"Can I Get South Dakota's Elderly and Disabled Assessment Freeze on a Home I Buy at 65 or Older?"

Say a ranch home off Sheridan Lake Road in Rapid City is listed, and its tax line has not moved in nine years. The seller, in this invented example, is 81. Every spring for nine years, she has carried her application into the Pennington County treasurer's office before April 1. You are 68, you are closing in June, and that frozen number is hers.

No, South Dakota's elderly and disabled assessment freeze does not come with the home. It belongs to the person who qualified for it, and the seller's frozen value ends with the sale. You apply on your own, through the county treasurer by April 1, after five years as a South Dakota resident and owner of an owner-occupied home, and 200 days living in this home the prior calendar year.

I'm Jeff Moran, a mortgage broker in Bluffton, South Carolina, originating since 1996, NMLS #483943, through C2 Financial Corporation, licensed in fifteen states, including South Dakota. I'd like to walk you through whose freeze this is, which April can be your first, and what belongs in your budget until then.

How does the South Dakota assessment freeze work?

The assessment freeze for the elderly and disabled is in chapter 10-6A of the South Dakota Codified Laws. The Department of Revenue's program page describes it plainly: the freeze keeps the home's value from rising for tax purposes, so if the value goes up, you keep paying tax on the earlier, lower value. It is for an owner who is 65 or older, or disabled as the Social Security Act defines it, who owns the home or holds a life estate in it. A life estate is the right to live in a home for the rest of your life after its title has been passed to someone else.

The freeze holds the assessed value. The levies still move each year, so the bill can still change a little.

The program runs through your county treasurer. Section 10-6A-4 makes it an annual application, due on or before April 1, and the treasurer helps you complete it if you ask. There are income limits and a value ceiling, and both move each year, so I am not going to print them here as if they were fixed. For the April 2026 application, Fall River County's notice listed household income under $56,595 for a single-member household and under $66,885 for a multiple-member household, on 2025 income, and a full and true value under $514,500. Full and true value is South Dakota's name for the county's assessed market value of the home. The same notice says the limits change every year, so please take the current ones from your treasurer or the Department of Revenue.

The seller's freeze ends with the sale

Every condition in the statute is written about the person applying: their age or disability, their income, their years in South Dakota, their days in the home. None of it is written about the parcel. Section 10-6A-2 grants the freeze to the person who applies and meets the conditions, on that person's own single-family dwelling. After closing, that person is you, and the seller's freeze leaves with her.

So the figure on the listing is the seller's bill with the seller's freeze inside it. After closing, the county bills the home in your name at its current full and true value, with nothing frozen. My article on what happens to your property taxes after you buy covers the general version of this.

The five-year condition, in the statute's own words

Senate Bill 216, signed in March 2025, changed this condition from one year to five. It rewrote the second condition in section 10-6A-2. The enrolled bill reads: "Has been an owner of an owner-occupied single-family dwelling and a resident of South Dakota for at least five years, unless the person has received the assessment freeze in the previous year."

The five years count years of being a South Dakota resident and years of owning an owner-occupied home. They do not have to be years in this home, and the home you count can be one you have since sold. The exception at the end protects anyone who already had the freeze last year.

Moving within South Dakota versus moving in from another state

If you are moving to South Dakota from another state, the residency half starts the day you become a South Dakota resident. The statute does not say whether years of owning a home in another state count toward the ownership half. The treasurer counts the years, so please ask that office how it will measure yours.

If you are moving within South Dakota and you have owned an owner-occupied home here for five years or more, the condition is already met. Selling your home in Sioux Falls to buy one in Rapid City does not restart it, because the statute counts your years as an owner rather than your years in one particular home. If you already have the freeze on the home you are selling, the exception covers you.

The 200-day condition decides which April is your first

The third condition in section 10-6A-2 is that you have lived in the single-family dwelling for at least 200 days of the previous calendar year. That one is about this home.

A client who moves in by about the middle of June has 200 days in the home before December 31, so the next April 1 application can carry it. A client who closes in August reaches 200 days only in the following year, so the first application that works is the April after next, a full year later than the June closing.

Section 10-6A-1 sets the base year value as the home's assessed value in the year you turned 65 or became disabled, or in a later year you choose. It also says you did not have to own the home in your base year. So on a home you buy at 70, the value the county holds can be this home's value back in the year you turned 65, even though it was not yours then. It can also be its value in a later year you choose. Your treasurer can tell you which year's value it will record.

The filing that comes first: owner-occupied classification

The owner-occupied classification is the filing that can lower your bill first. I wrote about it in when you have to certify your South Dakota home as owner-occupied. You file the Certification of Owner-Occupied Dwelling with your county Director of Equalization by March 15, and to use that filing you need to have owned and occupied the home before November 1 of the year before. The classification puts the home under the lower school tax rate, which the statute calls the school district general fund levy. If you close in June, your first certification is due the following March 15. The five-year condition uses the same words, "an owner of an owner-occupied single-family dwelling," so it is worth asking the treasurer whether that certification is part of how your years are counted.

Your escrow in year one is set on the full assessment

On the mortgage side, there is no freeze to budget yet. Fannie Mae's Selling Guide section B3-6-03 lists real estate taxes as part of the monthly housing expense, which is why the tax line is inside the payment I qualify you on. The lender projects it from the home's current full and true value and the current levies.

The escrow side is in how an escrow account collects for taxes and insurance. Your servicer, the company that collects your payment, re-runs the escrow once a year, so each smaller bill lowers the following year's collection. Social Security and retirement income on a mortgage covers how I read retirement income, and a retirement income over the treasurer's limit is a perfectly good income for the loan.

The steps, in the order I'd take them

1. Before you write the offer, I'd look the home up on the county's property search and read the full and true value. That is the value you will be billed on.
2. I'd call the county treasurer and ask three questions: whether the seller's bill includes the freeze, how the office counts your five years, and which April will be your first on this home.
3. You'll want to plan the escrow on the full assessment, and if the lender's projection and the treasurer's no-freeze figure are far apart, please tell me before closing so we can sort out which one is right.
4. You'll want to file the Certification of Owner-Occupied Dwelling by March 15 in the first cycle after you have owned and lived in the home before November 1. It goes to a different office on a different date from the freeze, and it is the filing that changes your bill first.
5. I'd put the freeze on a calendar for the first April that works, and once you are in, you'll re-apply every April. The Department of Revenue's brochure says the form is available from the courthouse or its website starting in January.

Mistakes that cost a new South Dakota owner a year or more

Budgeting from the listing's tax figure. That number may carry a freeze the seller held for nine years, and your bill is figured on the current full and true value with nothing frozen.

Counting five years from the wrong start. A client who rented in Sioux Falls for three years, and never owned a home before that, has three years of residency and none of ownership. Both halves need to reach five years, and the treasurer confirms how your county counts them.

Letting the classification wait because the freeze is years away. The March 15 certification is the first filing that can lower your bill, and leaving it unfiled keeps the home under the higher school tax rate.

An example of how the years line up

The numbers and dates below are made up to show the mechanism, and nothing here is a quote or a county figure.

A client, 67, sells in Minnesota and closes on May 20, 2026 on a home in Pennington County. Her sister, 72, has owned her home in Sioux Falls for twenty years with the freeze since 2019, and closes on a home in Rapid City on August 14, 2026.

The client from Minnesota, 67
Closing                                      May 20, 2026
Owner-occupied certification due             March 15, 2027
Days in the home during 2026                 226
Five years of residency and ownership        May 2031
  (if only South Dakota ownership counts)
First assessment freeze application          April 1, 2032
  (ask the treasurer whether April 1, 2031 counts)

The sister from Sioux Falls, 72
Closing                                      August 14, 2026
Five-year condition                          already met
Days in the new home during 2026             140
Days in the new home during 2027             365
First assessment freeze application          April 1, 2028

The escrow for the client from Minnesota is collected on the full bill in year one. Pennington County's treasurer notes that South Dakota property taxes are paid one year in arrears, so each bill that arrives is for the year before. Once the classification reaches a bill, in the year the county says it will, her servicer lowers the monthly collection after that smaller bill is paid. The sister's frozen value stays behind in Sioux Falls, and she starts over on the Rapid City home with her April 2028 application.

Your next step in South Dakota

If you are buying in South Dakota at 65 or older, or with a qualifying disability, the useful first step is seeing your own scenario with the full tax bill inside it. Run your numbers and you will see rates for your scenario, your debt ratio, and closing costs priced for South Dakota. No credit pull, no account, nobody calls you.

If you want a letter a seller will take seriously, a South Dakota pre-approval is where your retirement income and your credit get reviewed properly, and the South Dakota mortgage page covers what is different about a closing here. If you are selling one South Dakota home to buy another, buying before you sell covers carrying both. You are welcome to call me, and we can go over the county, the dates and the payment.

Nothing here is a loan approval, a denial, a commitment to lend, or tax or legal advice. Whether you qualify and how your county counts the five years are decided by your county treasurer under chapter 10-6A, so please confirm them with that office.

Common questions

Does the South Dakota assessment freeze transfer to the new owner when a home is sold?

No. Every condition in section 10-6A-2 is about the applicant, from age or disability and household income to the five years of residency and ownership and the 200 days in the home. The seller's freeze ends when the seller no longer owns the home, and the new owner applies through the county treasurer for their own frozen value.

How long do you have to live in South Dakota to get the elderly and disabled assessment freeze?

Five years, as of the 2025 change. Senate Bill 216 rewrote section 10-6A-2 so that the applicant "has been an owner of an owner-occupied single-family dwelling and a resident of South Dakota for at least five years," and a person who received the freeze in the previous year is excused from that test. They do not have to be five years in the home you are applying on.

Can I apply for the South Dakota assessment freeze the first April after I buy?

Only if you meet every condition by then, and the 200-day condition is the usual holdup. You need to have lived in this home for at least 200 days of the previous calendar year. A closing by about the middle of June supports an application the next April 1, and a later closing supports the April after. You also need the five years of residency and owner-occupied ownership, or the freeze in the previous year.

Does the assessment freeze lower my mortgage payment right away?

No. The lender sets your escrow from the home's current full and true value and the current levies, because you have not applied and the seller's freeze ended at the sale. Once a smaller bill is paid, your servicer lowers the following year's escrow collection at its annual analysis.

Is the assessment freeze the same as owner-occupied classification in South Dakota?

No. They are two different programs run by two different county offices on two different dates. The owner-occupied classification is a certification filed with the Director of Equalization by March 15, and it puts the home under the lower school tax rate. The assessment freeze is an annual application filed with the county treasurer by April 1, and it holds the home's assessed value for an owner who meets the conditions in chapter 10-6A.