Logo

Refinance Tools

Interest Rates

15-Year Fixed Mortgage Refinance Interest Rates in Sioux City, IA

Explore 15-year fixed mortgage refinance rates in Sioux City, IA over time.

As of Sep 8, 2026
Iowa Avg

5.948%5.95%

0.00% · 1wk
National Avg

5.956%5.96%

0.00% · 1wk

Timeframe

Daily refinance averages provided by the Mortgage Research Center.


Compare mortgage rates in Sioux City, Iowa

Showing results for: 15-Year Fixed refinance offers for Single Family or Townhome properties in IA, total loan amount of $228,000.

LenderAPR / RateMonthly Payment
Mortgage Rate Company

Rate data provided by RateUpdate.com. Displayed by Mortgage Research Center, NMLS #1907, Equal Housing Opportunity. Rates and fees are estimates and subject to change without notice. Payments do not include taxes and insurance premiums. Actual payments may be higher. Not all lenders participate in this marketplace. Loan availability and terms may vary by state and lender. Lender offers, including badges like “Lowest APR” or “Lowest Payment,” are based only on results displayed here and may not reflect the absolute lowest offer available in the market. Rate and product details


What refinancing looks like in Sioux City at today's rates

The median home in Sioux City costs about $219,600. Refinancing a typical balance of $175,680 (80% of that value) at today's average 15-year fixed rate in Iowa of 5.95% works out to roughly $1,478/month in principal and interest, with $90,280 of total interest over the 15-year term.

Here is how the monthly payment and break-even point change if you wait for (or negotiate) a lower rate, assuming closing costs of $4,392 (2.5% of the loan):

RateMonthly P&IMonthly savingsBreak-even
5.95% (today)$1,478
5.70% (−0.25%)$1,454$24/mo183 months
5.45% (−0.50%)$1,431$47/mo94 months
5.20% (−0.75%)$1,407$71/mo62 months
4.95% (−1.00%)$1,385$93/mo48 months

Estimates use principal and interest only and today's average Iowa rate; they exclude taxes, insurance, and rate differences from credit score or loan size.

Weighing the term itself? At today's Iowa average 30-year fixed rate of 6.83%, the same $175,680 balance costs $1,149/month over 30 years — $329/month less than the 15-year fixed option, at the cost of $147,740 more interest over the life of the loan.

How Much Interest Can I Save with a 15-Year Refinance in Sioux City?

Substantial savings in Sioux City's stable market. Refinancing $175,680 from 30-year at 7% to 15-year at 6.5% cuts total interest from $245k to $100k-saving $145k over the loan's life. You'll pay more monthly ($361 increase), but every extra dollar goes to principal, not interest. With Sioux City's 3.2% steady appreciation, you'll own your home outright in 15 years with significant equity gains from both paydown and market growth.

Should I Refinance to 15-Year or Stay in 30-Year in Sioux City?

Refinance to 15-year in Sioux City if you can comfortably afford $361/month more. Your total PITI payment (including $287/month property tax at 1.57%) rises from $1,606 to $1,967. Benefits: $145k interest savings, debt-free in 15 years, forced savings plan. Stay in 30-year if: you prefer payment flexibility, invest extra cash at higher returns, or want emergency fund cushion. With Sioux City's 3.2% appreciation, both options build equity.

What's My Break-Even on a 15-Year Refinance in Sioux City?

Break-even analysis differs for 15-year refis. With $4,392 closing costs and $145k total interest savings, you "profit" as long as you keep the loan beyond 5 months. However, the real value isn't monthly cash flow-it 's accelerated equity. In Sioux City, each year of a 15-year mortgage builds approximately $115,949 in principal equity plus $7,027 in market appreciation. You're debt-free 15 years faster.

Can I Afford a 15-Year Refinance in Sioux City?

Calculate your debt-to-income ratio. Lenders prefer DTI below 43% for 15-year mortgages. On Sioux City's $219,600 median home, your $1,530/month P&I plus $287 property tax plus $150 insurance = $1,967total. To qualify comfortably, you'd need household income around $84,300/year (assuming 28% housing ratio). Benefits if you qualify: own home in 15 years, $145k interest savings, rapid equity building in Sioux City's 3.2% appreciation market.

Accelerate Equity with a 15-Year Refinance in Sioux City

Refinancing relies heavily on your Loan-to-Value (LTV) ratio.

Once your principal payments and market growth push your LTV under 80%, refinancing into a standard Conventional loan will permanently remove your FHA mortgage insurance premium.

Property Tax Tip for Sioux City Homeowners

Because property taxes are reasonable, your primary focus should be lowering your core interest rate to maximize your monthly savings and improve your cash flow.

Hero & Housing Programs for Sioux City

The Iowa Finance Authority (IFA) provides excellent support. Check out their conventional loan products, which often provide better long-term value than standard FHA offerings if your credit score has improved.

How Sioux City compares across Iowa

Median home prices vary widely across Iowa, which changes what a typical refinance costs. Here is the estimated monthly principal and interest on a median-priced home (80% loan-to-value) at today's average 15-year fixed rate of 5.95%:

CityMedian home priceEst. monthly P&Ivs. Sioux City
Sioux City$219,600$1,478
Iowa City$226,300$1,523+$45/mo
Waterloo$173,500$1,167−$311/mo
Des Moines$275,000$1,850+$372/mo

Estimates use each city's median home price with the same statewide average rate; actual quotes vary by lender, credit profile, and loan size.