South Dakota Home Loans 2026 — Complete Guide
South Dakota offers up to 5% in SDHDA down payment assistance, plus why property tax rates swing more than fivefold between its counties.
The number people miss: South Dakota's effective property tax rate swings more than fivefold across its 66 counties — from around 0.44% in Oglala Lakota County to over 2.2% in Todd County. A statewide average tells you almost nothing about what you'll actually pay; the county matters far more here than in most states.
South Dakota Down Payment Assistance — SDHDA Programs
The South Dakota Housing Development Authority (SDHDA) offers down payment help through its Fixed Rate Plus option, paired with an SDHDA first mortgage.
SDHDA Down Payment Programs
3% or 5% — the tradeoff is your rate: Choosing the higher 5% assistance tier typically comes with a slightly higher interest rate on your first mortgage than the 3% tier. Both come as a 0% interest second mortgage with no monthly payment, repayable when you sell or refinance — not a forgivable grant.
The Governors' House Program is a different kind of help: Rather than cash assistance, SDHDA offers income-qualified buyers a subsidized, factory-built home (1,008 to 1,200 square feet), constructed in part through a state workforce program. It's not traditional DPA, but it can substantially lower the total cost of homeownership for eligible rural buyers.
New for 2026 — manufactured home DPA: House Bill 1113, passed in the 2026 legislative session, establishes new down payment assistance specifically for manufactured homes, expanding SDHDA's reach to a housing type not previously well-served by state DPA. Ask your lender whether this option applies to your purchase.
Eligibility & Income Limits
SDHDA programs are open to first-time and repeat buyers, with a minimum credit score around 620 and household income under limits that vary by household size.
Confirm your exact income limit and current program terms at SDHousing.org before applying.
Current Rates
| Product | Rate | Source |
|---|---|---|
| 30-yr Conventional | 6.55% | Freddie Mac PMMS, week of July 16, 2026 |
| 15-yr Fixed | 5.93% | Freddie Mac PMMS, week of July 16, 2026 |
| SDHDA first mortgage | Competitive, no origination fee | Confirm current rate with an SDHDA-approved lender |
2026 Loan Limits — Nearly Flat Statewide
South Dakota has 65 of its 66 counties at the national FHA floor, with only Lawrence County (Black Hills, Deadwood area) slightly elevated.
| Loan Type | 65 Standard Counties | Lawrence County |
|---|---|---|
| FHA | $541,287 | $541,650 |
| Conventional (Conforming) | $832,750 statewide | |
| VA | No county limit for buyers with full entitlement | |
Confirm current limits at HUD.gov, though South Dakota has held nearly flat statewide limits for several years running.
Property Tax in South Dakota
What Buyers Should Budget For
South Dakota funds local government primarily through property tax, since the state levies no income tax at all — a tradeoff that keeps overall tax burden low for most residents but places more weight on the property tax line specifically. Rates vary dramatically by county rather than following a predictable statewide pattern, so always check the specific county rather than budgeting off a statewide average. Homeowners 65 or older or disabled, who've owned an owner-occupied home in South Dakota for at least 5 years and lived there 200+ days a year, can apply for the Assessment Freeze for the Elderly and Disabled by April 1 each year, which locks in their assessed value so future increases don't apply, provided the home's value stays under $514,500 and household income stays under roughly $56,595 (single) or $66,885 (multi-person). Sioux Falls, Rapid City, and a few other municipalities also offer additional local refund programs on top of the statewide options.
Pick Your Loan Type
Are you a teacher, nurse, firefighter, police officer, EMT, or veteran? South Dakota may run additional hero-specific loan programs on top of the general SDHDA options covered here. Browse the Hero Home Loan Programs hub and select South Dakota for profession-specific options.
Frequently Asked Questions
Bottom Line: South Dakota combines no state income tax with generally affordable home prices, and SDHDA's Fixed Rate Plus program meaningfully lowers upfront cash needs for both first-time and repeat buyers. Property tax genuinely depends on the specific county you're buying in, so check local rates directly rather than relying on any statewide figure.
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