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Union County, SD real estate

Compare top Union County real estate agents.

Agent Pronto analyzes transaction data, agent specialties, and client reviews to handpick the best agents in your area. Updated for August 2026.*


* Sales data is calculated based on transaction information available to Agent Pronto at the time of publishing and may not accurately reflect all transactions for a given agent.

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Union County real estate Market Report.

Information and statistics on the latest trends in the Union County real estate market. *

Latest Monthly Snapshot

June 2026

Median sale price
$444K
+8.8% from May '26
Median list price
$358K
-21% from May '26
Active listings
80
+2.6% from May '26
Homes sold
18
-18% from May '26
New pendings
17
No change from May '26
New listings
27
+29% from May '26

Monthly Pricing Trends for Union County

Monthly data for the latest available year.

Monthly Pricing Trends for Union County Jul '25 Sep '25 Nov '25 Jan '26 Mar '26 May '26 Jun '26 Median sale price in July 2025: $415K Median sale price in August 2025: $447K Median sale price in September 2025: $289K Median sale price in October 2025: $410K Median sale price in November 2025: $338K Median sale price in December 2025: $520K Median sale price in January 2026: $219K Median sale price in February 2026: $454K Median sale price in March 2026: $374K Median sale price in April 2026: $426K Median sale price in May 2026: $408K Median sale price in June 2026: $444K Median list price in July 2025: $529K Median list price in August 2025: $412K Median list price in September 2025: $305K Median list price in October 2025: $290K Median list price in November 2025: $363K Median list price in December 2025: $430K Median list price in January 2026: $457K Median list price in February 2026: $513K Median list price in March 2026: $440K Median list price in April 2026: $388K Median list price in May 2026: $453K Median list price in June 2026: $358K July 2025 Median sale price $415K Median list price $529K August 2025 Median sale price $447K Median list price $412K September 2025 Median sale price $289K Median list price $305K October 2025 Median sale price $410K Median list price $290K November 2025 Median sale price $338K Median list price $363K December 2025 Median sale price $520K Median list price $430K January 2026 Median sale price $219K Median list price $457K February 2026 Median sale price $454K Median list price $513K March 2026 Median sale price $374K Median list price $440K April 2026 Median sale price $426K Median list price $388K May 2026 Median sale price $408K Median list price $453K June 2026 Median sale price $444K Median list price $358K
Median sale price
Median list price
* Data provided by Redfin, a national real estate brokerage.
47
Neutral Market
Seller’s Market
Buyer’s Market
0
25
50
75
100

Market gauge is calculated using active listings and pending sales from the most recently available reporting period (Jun 2026).

Union County is seeing steady listing activity even as closed sales pull back. Active listings in June edged up compared with May, while homes sold fell nearly a fifth over the month and more than a quarter compared with last year. New listings also jumped from May, suggesting fresh options for buyers even as overall turnover slows.

Pricing is adjusting to this flow of inventory and contracts. The typical home value in June rose solidly from a year ago, while the median list price dropped both month over month and year over year, pointing to sellers pricing more cautiously to attract offers.

Market balance has shifted toward neutral conditions. Months of supply climbed strongly from both last month and last year, landing just below the statewide level, and the share of homes selling above list price nearly doubled from May even though it remains under one in five. Homes are taking a median of just over three weeks to go under contract, much faster than late last year, and the average sale-to-list ratio is holding close to 98 percent, indicating limited discounting. Buyers can use these trends to negotiate thoughtfully, and sellers need smart pricing strategies, and Agent Pronto can help both buyers and sellers connect with an agent who understands today’s Union County market.



Learn more about what Union County has to offer.

Union County offers residents a welcoming community, excellent schools, abundant outdoor recreation, and a growing economy that supports families and local businesses.

Union County stands out from nearby Sioux City and Dakota Dunes with a quieter rural pace that still keeps you close to major employers, shopping, and cultural events. Many residents choose communities like Beresford, Alcester, and North Sioux City for their strong local identity, where schools, sports, and civic events bring people together throughout the year.

Along the Missouri and Big Sioux rivers, outdoor time is part of daily life. Families gather at Adams Homestead and Nature Preserve for walking and biking trails, birding, and river views, while golf and community events are a draw at Two Rivers Golf Club. Local history and culture are highlighted through county resources and nearby museums, including the Union County Courthouse in Elk Point and regional institutions like the Sioux City Public Museum.

Strong schools are a key reason families stay, with districts such as Dakota Valley School District and Alcester-Hudson School District offering close-knit learning environments and active extracurricular programs.

Whether you already live in Union County or are relocating for work or lifestyle, planning your move is crucial. Market conditions can shift quickly along the Sioux City corridor, so connecting early with the right local expert through Agent Pronto helps both buyers and sellers prepare, price, and time their decisions with confidence.

Find your Union County real estate agent today →


Trusted by over 500,000 buyers and sellers.

See why so many people rely on Agent Pronto to make their real estate journey a success.

“I had an excellent experience working with Patricia Baron from Century 21. From the very beginning, she demonstrated a high level of professionalism, knowledge, and dedication. Her attention to detail, responsiveness, and commitment to providing outstanding customer service truly stood out. Patricia was always available to answer my questions, explain every step of the process, and make sure everything went smoothly. She was patient, trustworthy, and genuinely focused on helping me achieve the best possible outcome. I highly recommend Patricia Baron to anyone looking for a professional, reliable, and dedicated real estate agent. Her excellent service and personal attention made the entire experience much easier and more enjoyable. ⭐⭐⭐⭐⭐”

Hansel · West Haven, CT

Photo of Patricia Baron Arocha
Century 21 Scala Group
“​I want to take a moment to express my sincere thanks to Jacki for her outstanding service. Throughout the entire process, she showed incredible patience, understanding, and absolute dedication to seeing everything through. ​She was amazing to work with and so tremendously helpful from start to finish. If you get the chance to work with Jacki, you are in the best hands possible!”

Monica · Ona, WV

Photo of Jacki Frazier
Century 21 Homes & Land
“I was very happy with Leslie Blaser! Her market knowledge and negotiating were spot on. Very pleasant experience. I'd recommend her to anyone.”

Michael Alstrits · Middletown, CT

Photo of Leslie Blaser
eXp Realty
“It was a pleasure having Kurt Harbaugh as my agent ! Kurt was very professional and knowledgeable . Kurt was always avaliable for any questions i had during my home purchasing process , most of all he treated me as if i was important not just a client . I would recommend Kurt Harbaugh as an agent to anyone that's looking for one .”

Willy Lewis · Albany, GA

Photo of Kurt Harbaugh
CENTURY 21 Realty Advisors
“Terri is awesome! She is very knowledgeable and is the best to work with. She kept us updated everyday through the sale of our home and purchase of our new home. We appreciate all the time she put into both & will always recommend her to all our friends & family.”

Breanna Smith · Perry, GA

Photo of Terri Jackson
Century 21 Homes & Investments
“Carrie was professional, knowledgeable, courteous, and accessible at all times. She explained every aspect of the sale of my home in detail and was very patient with me and all my questions and concerns.”

Roni Pack · Beckley, WV

Photo of Carrie Pannell
eXp Realty
“Pour Elle est present elements, Elle est tres profferionelle,,Elle est toujours sourillantr et toujours dispose pour donne son support quan on aura lesion Elle est toujours pres a touts apple de la part de son client.felicitation Melisa et son staff que Dieu vous benisse”

Lyonel Archil · Smithfield, NC

Photo of Malissa Kastner
Century 21 Triangle Group
“Michele made me feel very comfortable about asking questions. Her answers were always clear. She made sure I understood all the terms and the reasons for them before I needed to sign any thing. She always explained the options that were available. She was very accommodating when setting up appointments to fit my schedule as well as hers. She treated me like a friend rather than a customer, which was a very secure feeling for me. I enjoyed meeting her and feel blessed to have had her as the representative for the transaction. Thank you Michele.”

Loretta Schultz · Hazen, ND

Photo of Michele Hernandez
Century 21 Morrison Realty
“Stephanie was WONDERFUL to work with and made our house buying experience straight forward and very pleasant. She was extremely prompt and helpful whenever we contacted her and always made sure we were kept informed throughout the entire process.”

Anna Arganbright · Missoula, MT

Photo of Stephanie Edgerly
EXP Realty, LLC
“Lucas was always "there" for me. He was honest and candid while I processed all the information. His response time was above average never left me hanging. Helping me view properties from across the country and acted quickly to get my offer in. It was a pleasure doing business with Lucas.”

Linda Babb · Lincoln, ND

Photo of Lucas Cahoon
Century 21 Morrison Realty
“She's that 1 realtor you will want to use again and again!”

Cjk · Houston, TX

Photo of LaKesha Dibble
Better Homes & Gardens Real Estate BHGRE, Gary Greene
“Zach was great to work with. I contacted several realtors and they weren't interested in selling my hunting camp. Zach took it on and sold it in 2 months. I highly recommend him.”

Rick Clukey · Bradley, ME

Photo of Zachary Arnold
Realty of Maine
“Susan goes above and beyond. She took care of details we were not present for to handle. She recommended several people to help with painting, etc, and they have been excellent. I highly recommend her for your real estate needs.”

Cindy Cordova · Bastrop, TX

Photo of Susan Nogues
Susan Nogues Real Estate LLC
“Katelyn supported us through a long journey of finding a property to build our forever home on. Over the course of 8 months, she helped us search and weed through properties from hundreds of miles away. She made her self available on weekends when we flew in multiple time to view properties. Katelyn also went above and beyond to support our closing when we could not be there in person. She is ready going and very ready to get along with. We will recommend Katelyn to friends and faculty in the future! Thank you!”

Juan and Ashley Barajas · Karnack, TX

Photo of Katelyn Roan
Century 21 A Select Group
“This is the second real estate purchase that we have made with Katerina as our broker in this calendar year. We noted that we recommend her seven days of the week and twice on Sunday on our last deal earlier this year and would say the same for this one.”

Brett · Chagrin Falls, OH

“It was a very nice experience. Love the way she work. And very friendly”

Olga Bahena · Byron, GA

Photo of Lisa Dunn
Century 21 Homes and Investments
“Got the job done in a reasonable amount of time. Thank you.”

Karlene Guay · Longs, SC

Photo of Greg Harrelson
Century 21 The Harrelson Group
“I was having trouble finding a house that met my criteria and with having multiple offers rehected or outbid. Mrs. Young fought tooth and claw to finish the job and find me a home in Laramie. She often worked at times that were inconvenient for her, sometimes on weekend family trips and sometimes making short-notice trips all the way out to Laramie for showings. Mrs. Young's hard work and professionalism was a bright spot in an otherwise tough house hunt.”

Brian Bell · Cheyenne, WY

Photo of Trenille Young
Century 21 Bell Real Estate
“We couldn’t be happier with our experience with Anita! From start to finish, she was professional, knowledgeable, responsive, and truly dedicated to helping us find the right home. She made what could have been a stressful process feel smooth and manageable. Anita was always available to answer questions, explain each step, and make sure we felt confident in every decision. She went above and beyond to make sure everything stayed on track and advocated for us throughout the entire process. We are incredibly grateful for her hard work, patience, and commitment. If you’re looking for a realtor who genuinely cares about their clients and goes the extra mile, we highly recommend her.”

Tatiana Rand · Fleetwood, PA

Photo of Anita Leazier
Pagoda Realty
“Working with Paul Hayworth was one of the best decisions I made during the home buying process. From day one, his communication was outstanding. He kept me informed every step of the way, making sure I knew about every update and changes as soon as it happened. Paul went above and beyond to negotiate on my behalf and was able to convince the seller to agree to the deals that were important to me. His knowledge, strategy, and confidence throughout the process were incredible he truly is a mastermind at what he does. He also made sure all of my inspections were scheduled and completed within a week, which helped keep everything moving smoothly and on schedule. His personality made the entire experience enjoyable, and I always felt like I had someone in my corner who genuinely cared about helping me. As a first time homebuyer, I couldn’t have asked for a better realtor. Thank you for making my dream become reality!”

Diego Solis · Fresno, CA

Photo of Haworth Relocation
RE/MAX Gold

Frequently Asked Questions

There are more than 2 million real estate agents across the U.S., and you want to be sure the one you partner with is an experienced and trustworthy professional with strong local expertise covering the housing market in and around Union County. Working with a proven agent will help you sell your home faster and for more money, and help you find your dream home at the best possible price.