Top Realtors and Real Estate Agents in O'Fallon, MO
Rankings based on verified MLS transaction data. Last updated May 2026. No pay-to-play.
Top Agent
(489)
Mark Gellman
eXp Realty - The Gellman Team
27 Years of experience
809+ Sales in the last 12 months
Top 0.09%
in O'Fallon, MO
$383.7M
All-Time Sales
$40K - $2.9M
Price Range
7%
Negotiated Off List
Top Agent(74)
Michael Galbally
Real Broker, LLC
17 Years of experience
173+ Sales in the last 12 months
Top 0.26%
in O'Fallon, MO
$14.8M
All-Time Sales
$10K - $850K
Price Range
Top Agent(143)
Kathy Helbig
eXp Realty, LLC | Experience Real Estate Partners
29 Years of experience
60+ Sales in the last 12 months
Top 0.61%
in O'Fallon, MO
$2M
All-Time Sales
$0K - $940K
Price Range
Top Agent(10)
Kory Mccullough
RE/MAX Platinum
21 Years of experience
105+ Sales in the last 12 months
Top 0.78%
in O'Fallon, MO
$8.6M
All-Time Sales
$10K - $370K
Price Range
Top Agent(62)
Dale Rowe
Hero Realty
13 Years of experience
46+ Sales in the last 12 months
Top 0.87%
in O'Fallon, MO
$20.3M
All-Time Sales
$40K - $1.6M
Price Range
Top Agent(3)
Greg Abel
Avenue Real Estate Group
22 Years of experience
17+ Sales in the last 12 months
Top 1.3%
in O'Fallon, MO
$181.6M
All-Time Sales
$140K - $2.3M
Price Range
5%
Negotiated Off List
Top Agent(181)
Brittany Peterson
Worth Clark Realty | Maerock Real Estate
7 Years of experience
152+ Sales in the last 12 months
Top 1.56%
in O'Fallon, MO
$2.2M
All-Time Sales
$0K - $510K
Price Range
Top Agent(20)
Jessica Vargas
Keller Williams Mid Rivers Homes - Jessica's Property Team
10 Years of experience
21+ Sales in the last 12 months
Top 1.73%
in O'Fallon, MO
$350K
All-Time Sales
$916 - $240K
Price Range
Top Agent(59)
Lisa Burkemper
Berkshire Hathaway Home Services Select Properties
27 Years of experience
109+ Sales in the last 12 months
Top 1.91%
in O'Fallon, MO
$49.6M
All-Time Sales
$20K - $580K
Price Range
4%
Negotiated Off List
Top Agent(13)
Cindy Behnen
Coldwell Banker Gundaker
27 Years of experience
13+ Sales in the last 12 months
Top 2.17%
in O'Fallon, MO
$11.6M
All-Time Sales
$40K - $1.2M
Price Range
Top Agent(10)
Amy Stokes
RE/MAX Platinum
21 Years of experience
23+ Sales in the last 12 months
Top 3.12%
in O'Fallon, MO
$440K
All-Time Sales
$0K - $230K
Price Range
Top Agent(43)
Roxie Hayes
ROXSTAR PROPERTIES
10 Years of experience
37+ Sales in the last 12 months
Top 3.38%
in O'Fallon, MO
$14.3M
All-Time Sales
$50K - $410K
Price Range
7%
Negotiated Off List
Top Agent(22)
Jody Parrish
eXp Realty
28 Years of experience
26+ Sales in the last 12 months
Top 3.73%
in O'Fallon, MO
$1.1M
All-Time Sales
$0K - $490K
Price Range
Top Agent(8)
Nicole Berthold
Worth Clark
6 Years of experience
19+ Sales in the last 12 months
Top 3.81%
in O'Fallon, MO
7
Sold in O'Fallon, MO
77
Total Number Of Homes Sold
Top Agent(29)
Angela Heintz (BUYERS AGENT)
Keller Williams Realty St. Louis
12 Years of experience
1+ Sales in the last 12 months
Top 3.99%
in O'Fallon, MO
$350K
All-Time Sales
$0K - $310K
Price Range
Top Agent(4)
Erin Kruse
Keller Williams Realty West
13 Years of experience
18+ Sales in the last 12 months
Top 3.99%
in O'Fallon, MO
$1.2M
All-Time Sales
$10K - $300K
Price Range
Top Agent(81)
Payton Blaylock
EXP Realty LLC
12 Years of experience
179+ Sales in the last 12 months
Top 4.33%
in O'Fallon, MO
$105.2M
All-Time Sales
$140K - $750K
Price Range
Top Agent(165)
Caleb Davis
Keller Williams Marquee
8 Years of experience
360+ Sales in the last 12 months
Top 4.59%
in O'Fallon, MO
$233.3M
All-Time Sales
$140K - $930K
Price Range
6%
Negotiated Off List
Top Agent(38)
Brandon Radcliff
Worth Clark Realty
15 Years of experience
4+ Sales in the last 12 months
Top 5.81%
in O'Fallon, MO
$900K
All-Time Sales
$0K - $290K
Price Range
Top Agent(91)
Dustin Walsh
Realty Executives Premiere
14 Years of experience
83+ Sales in the last 12 months
Top 6.15%
in O'Fallon, MO
$39.3M
All-Time Sales
$30K - $1M
Price Range
8%
Negotiated Off List
Top Agent(87)
Jason Thorpe
KRS Realty
14 Years of experience
47+ Sales in the last 12 months
$91.4M
All-Time Sales
$120K - $580K
Price Range
5%
Negotiated Off List
Top AgentReviews not yet available
Monica Mahtani
Coldwell Banker Brown Realtors
7 Years of experience
45+ Sales in the last 12 months
$23.7M
All-Time Sales
$120K - $600K
Price Range
152
Total Number Of Homes Sold
O'fallon Housing Market Trends
Median Sale Price
$374,950
-0.01% year-over-yearMedian Days on Market
8
-3 days year-over-yearSale-to-List Price
101.28%
+0.22% year-over-yearHomes Sold Above List Price
48.2%
-4.2% year-over-yearOff the Market in 2 Weeks
74.4%
+10.0% year-over-yearListings With Price Drops
30.5%
-7.6% year-over-yearMonths of Supply
1.2
Realtors in O'fallon
1,154
Verified MLS market data through May 2026.
When Is the Best Time to Sell a House in O'Fallon?
Based on the last 24 months of verified MLS market data, homes in O'Fallon sell fastest and closest to asking when they go under contract in June. To hit that window, plan to list around June.
Median days on market by month (shorter is faster)
June
Best month to sell
6 days
Typical time on market
102%
Of asking price
Seasonal averages from the last 24 months of O'Fallon, MO sales. Individual results vary with price, condition, and how the broader market moves. A local agent can pinpoint the right timing for your home.
How We Rank O'Fallon Real Estate Agents
Our rankings are built from verified MLS transaction data, not advertising spend. For every agent we analyze more than fifteen performance signals, including sales volume in your city and zip code, recent and all-time transactions, days on market, negotiation results (how far above or below list price an agent's clients actually close), price-point fit, and verified reviews. The agents shown first are those whose verified results put them at the top of the O'Fallon market today.
Agents cannot pay for placement in these rankings. The underlying data refreshes as new closed transactions are reported, so rankings shift with real market performance. Learn how we rank agents.
Rankings reviewed by Kevin Stuteville, Licensed Florida Real Estate Broker (License BK3068131), Founder of EffectiveAgents.
Data last updated: May 2026
O'Fallon Real Estate Agent FAQs
How were these O'Fallon real estate agents ranked?
Rankings are built from verified MLS transaction data. We analyze more than fifteen performance signals for every agent, including sales volume in your city and zip code, recent and all-time transactions, days on market, negotiation results, price-point fit, and verified reviews. Agents cannot pay for placement.
How many real estate agents are in O'Fallon?
Our data covers 1,154 real estate agents serving the O'Fallon area. The count represents agents with transaction activity recorded in our O'Fallon market data, not simply everyone holding a license.
What does the median sale price in O'Fallon mean for sellers?
O'Fallon's median sale price is $374,950 as of May 2026. Half of recent sales closed above that figure and half below. It is a useful baseline for understanding the market, but an experienced local agent will price your home against comparable recent sales in your neighborhood, not the citywide median.
Does it cost anything to use EffectiveAgents?
No. EffectiveAgents is free for home buyers and sellers, with no obligation to work with any agent we match you with.
Do agents pay to be ranked or featured?
No. Agents cannot pay for placement anywhere in these rankings. Positions are earned from verified transaction performance only.
What commission do O'Fallon realtors charge?
Commissions are negotiable and vary by agent, service level, and transaction. There is no set rate, and recent industry changes have made commission structures more flexible than ever. Discuss the structure directly with your agent before signing a listing or buyer agreement.
Nearby Cities
Learn more about top real estate agents in other cities near O'Fallon, MO
In O'Fallon