63021's Top REALTORS® And Real Estate Agents
63021 is a zip code in Ballwin, MO. Here are the Top Real Estate Agents that service 63021.
Top Agent
(492)
Mark Gellman
eXp Realty - The Gellman Team
27 Years of experience
881+ Sales in the last 12 months
$383.1M
All-Time Sales
$40K - $2.9M
Price Range
7%
Negotiated Off List
Top Agent$103.6M
All-Time Sales
$50K - $770K
Price Range
6%
Negotiated Off List
Top Agent(190)
Brittany Peterson
Worth Clark Realty | Maerock Real Estate
7 Years of experience
178+ Sales in the last 12 months
$900K
All-Time Sales
889
Total Number Of Homes Sold
2019
Year Licensed
Top Agent(72)
Brian Preston
PalmerHouse Properties & Associates LLC
25 Years of experience
60+ Sales in the last 12 months
$12.4M
All-Time Sales
$10K - $530K
Price Range
802
Total Number Of Homes Sold
Top Agent$24M
All-Time Sales
$20K - $1.1M
Price Range
8%
Negotiated Off List
Top Agent$940K
All-Time Sales
364
Total Number Of Homes Sold
2003
Year Licensed
Top Agent(143)
Kathy Helbig
eXp Realty, LLC | Experience Real Estate Partners
29 Years of experience
82+ Sales in the last 12 months
$2M
All-Time Sales
825
Total Number Of Homes Sold
1997
Year Licensed
Top Agent$350K
All-Time Sales
281
Total Number Of Homes Sold
2018
Year Licensed
Top Agent(2)
Patty Stellern
Keller Williams Realty Chesterfield
18 Years of experience
11+ Sales in the last 12 months
$29.6M
All-Time Sales
$70K - $940K
Price Range
337
Total Number Of Homes Sold
Top Agent$12.2M
All-Time Sales
1,926
Total Number Of Homes Sold
2009
Year Licensed
The 63021 Housing Market
Verified MLS market data for the 63021 zip code in Ballwin, MO as of September 2026.
Median Sale Price
$375K
Median Days on Market
11 days
Sale-to-List Price
101.5%
Homes Sold (monthly)
75
Across all of Ballwin: $441K median and 8 days on market.
Zip market data through September 2026. Agent sales figures reflect verified sales by ranked agents, not total market volume.
Why you need a Top Real Estate Agent in 63021, MO
63021 has 33 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 63021.
How We Rank 63021 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: September 2026
Frequently Asked Questions
You have questions.
Luckily, we have answers.
How many realtors are there in 63021?
There are 33 real estate agents in 63021.
Who are the top real estate agents in 63021?
Top selling real estate agents in 63021 include Mark Gellman, Brad Elsner, Brittany Peterson, Brian Preston and Brian Tash.
What is the best time of year to sell a home in the Ballwin area?
Based on the last 24 months of verified MLS market data, homes in the Ballwin area sell fastest and closest to asking price when they go under contract in May. To hit that window, plan to list around May.
Free Real Estate Calculators
Planning a move in Ballwin? Run the numbers first.