63366's Top REALTORS® And Real Estate Agents
63366 is a zip code in O Fallon, MO. Here are the Top Real Estate Agents that service 63366.
Top Agent
(490)
Mark Gellman
eXp Realty - The Gellman Team
27 Years of experience
810+ Sales in the last 12 months
$383.7M
All-Time Sales
$40K - $2.9M
Price Range
7%
Negotiated Off List
Top Agent$14.8M
All-Time Sales
1,819
Total Number Of Homes Sold
2009
Year Licensed
Top Agent$8.6M
All-Time Sales
863
Total Number Of Homes Sold
2005
Year Licensed
Top Agent$11.6M
All-Time Sales
$40K - $1.2M
Price Range
257
Total Number Of Homes Sold
Top Agent$440K
All-Time Sales
139
Total Number Of Homes Sold
2005
Year Licensed
Top Agent(181)
Brittany Peterson
Worth Clark Realty | Maerock Real Estate
7 Years of experience
156+ Sales in the last 12 months
$2.2M
All-Time Sales
834
Total Number Of Homes Sold
2019
Year Licensed
Top Agent$181.6M
All-Time Sales
$140K - $2.3M
Price Range
5%
Negotiated Off List
Top Agent$20.3M
All-Time Sales
$40K - $1.6M
Price Range
449
Total Number Of Homes Sold
Top Agent$3.1M
All-Time Sales
496
Total Number Of Homes Sold
2002
Year Licensed
Top Agent(20)
Jessica Vargas
Keller Williams Mid Rivers Homes - Jessica's Property Team
10 Years of experience
20+ Sales in the last 12 months
$350K
All-Time Sales
303
Total Number Of Homes Sold
2016
Year Licensed
The O Fallon, MO Housing Market
63366 is part of the O Fallon market. Here is how that market looks as of May 2026.
Median Sale Price
$375K
Median Days on Market
8 days
Sale-to-List Price
101.3%
Homes Sold (monthly)
110
City market data through May 2026. Zip figures reflect verified sales by ranked agents, not total market volume.
Why you need a Top Real Estate Agent in 63366, MO
63366 has 31 active real estate agents for you to choose from. How do you know if you're selecting the best one in your area? Simple: EffectiveAgents has analyzed the performance history and past transactions of every agent in 63366.
How We Rank 63366 Real Estate Agents
Our rankings are built from verified transaction data, not advertising spend. For every agent we analyze more than fifteen performance signals, including recent and all-time sales, days on market, negotiation results, price-point fit, and verified reviews.
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
Frequently Asked Questions
You have questions.
Luckily, we have answers.
How many realtors are there in 63366?
There are 31 real estate agents in 63366.
Who are the top real estate agents in 63366?
Top selling real estate agents in 63366 include Mark Gellman, Michael Galbally, Kory Mccullough, Cindy Behnen and Amy Stokes.
What is the best time of year to sell a home in the O Fallon area?
Based on the last 24 months of verified MLS market data, homes in the O Fallon area sell fastest and closest to asking price when they go under contract in June. To hit that window, plan to list around June.
Free Real Estate Calculators
Planning a move in O Fallon? Run the numbers first.