Today's Refinance Rates in South Dakota

What Affects Home Refinance Rates in South Dakota

South Dakota home refinance rates reflect national lending markets rather than rates set by state borders. Your credit profile, loan-to-value, loan structure, property details and occupancy can affect the pricing offered on a replacement mortgage.

A refinance quote in Sioux Falls can differ from a purchase quote for the same borrower because the purpose and structure of the replacement loan are different. Compare the proposed new mortgage with the loan you already have.

The interest rate is the percentage charged for borrowing the principal. The annual percentage rate, or APR, is a broader annualized measure that includes the interest rate plus certain loan costs.

If you are buying instead, compare South Dakota mortgage rates.

Types of Refinances Available in South Dakota

South Dakotans comparing refinance rates can start with a rate-and-term refinance, which replaces the existing mortgage without taking cash out of the property. The replacement loan can change the rate, term or both.

A new rate or repayment term can change your monthly payment. How long you expect to keep the replacement mortgage is part of deciding when refinancing makes sense.

Compare how much a refinance costs with the individual expenses in a refinance closing cost breakdown.

If your credit profile has changed since you obtained the current mortgage, refinancing with bad credit can affect the pricing and options available.

Private mortgage insurance can also factor into the comparison. Review the conditions for refinancing to remove PMI if that cost is part of your current payment.

FHA and VA Refinance Options in South Dakota

South Dakota homeowners with an existing FHA- or VA-backed mortgage may have refinance options tied to the program already in place.

For an existing FHA mortgage:

• An FHA streamline refinance is for borrowers who already have an FHA loan and want a lower rate or different term with reduced documentation.

• An FHA simple refinance also replaces an existing FHA mortgage with a new FHA loan, but it involves a new appraisal and full credit review. The streamline reduces documentation while the simple refinance does not.

Timing rules can affect how soon you can refinance an FHA loan. Another route is refinancing an FHA loan to a conventional loan.

For an existing VA-backed mortgage:

• The VA Interest Rate Reduction Refinance Loan, or IRRRL, is for borrowers whose current mortgage is already VA-backed and who want a lower rate or change of term. Review what an IRRRL is and how many times you can use an IRRRL.

• Appraisal treatment can differ on government-backed refinances. Review appraisals on government-backed refinances when comparing the available routes.

The VA does not impose a loan limit for eligible borrowers with full entitlement. Lenders may still apply their own underwriting and loan-size requirements.

Every South Dakota county uses the same $832,750 one-unit conforming limit for 2026. A new one-unit refinance balance above $832,750 falls into the jumbo category anywhere in South Dakota.

South Dakota Refinance Payment Examples By Rate

South Dakota's refinance examples use new loan balances up to $800,000, which remains below the statewide $832,750 one-unit conforming limit that applies across all 66 counties. The table shows the supplied principal-and-interest payments for 30-year fixed replacement mortgages. Use the refinance break-even calculator to compare refinance costs with expected monthly savings.

The figures cover principal and interest only. Property taxes, homeowners insurance, mortgage insurance, association fees and closing costs are not included.

Refinance rate pages are also available for the nearby states, including:

• Minnesota refinance rates
• Montana refinance rates
• Nebraska refinance rates

South Dakota Refinance FAQs

When does refinancing make sense in South Dakota?

Compare the rate on the mortgage you already have with the proposed replacement loan, how long you plan to keep it and the cost of refinancing against the expected monthly savings. Those factors determine whether the transaction has enough time to recover its upfront costs.

What is the difference between an FHA streamline and
an FHA simple refinance?

Both are for borrowers who already have an FHA loan. An FHA streamline refinance reduces documentation, while an FHA simple refinance involves a new appraisal and full credit review.

Can I refinance a VA loan in South Dakota?

Yes. An IRRRL is an option when the current mortgage is VA-backed. Eligibility and lender requirements apply.

Where can I find information about South Dakota housing
assistance programs?

The South Dakota Housing Development Authority is the state source for information about the programs it offers, who qualifies and how to apply. State housing agency programs are generally aimed at buyers rather than refinancing homeowners.