Mortgage Refinance for South Dakota (2026)
South Dakota (SD) Key Facts
Average Refinance Closing Costs
$4,350
Break Even Period ( Months)
19
Typical Current Balance
$217,500
Current Average Rate
7.25%
New Average Rate
6.25%
How This Calculator Works in South Dakota
This mortgage refinance calculator helps you determine whether refinancing your South Dakota home loan makes financial sense. Enter your current loan balance, interest rate, and the new rate you have been offered to see your monthly savings, total interest savings, and break-even timeline. It is pre-loaded with South Dakota-specific closing cost estimates to give you an accurate picture.
South Dakota Overview
Refinancing a mortgage in South Dakota can lower your monthly payment, reduce total interest, or let you access home equity. Typical refinance closing costs run 2-5% of the loan balance. South Dakota does not require an attorney for a refinance closing. Since South Dakota has no state income tax, the federal mortgage interest deduction is often even more impactful for South Dakota homeowners who itemize.
How South Dakota Compares
Refinance costs in South Dakota are broadly similar to nearby states, with closing costs averaging about 2% of the loan balance. In North Dakota, a typical refinance balance is $187,500 with costs of about $3,750. The primary difference between states is the loan amount (driven by home values), which directly affects the dollar amount of closing costs and monthly savings.
| State | Top Rate | Notes |
|---|---|---|
| North Dakota | $3,750 | Typical refinance balance of $187,500 with closing costs of approximately $3,750. Median home price is $250,000. |
| Nebraska | $3,900 | Typical refinance balance of $195,000 with closing costs of approximately $3,900. Median home price is $260,000. |
| Minnesota | $4,950 | Typical refinance balance of $247,500 with closing costs of approximately $4,950. Median home price is $330,000. |
In South Dakota, a typical refinance involves a balance of about $217,500 (based on the median home price of $290,000 at 75% LTV). Refinance closing costs average approximately $4,350, or about 2% of the loan balance. At current rates, refinancing from 7.25% to 6.25% could save approximately $233 per month, with a break-even period of about 19 months.
Tips for South Dakota Residents
- 1Before refinancing in South Dakota, calculate your break-even point: divide total refinancing costs by your monthly savings. If you plan to stay in the home longer than the break-even period, refinancing likely makes sense.
- 2Closing costs on a refinance in South Dakota typically run 2-5% of the loan balance. On a $232,000 loan, that is $4,640-$11,600. Some lenders offer no-closing-cost refinances that roll fees into the rate.
- 3Since South Dakota has no state income tax, the federal mortgage interest deduction is often even more impactful for South Dakota homeowners who itemize.
- 4You do not need an attorney for a refinance in South Dakota, though one can review documents if you have concerns about the terms.
- 5Compare at least three lender offers in South Dakota. Even a 0.125% rate difference on a $232,000 loan saves roughly $8,700 over 30 years.