Loan Products · February 16, 2025
Fixed-Rate Mortgages Explained: How They Work and When to Choose One
Fixed-rate mortgages are the most popular loan type in America. Here is how they work, why they offer payment certainty, and when they are the right choice.
The fixed-rate mortgage locks your interest rate for the entire loan term — typically 10, 15, 20, or 30 years. Your principal and interest payment never changes.
What Is Fixed and What Can Change
Fixed: your principal and interest payment. Can change: property taxes (adjusted by local government annually) and homeowners insurance (adjusted at renewal).
How Amortization Works
Each payment splits between interest and principal. Early payments are mostly interest. Over time the principal portion grows.
On $300,000 at 7.0% (30 years): Month 1 = $1,750 interest, $246 principal. Month 360 = $12 interest, $1,984 principal.
This front-loading of interest is why resetting the clock with a refinance or new purchase affects your total interest paid significantly.
Fixed vs. Adjustable: The Key Trade-Off
Fixed rates offer certainty at a premium. ARMs offer lower initial rates with future uncertainty. In most conditions the 30-year fixed carries a premium of 0.5-1.5% over comparable ARMs.
When Fixed-Rate Is the Clear Choice
You plan to stay 7+ years, value payment predictability over initial savings, or rates are historically low or moderate.
Available Terms
30-year: lowest payment, most interest. 20-year: meaningful middle ground. 15-year: fastest payoff, significant rate discount. 10-year: aggressive payoff for strong cash flow.
HMS offers all fixed-rate terms through multiple wholesale lenders. Call 309-222-8286.