference can build more wealth
When to Choose a 15-Year
- The higher payment is comfortably under 28-30% of your gross monthly income
- You plan to stay in the home long-term
- You are approaching retirement and want to be mortgage-free
- You want to minimize total interest paid
When to Choose a 30-Year
- The 15-year payment would stretch your budget too thin
- You want maximum cash flow flexibility
- You plan to move within 7-10 years
- You are a first-time buyer still building your emergency fund
The Extra-Payments Strategy
Some advisors suggest taking a 30-year loan but making extra principal payments. This gives you the low required payment as a safety net while still paying down the loan faster. You can match the 15-year payoff schedule without being locked into the higher payment.
Frequently Asked Questions
Is a 15-year mortgage better than a 30-year?
If the higher payment is manageable, the 15-year is often the better financial choice. It saves a large amount of interest and builds equity much faster.
How much more do you pay on a 30-year vs 15-year mortgage?
On a $240,000 mortgage, roughly $194,000 more in interest over the life of the loan.
What are current 15-year mortgage rates?
As of May 2026, average 15-year fixed rates are approximately 5.8-6.4%. Thirty-year rates average about 6.5-7.2%.
Can I pay off a 30-year mortgage in 15 years?
Yes. Making extra principal payments accelerates your payoff without locking you into the higher required payment of a 15-year loan.
Should I refinance from a 30-year to a 15-year mortgage?
It can be smart if you can handle the higher payment and plan to stay long enough to recoup closing costs.
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Rates as of May 2026. Rates change frequently — check the lender’s site for the most current information.