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30-Year Fixed Jumbo Mortgage Refinance Interest Rates in Rapid City, SD

Explore 30-year jumbo mortgage interest rates in Rapid City, SD over time.

South Dakota Current Interest Rate: 6.58% · National Avg: 6.633%

Timeframe

30-jumbo Year Fixed Mortgage Interest Rates

Daily refinance averages provided by the Mortgage Research Center.


Compare mortgage rates in Rapid City, South Dakota

Showing results for: 30-Year Fixed refinance offers for Single Family or Townhome properties in SD, total loan amount of $800,000.

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ICB

Rate data provided by RateUpdate.com. Displayed by ICB, a division of 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


Should I Refinance My Jumbo Mortgage in Rapid City's Hot Market with 13.5% Appreciation?

With $Rapid City's strong 13.5% appreciation rate and median home values at $206,700, homeowners have likely built substantial equity. For jumbo mortgages (loans exceeding $806,500), refinancing when rates drop by 0.75-1% or more typically makes financial sense. On a $165,360 jumbo loan, refinancing from 7% to 6% saves $109/month ($1,308/year). With jumbo refinance closing costs around $4,134, you'd break even in 38 months. The rapid equity growth in Rapid City also creates opportunities for jumbo cash-out refinancing to access built-up wealth.

How Much Can I Save Refinancing a Jumbo Loan in Rapid City?

The savings on jumbo refinances are substantial due to large loan amounts. For a typical $165,360 jumbo loan in Rapid City (80% LTV on $206,700 median homes), reducing your rate from 7% to 6% saves $109 monthly. Over the 30-year life, that's $39k in total interest savings. Even after $4,134 closing costs (2.5% of loan amount), you're ahead after just 38 months. In Rapid City's hot market with 13.5% annual appreciation, homeowners typically refinance when equity gains justify eliminating PMI or accessing cash for improvements.

What Are Jumbo Cash-Out Refinance Options in Rapid City?

Rapid City's 13.5% appreciation creates significant equity-access opportunities through jumbo cash-out refinancing. If your home appreciated to $206,700 and you tap 20% equity ($41,340), your new loan becomes $206,700 at approximately 6.5% (cash-out rates typically run 0.25-0.5% higher). Monthly payment: $1,306. Jumbo cash-out proceeds are commonly used for investment properties, major renovations, debt consolidation, or business ventures. With Rapid City's property taxes at 1.31% ($226/month), factor PITI into affordability calculations when refinancing.

Do Jumbo Refinance Rates in Rapid City Differ from Conforming Rates?

Yes. Jumbo loans in Rapid City (any loan exceeding $806,500) typically carry rates 0.25-0.75% higher than conforming loans due to increased lender risk. However, borrowers with excellent credit (740+), low debt-to-income ratios (under 43%), and substantial reserves (6-12 months) can secure competitive jumbo rates. For Rapid City's median home value of $206,700, an 80% LTV loan ($165,360) is near the jumbo threshold. Shop multiple lenders-portfolio lenders and credit unions sometimes offer better jumbo refinance rates than big banks. Rate differences compound over time: 0.5% higher on $165,360 costs ~$54/month extra.

What Are the Tax Implications of Jumbo Refinancing in Rapid City?

Jumbo refinance interest remains tax-deductible up to the first $750,000 of mortgage debt ($375,000 if married filing separately). For Rapid City homeowners with $165,360 jumbo loans, interest on the excess amount isn't deductible. However, with Rapid City's 1.31% property tax rate ($226/month on median homes), combined property tax and mortgage interest deductions can still significantly reduce taxable income. Cash-out refinance proceeds are generally not taxable as income. If using cash-out funds for home improvements, that interest may also be deductible. Consult a tax professional to optimize your Rapid City jumbo refinance strategy, especially given the $206,700 median home values and high loan amounts involved.

Related Rapid City Mortgage Rates

30-Year Refinance Rates in Rapid City

View 30-year fixed mortgage rates and long-term refinance options


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