Is a 15-year rate lower than a 30-year?

Usually somewhat lower, because the lender is taking on less duration risk. The larger saving, though, comes from paying interest for half as long rather than from the rate itself.

Should I take a 15-year or pay extra on a 30-year?

It is a real trade-off. A 15-year typically gets you a lower rate but commits you to the higher payment. Paying extra on a 30-year keeps the required payment low if your circumstances change, at a slightly higher rate. Neither is automatically right.

Will the higher payment affect what I can qualify for?

Yes. A 15-year payment is considerably higher, which reduces the loan amount you can support on the same income. That is often the deciding factor for buyers.

15-year fixed

Half the term, considerably less interest

A 15-year mortgage costs less overall and usually carries a lower rate. The trade-off is a payment that is much higher, and required, not optional.

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Often considered by

Borrowers who can carry a higher payment

Worth weighing

A higher monthly payment than a 30-year term

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How a 15-year mortgage works

The structure is identical to a 30-year fixed. A rate set at closing that does not change, compressed into half the time. Because the principal is repaid twice as fast, far less interest accrues over the life of the loan.

Lenders also price shorter terms slightly lower, since they are exposed to fewer years of uncertainty. But the bigger saving comes from the shorter term itself, not the rate.

What you get, and what it costs

Potential advantages

Substantially less total interest
Equity builds quickly from the start
Typically a lower rate than a 30-year
Owned outright in half the time

The trade-off

The monthly payment is considerably higher, not a little higher. That reduces the loan amount your income can support, which for many buyers decides the question before preference does.

And it is required every month. A 30-year loan you overpay voluntarily can be dialled back if things change. A 15-year commitment cannot.

15-year compared with 30-year

Feature	15-year fixed	30-year fixed
Monthly payment	Considerably higher	Lower
Total interest	Much less	More
Rate	Typically lower	Typically slightly higher
Equity build-up	Fast from the start	Slow in the early years
Loan amount supported	Smaller on the same income	Larger
If income drops	Payment is still required	Extra payments can stop

15-year fixed

Monthly payment: Considerably higher
Total interest: Much less
Rate: Typically lower
Equity build-up: Fast from the start
Loan amount supported: Smaller on the same income
If income drops: Payment is still required

30-year fixed

Monthly payment: Lower
Total interest: More
Rate: Typically slightly higher
Equity build-up: Slow in the early years
Loan amount supported: Larger
If income drops: Extra payments can stop

15-year, or overpay a 30-year?

This is the real decision for most people who can afford either. There is no universally correct answer. It depends on how much you value flexibility.

Take the 15-year

You get the lower rate, and the commitment enforces the discipline. Best when the payment is comfortable and your income is stable and predictable.

Take the 30-year and overpay

A slightly higher rate, but the required payment stays low. If income changes or an emergency arrives, you simply stop overpaying. That optionality has genuine value, and it is not usually priced into the comparison.

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