Could an Adjustable-Rate Mortgage Help You Buy in South Jersey? What Mount Laurel, Moorestown, Medford and Marlton Buyers Should Know
Quick answer: An adjustable-rate mortgage (ARM) can lower your payment for the first several years. In late October 2026, the average 5/1 ARM rate was about a point below the 30-year fixed rate. It's a good fit if you expect to move, refinance or pay down the loan before the fixed period ends. It's riskier if you plan to stay put, because your rate can rise after the intro period.
Key Takeaways
- On October 29, 2026, the average 5/1 ARM rate was 6.26% versus 7.31% for a 30-year fixed, according to Bankrate.
- The gap shrinks on APR, which includes fees: 6.92% for the ARM vs. 7.38% for the fixed (Bankrate).
- ARMs made up 11.3% of mortgage applications in the week ending October 23, 2026, according to the Mortgage Bankers Association.
- Lenders must check that you can afford the payment at the loan's fully indexed rate, not just the intro rate (CFPB).
Why Are More Buyers Looking at ARMs?
The gap between ARM and fixed rates is wide enough to matter. Bankrate's October 29 averages put a 5/1 ARM at 6.26% and a 30-year fixed at 7.31%. The MBA reported that ARMs accounted for 11.3% of applications in the week ending October 23, about one in nine borrowers.
For buyers stretching to afford a Mount Laurel townhome or a single-family home in Moorestown or Medford, that difference can decide whether a home fits the budget.
How Does an Adjustable-Rate Mortgage Work?
An ARM starts with a fixed rate for a set period, then adjusts on a schedule.
- 5/1 ARM: fixed for five years, then adjusts once a year.
- 5/6 ARM: fixed for five years, then adjusts every six months. This is now a common structure.
- 7/1 or 7/6, 10/1 or 10/6: longer fixed periods, usually at slightly higher starting rates.
After the fixed period, your rate is set by an index plus a margin. Caps limit how much it can rise, usually at the first adjustment, at each later adjustment, and over the life of the loan. Always ask your lender for the exact cap structure in writing.
What Could an ARM Save You?
Here's an illustration using Bankrate's October 29, 2026 national averages on a $400,000, 30-year loan (principal and interest only):
| 30-year fixed at 7.31% | 5/1 ARM at 6.26% | |
|---|---|---|
| Monthly principal and interest | About $2,745 | About $2,465 |
| Monthly difference | — | About $280 less |
| Savings over the 5-year fixed period | — | About $16,800 |
And here's the other side. After five years, you'd still owe about $373,400 on the ARM. If the rate rose 2 points at the first adjustment (to 8.26%), the payment would jump to about $2,950. If it eventually hit a 5-point lifetime cap (11.26%), it could reach about $3,730.
These are illustrations, not quotes. Taxes, insurance and your actual rate will differ. Try your own numbers in our mortgage calculator.
When Does an ARM Make Sense?
An ARM may be a fit if: - You expect to sell or move within the fixed period, for example with a planned job change or a starter home - You plan to refinance if rates fall, and you can afford the payment if they don't - You expect your income to rise or plan to pay down principal early
A fixed rate may be the better choice if: - You plan to stay in the home long-term - A payment increase would strain your budget - You value predictability over a lower starting payment
Is an ARM Safer Than It Was Before 2008?
In one important way, yes. Under the federal ability-to-repay rule, lenders must check that you can afford the payment at the fully indexed rate or the intro rate, whichever is higher (CFPB). That doesn't remove the risk of a higher payment later, but it does mean you have to qualify for it today.
Frequently Asked Questions
Is an adjustable-rate mortgage a good idea right now? It can be if you expect to move or refinance within the fixed period. On October 29, 2026, 5/1 ARMs averaged 6.26% versus 7.31% for 30-year fixed loans, according to Bankrate. If you plan to stay long-term, a fixed rate removes the risk of a higher payment.
What is the difference between a 5/1 ARM and a 5/6 ARM? Both are fixed for five years. A 5/1 ARM adjusts once a year after that, and a 5/6 ARM adjusts every six months.
How high can an ARM rate go? It depends on the loan's caps. Most ARMs limit the first adjustment, later adjustments and the total lifetime increase. Ask your lender for the cap structure and the highest possible payment before you commit.
Do I have to qualify at the higher rate for an ARM? Generally, yes. Federal rules require lenders to assess your ability to repay using the fully indexed rate or the intro rate, whichever is higher.
Weighing an ARM for your next home?
Talk with Stan and Jacki about buying in Mount Laurel, Moorestown, Medford or Marlton. We can connect you with trusted local lenders to compare both options side by side. Start your search on our buyer page, or explore Mount Laurel · Moorestown · Medford · Marlton.
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