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
80
Total Number Of Homes Sold
2020
Year Licensed
6
Years Experience
Top Agent
(491)
Mark Gellman
eXp Realty - The Gellman Team
27 Years of experience
888+ Sales in the last 12 months
$383.7M
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(206)
Angela Kittner
Keller Williams Realty -St. Louis
22 Years of experience
137+ Sales in the last 12 months
$54.3M
All-Time Sales
$20K - $3M
Price Range
5%
Negotiated Off List
Top Agent(72)
Brian Preston
PalmerHouse Properties & Associates LLC
25 Years of experience
61+ Sales in the last 12 months
$12.4M
All-Time Sales
$10K - $530K
Price Range
794
Total Number Of Homes Sold
Top Agent$940K
All-Time Sales
341
Total Number Of Homes Sold
2003
Year Licensed
Top Agent$24M
All-Time Sales
$20K - $1.1M
Price Range
8%
Negotiated Off List
Top Agent$350K
All-Time Sales
281
Total Number Of Homes Sold
2018
Year Licensed
Top Agent(143)
Kathy Helbig
eXp Realty, LLC | Experience Real Estate Partners
29 Years of experience
75+ Sales in the last 12 months
$2M
All-Time Sales
814
Total Number Of Homes Sold
1997
Year Licensed
Top Agent$14.8M
All-Time Sales
1,844
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 July 2026.
Median Sale Price
$394K
Median Days on Market
7 days
Sale-to-List Price
102.7%
Homes Sold (monthly)
76
Across all of Ballwin: $440K median and 6 days on market.
In 63021 specifically, ranked agents on EffectiveAgents closed 3 verified sales in the last 12 months, with a median sale price of $188K.
Zip market data through July 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 27 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: July 2026
Frequently Asked Questions
You have questions.
Luckily, we have answers.
How many realtors are there in 63021?
There are 27 real estate agents in 63021.
Who are the top real estate agents in 63021?
Top selling real estate agents in 63021 include Nicole Berthold, Mark Gellman, Brad Elsner, Angela Kittner and Brian Preston.
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.
How much do homes sell for in 63021?
Ranked agents on EffectiveAgents closed 3 verified sales in 63021 over the last 12 months, with a median sale price of $187,500.
Free Real Estate Calculators
Planning a move in Ballwin? Run the numbers first.