Union County, South Dakota Land For Sale (12 results)
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AcreValue offers multiple types of land for sale in Union County, so if you’re looking for a new ranch, farm, recreational property, hunting ground, developmental property, or land investment you’ve come to the right place. Regardless of what your needs or objectives are for your land, we have a large inventory of available parcels that are updated regularly. Therefore, it’s very likely that we have the perfect parcel that meets all the search criteria & specifications that you’ve been searching for. Additionally, because our land for sale listings are always being updated due to the frequency of land being sold or new land listings being put on the market, make sure that you are checking back with AcreValue regularly for updates. When you find the perfect land parcel and you are ready to take the next steps you can easily connect directly with the listing agent to help you facilitate your land purchase. Browse AcreValue's South Dakota land for sale page to find more potential opportunities in South Dakota that fit your needs. We wish you the best of luck in finding your next ranch, farm, recreational property, hunting ground, developmental property, or land investment.
03/09/2026
$625,000
0.73 ac.
ACTIVE
Union County - 875 E Sawgrass Trail, Dakota Dunes, SD
Discover this well-maintained ranch-style home offering 5 bedrooms, 3 full bathrooms, and approximately 3,520 sq. ft. of finished living space. Situated on a spacious lot in a cul-de-sac, the property features an open-concept main level with granite countertops throughout the home. It also offers 8' solid core panel doors, solar tubes, many ceiling fans, maple cabinets, and pullout base cabinets. The lower level includes a finished basement with two bedrooms, a full bath, and ample space for additional living, recreation, or home office needs. Basement also has unfinished 588' storage room with all utilities, plenty of room! Outside, enjoy nearly 3/4 of an acre with a fenced yard- ideal for outdoor activities and added privacy. Located in a low-traffic area, this property combines functionality, space, and comfort. Schedule a tour to see all this home to offer. Room sizes may vary. HOA $90 per quarter.
Copyright © 2026 Northwest Iowa Regional Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
02/02/2026
$210,000
3.07 ac.
ACTIVE
Union County - 48220 332 St., Jefferson, SD
Acreage ready for your dream lifestyle! This fully fenced property is ideal for horses, any type of livestock, or any agricultural venture. It consists of 100x270 arena area, 3 stock pens (60x120) (95x140) (100x160). Alleyways are 20', 4 hydrants, 2 heated auto waters, both on concrete pads. Also, 50 ft. round pen and 1.0 acre paddock. It's set up for RV camper with 30-50 amp. Plenty of electric throughout the pens. Everything is 2-3 yrs old. It also has a designated building site for your new home!
Copyright © 2026 Northwest Iowa Regional Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
02/02/2026
$700,000
13.65 ac.
ACTIVE
Union County - TBD 330th St, Jefferson, SD
Prime land and Business Opportunity- 13 +/- acres, 15 minutes north of Sioux City, Iowa, on the South Dakota side, conveniently located at the Jefferson exit. This property is zoned for light commercial use, making it ideal for a wide range of business ventures or development projects. Three-phase electric on-site, approximately 2 acres graveled for use, and owner currently leases the extra land.
Copyright © 2026 NextHome, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
02/03/2026
$700,000
13.65 ac.
ACTIVE
Union County - TBD 330th St, Jefferson, SD
Prime land and Business Opportunity- 13 +/- acres, 15 minutes north of Sioux City, Iowa, on the South Dakota side, conveniently located at the Jefferson exit. This property is zoned for light commercial use, making it ideal for a wide range of business ventures or development projects. Three-phase electric on-site, approximately 2 acres graveled for use, and owner currently leases the extra land.
Copyright © 2026 Northwest Iowa Regional Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
01/20/2026
$3,367,455
320.71 ac.
ACTIVE
Union County - Beresford, SD
320.71+/- Acres Of High Quality Land For Sale
Located In Spink TWP, Union County, SD!
This Property Is Located South Of Beresford, SD, West Of Greenfield, SD
& North Of Junction City, SD!!
This Property Offers Exceptional Agricultural Potential Or Investment Opportunity!
Location: From Beresford, SD head South on Interstate 29 for 9 miles to the Volin Exit #38 then head West on 306th Street for 1/2 mile to 470th Avenue then head South on 470th Avenue for 5 miles to the site of the property. This land lies adjacent to Interstate 29.Signs Will Be Posted
Agents Comments: Zomer Company is extremely honored to present this property to the public for sale! This farm is located along Interstate 29 South Of Beresford, SD! If you are looking to expand your portfolio be sure to check out this high quality farmland/pastureland! Zomer Company would also like to thank the family in representing them in the sale of their property!
Abbreviated Legal Description of Property: Lots 1 & 2 in the SW1/4 Less H-1 (1.23A) in Section 7, Township 93N, Range 50W, Union County, SD & Carrol Tract 1 in the NW1/4 and Lots 1 & 2 in NW1/4 LESS H-1 (4.32A) in Section 18, Township 93N, Range 50W, Union County, SD. Sold subject all public roads and easements of record.
General Description of Subject Property According to the Union County assessor/Agri-Data, this property contains 320.71+/- gross acres. This property is ideal for farmers looking to expand their operations or ranchers seeking high quality grazing land! This property is currently in pastureland with the potential to be turned back into high quality farmland! This property currently has approximately 297.35+/- acres currently in pastureland/potential tillable acres. This property has a productivity index rating of 62.8. Soils on this property include: WA-Wakonda-WortihingChancellor, Wc-Wentworth-Worthing, Wo-Worthing, WbA-Wentworth, EaB-Egan-Chancellor-Davison and DkA-Davison-Tetonka-Egan. Whether you are a farmer or investor looking to expand your portfolio dont miss out on this opportunity to own a piece of history! This property in conveniently located South Of Beresford, SD & North of Junction City, SD for grain farmers!! This property is also only located minutes away from the local Farmers CO Operative Society Grain Facility!
Method Of Sale: This property is listed for sale. Contact an agent for more details
Taxes: The current Real Estate Taxes according to the Union County Treasurer are approx. $10,100.24 per year. Taxes will be pro-rated through the date of closing.
Possession: Possession of the land will be given March 1, 2026. This farm is available to farm for the 2026 crop year!
Terms: Purchaser (s) will be required to pay a non-refundable 15 % of the purchase price as earnest money deposit, and also agree to enter into a purchase agreement with the remaining balance due and payable on closing day. Buyer shall receive a clear and merchantable title to the property on closing day. This farm is being sold as is with any/all defects and encroachments if any. While every effort has been made to ensure the accuracy of the information herein, all prospective buyers are encouraged to inspect the property and verify all data provided. No warranties are expressed or implied. Any lines on maps and pictures are for informational purposes only and are not guaranteed to be actual boundary lines of the property. All buyers are encouraged to do buyers due diligence. Sellers do not warranty or guarantee that existing fences lie on the true boundary and any new fencing if any will be the responsibility of the purchaser pursuant to SD statutes. Aerial maps and soil maps are available upon request.
07/18/2025
$658,625
52.69 ac.
ACTIVE
Union County - Alcester, SD
52.693+/- Acres Of High Quality Farmland For Sale Located
In Virginia North TWP, Union County, SD!
This Farm Is Located East Of Alcester, SD & Northwest Of Hawarden, IA!!
If You Are Looking To Expand Your Operation Be Sure To Check Out This Farm!
Location: From Alcester, SD go East on Virginia Road for 3 miles to the intersection of 482nd Avenue and Virginia Road. The Farm will be located in the Southeast corner of the intersection. Signs Will Be Posted
Agents Comments: Zomer Company is extremely honored to present this farm for sale in Virginia North TWP, Union County, SD!! This a high quality tract of farmland you will want to add to your operation!! Land has proven to be a great investment for many generations!
Abbreviated Legal Description of Property: Tract 1 and 2 in the NW1/4 LESS RR in Section 30, Township 95N, Range 48W, Union County, SD. Subject to all easements and public roads of record.
General Description of Subject Property: According to the Union county assessor/recorded survey, this property contains 52.693+/- gross acres. According to Agri-Data, this farm contains approx. 49+/- tillable acres with the balance in road/ditch and pushup terraces. The predominant soil types include: CnD2-Crofton-Nora, Ka-Kennebec, Ae-Alcester, CnB-Crofton-Nora, McB-Moody and MdC-Moody-Nora. This farm has a productivity rating of 64.9! Farmland does not come for sale in this area very often! If you are looking for high quality farm between Hawarden, IA and Alcester, SD be sure to check out this farm. Contact one of our agents to receive a brochure and ariel maps for more information regarding the farmland!
Method Of Sale: Farmland is listed for sale at $12,000 Per Acre! Final sales price will be based on gross surveyed acres.
Taxes: The current Real Estate Taxes according to the Union County Treasurer are approx. 1,416.04 per year. Seller will pay the 2024 taxes which are due and payable in March and Sept of 2025.
Possession:: Possession of the farm will be given after the 2025 crop year harvest and will be available to farm for the 2026 crop year!
Terms: Purchaser (s) will be required to pay a non-refundable 15 % of the purchase price as earnest money deposit, and also agree to enter into a purchase agreement with the remaining balance due and payable on closing day. Buyer shall receive a clear and merchantable title to the property on closing day. This farm is being sold as is with any/all defects and encroachments if any. While every effort has been made to ensure the accuracy of the information herein, all prospective buyers are encouraged to inspect the property and verify all data provided. No warranties are expressed or implied. Any lines on maps and pictures are for informational purposes only and are not guaranteed to be actual boundary lines of the property. All buyers are encouraged to do buyers due diligence. Sellers do not warranty or guarantee that existing fences lie on the true boundary and any new fencing if any will be the responsibility of the purchaser pursuant to SD statutes. Aerial maps and soil maps are available upon request.
03/03/2026
$925,000
1.34 ac.
ACTIVE
Union County - 914 Wynstone Dr, Jefferson, SD
Extraordinary Arts & Crafts walkout ranch designed by acclaimed SALA Architects of Minneapolis with 5 bedrooms, 3 baths and a 3-car garage. This meticulously maintained custom home offers timeless design, exceptional craftsmanship and an efficient open floor plan with 9 + ceilings and expansive windows that flood the home with abundant natural light. Enjoy peaceful views of woods to the north and ponds to the south. The stone-wrapped exterior and distinctive copper shed roofs create striking curb appeal. A blue flagstone entry and oversized white oak door welcome you inside. Wide-plank black walnut floors run throughout the main living areas and bedrooms. The living room features reclaimed fir beams and mantel, copper-leafed built-ins, and a dramatic stacked stone fireplace. The chef s kitchen includes alder and maple cabinets, granite and sycamore countertops, granite sink and stainless steel appliances. The adjacent laundry room offers stained concrete floors, built-in cabinetry, double closet and utility sink. A spacious Ipe wood deck extends the living space outdoors, ideal for relaxing or entertaining. The private primary suite features a tin accent ceiling, French doors to the deck, custom alder walk-in closet and a two-sided fireplace shared with the spa-like bath, complete with soaking tub, travertine shower and marble vanity. Two additional main-level bedrooms offer large windows and double closets, served by a travertine and marble bath. Custom built-ins enhance storage throughout, and a zoned speaker system serves the home and outdoor spaces. The walkout lower level is perfect for entertaining with stained concrete floors, brick accents, surround sound and a two-sided fireplace in the family room. Glass doors open to a beautifully finished alder library with walk-in closet, ideal as a bedroom or office. A granite wet bar with walk-in wine cellar, an additional bedroom and a 3 4 bath with marble counter and alder cabinets complete this exceptional home.
01/22/2026
$585,000
1 ac.
ACTIVE
Union County - 813 Brookside Drive, Jefferson, SD
In just a few months: Buyers will be wanting a house with an inground pool!. So lets get ahead of that search and view this 5 bedroom, 3 bath Ranch Walkout home with recent updates: New shingles 2017. New maple flooring in Living Room, Kitchen, Dining and hall way in 2019. Kitchen also has new granite counter tops, and the hickory cabinets have been stained with cherry finish. Living room features 10' ceiling, electric and stacked stone gas fireplaces; maple flooring really lightens up the room. Kitchen with new maple flooring, new frig 2022, Bosch dishwasher and electric stove. Kitchen cabinets and railing system have a cherry stain. New granite counters. Wood deck restained 2023 (14 x 14) is off the dining area. Look for those great sunsets. Primary suite also has slider to the deck, and vaulted ceiling, walk in closet. Primary bath had been updated with newer tile floor, dbl vanity, whirlpool tub and tile shower. Two other bedrooms on the main floor, which are carpeted and a full bath. Main floor laundry off the garage with extra cabinetry. Lower Level Walkout has generous open family room with 7x10 wet bar area with new granite counter tops, & ice maker added. 3rd fireplace down. Projector and screen will stay. Bedrooms 4 & 5 are carpeted and have egress windows. A workout room has been finished also. (8 x 12) Heated 3 car garage with side door to the side yard. Lets get outside: 16 x 32 inground heated salt water pool, with lots of concrete for seating areas, a covered hot tub with mounted TV, pergola and pool area is fenced. Beyond the cedar fencing is still lots of yard for outdoor games. Entire lot is sprinkled. Curbing around the perimeter of the house. Radon mitigation system installed.
12/30/2025
$800,000
1.6 ac.
ACTIVE
Union County - 946 Wynstone Drive, Jefferson, SD
Welcome to this 1.5 story home with 5 bedrooms, 5 bathrooms, formal and casual living areas, an oversized 4 car garage, fresh landscaping, a huge deck all sitting on a 1.6 acre lot on the Preserve. A bubbling rocks water feature is in landscaping by front door. Double entry doors welcome you to 2 story open foyer with 2 coat closets, wood floor & staircase. Off foyer is formal dining with butler's pantry nearby. Stunning 2 story windows in the living room with 18 ft ceiling and gas FP. A casual family room on main has a gas FP, built ins, door to deck and corner windows. The eatin kitchen has oak cabinets, island, pantry, wood floor, desk area, gas stove, dbl ovens and 2 sinks. A second staircase upstairs is nearby. Coming in from the garage is a convenient 8x5 drop zone and 12x7 laundry room. The master bedroom has carpet & door to deck and the bathroom has heated floor, large tile shower, whirlpool tub, dbl vanity & 2 WIC. Upstairs there is a 10x14 loft area, 2 bedrooms each with a WIC, vanity and access to a shared 12 x 10 full bathroom (which has door to hall as well) and a 3rd bedroom also with WIC. The walkout lower level has lots of spaces to entertain or relax. The first family room has carpet, a gas FP, built ins, and daylight windows. This is open to the wet bar area with tile floor, cabinets, mirrored backsplash, granite counters, bar sink, DW and a nearby frig. A second family room has carpet. Walkout door to the patio. The current theater room could also be used as an office (projector included). The 5th bedroom has carpet, egress, and dbl closet and has a door to the 9x10 3/4 bathroom which also has door to hall. The current workout room has carpet, dbl closet and sauna (this room could be a BR). A 5x5 half bath completes this level. Relax by the new fire pit. Sprinkler covers 2/3 of yard. New deck 2020. 2 new water heaters 2021. One new Lennox furnace & 2 new AC units. Pet fence installed. Ask for Extra Feature sheet for all the recent improvements.
03/11/2026
$527,000
35.11 ac.
ACTIVE
Union County - 32287 478th Ave, Elk Point, SD
Come check out this unique opportunity to dig in the dirt out in southern Union County. 35.11 acres of farm ground. Good producing farm ground. Land is already rented for the 2026 season.
02/19/2026
$73,200
4.88 ac.
ACTIVE
Union County - tbd 478th Avenue, Elk Point, SD
Let s take a look at this acreage in southern Union County. Here is an opportunity to build your dream home on 4.88 acres. The preliminary LOMA plans have been completed on this property with it being in a flood plain.
02/21/2026
$449,000
4.32 ac.
ACTIVE
Union County - 992 Wynstone Drive, Jefferson, SD
A stunning 4.32-acre lot on the river in the desirable Wynstone Community, offering breathtaking views of the Missouri River. The average elevation over the 4.32 acres is 1,110 feet +/-. The perfect setting to build your dream home, surrounded by mature trees and natural privacy. This lot also gives you the option of putting in your own personal marina.
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