Top Realtors and Real Estate Agents in O'Fallon, IL
Rankings based on verified MLS transaction data. Last updated September 2026. No pay-to-play.
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Top Agent
Top 0.4%
in O'Fallon, IL
$343.1M
All-Time Sales
$160K - $1.1M
Price Range
Top AgentTop 0.8%
in O'Fallon, IL
$286M
All-Time Sales
$140K - $2.3M
Price Range
4%
Negotiated Off List
Top Agent
(82)
Christina Johnson
Keller Williams Pinnacle - Journey Home Team
10 Years of experience
78+ Sales in the last 12 months
Top 1.2%
in O'Fallon, IL
$148.1M
All-Time Sales
$160K - $1.3M
Price Range
6%
Negotiated Off List
Top AgentTop 2.4%
in O'Fallon, IL
$277.9M
All-Time Sales
$150K - $1.1M
Price Range
6%
Negotiated Off List
Top AgentTop 2.8%
in O'Fallon, IL
$90.2M
All-Time Sales
$130K - $800K
Price Range
5%
Negotiated Off List
Top AgentTop 3.6%
in O'Fallon, IL
$114.1M
All-Time Sales
$140K - $860K
Price Range
4%
Negotiated Off List
Top AgentReviews not yet available
Joseph Carroll
Coldwell Banker
17 Years of experience
8+ Sales in the last 12 months
Top 4.4%
in O'Fallon, IL
$14.8M
All-Time Sales
$130K - $820K
Price Range
Top Agent$152.8M
All-Time Sales
$150K - $1.1M
Price Range
6%
Negotiated Off List
Top Agent$77M
All-Time Sales
$110K - $620K
Price Range
9%
Negotiated Off List
Top AgentTop 5.2%
in O'Fallon, IL
$165.9M
All-Time Sales
$130K - $810K
Price Range
5%
Negotiated Off List
Top AgentTop 6%
in O'Fallon, IL
$94.7M
All-Time Sales
$120K - $580K
Price Range
5%
Negotiated Off List
Top Agent$162.7M
All-Time Sales
$190K - $1.1M
Price Range
3%
Negotiated Off List
Top Agent$88.2M
All-Time Sales
$170K - $1.4M
Price Range
6%
Negotiated Off List
Top AgentTop 8.4%
in O'Fallon, IL
$103.8M
All-Time Sales
$180K - $900K
Price Range
7%
Negotiated Off List
Top AgentTop 8.8%
in O'Fallon, IL
$119.9M
All-Time Sales
$140K - $750K
Price Range
Top AgentReviews not yet available
Ben Firnkes
Firnkes Realty LLC
8 Years of experience
0+ Sales in the last 12 months
$3.7M
All-Time Sales
$200K - $500K
Price Range
15
Total Number Of Homes Sold
Top Agent2015
Year Licensed
11
Years Experience
O'fallon Housing Market Trends
Homes in O'fallon take a median 34 days to sell, go for 99.46% of asking, prices are down 0.4% from a year ago. Verified MLS market data through September 2026.
Market temperature
Seller's market
2.1 months of supply. Under 3 favors sellers, over 6 favors buyers.
What homes sell for
$366,492
median sale price
How fast they sell
34 days
median time on market
Supply and competition
2.1 months
of supply on the market
The numbers speak
for O'Fallon.
Every agent above earned their place with closed sales, not advertising. Tell us about your home and our algorithm picks the O'Fallon agents whose results fit it.
O'Fallon agents analyzed for these rankings
median sale price in O'Fallon
buyers and sellers matched by EffectiveAgents
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 May. To hit that window, plan to list around April.
Median days on market by month (shorter is faster)
May
Best month to sell
32 days
Typical time on market
100.5%
Of asking price
Seasonal averages from the last 24 months of O'Fallon, IL sales. Individual results vary with price, condition, and how the broader market moves. A local agent can pinpoint the right timing for your home.
What These Numbers Mean for O'Fallon Buyers and Sellers
O'Fallon currently measures a median sale price of $366,492, with values moving -0.4% year over year, a modest shift that frames the balance described in the Housing Market Trends module above. The competitive indicators tell a more layered story. With 34.6% of homes selling above list, 57.7% going off the market within two weeks, and a sale-to-list ratio of 99.46%, well-prepared listings still draw timely attention. At the same time, 31.7% of active listings have recorded a price reduction and months of supply sits at 2.1, signals that leverage is more evenly distributed than it was a year ago.
For buyers, this combination means room to negotiate on homes that have lingered past the 34-day median, particularly where a price drop has already appeared. Aggressive over-asking offers are no longer a blanket requirement, though the share closing above list shows sharp pricing still attracts competition. For sellers, the data argues for disciplined initial pricing: homes listed accurately tend to clear quickly, while those priced ahead of the market join the quarter of listings cutting price. The +1 day change in market time reinforces that patience and preparation matter more now.
With 250 licensed agents operating locally, outcomes vary widely by who manages the transaction. EffectiveAgents analyzes performance data to identify the specific agents whose results align with current conditions, helping both buyers and sellers act on evidence rather than guesswork in a market that rewards precise pricing and well-timed offers.
What O'Fallon Home Prices Mean for You
Understanding the true cost of homeownership in O'Fallon goes beyond the listing price. These calculators break down what today's market conditions mean for your budget, your timeline, and your negotiating position.
| Median home price | $366,492 |
| Down payment (20%) | $73,298 |
| Loan amount | $293,194 |
| Monthly payment (PITI) | $2,640 |
Based on 28% debt-to-income ratio, 7.32% mortgage rate (as of October 22, 2026), 30-year fixed loan, 1.15% property tax rate, $275/mo insurance. Actual requirements vary by lender.
Based on $366,492 median home price with 20% down at 7.32% (as of October 22, 2026) for 30 years. Property tax estimated at 1.15% of home value.
Year-over-year data reflects the most recent rolling period from O'Fallon MLS records. Prior year values calculated from current figures and published YoY changes.
What to Look for in a O'Fallon Realtor
Name recognition and advertising budgets say little about how an agent performs when it matters. The more useful signal is measured transaction history: closed volume, repeat results across price points, and how consistently an agent protects a client's position during negotiation. In a market where the sale-to-list ratio holds at 99.46% and 31.7% of listings eventually cut price, the difference between an average and a data-proven agent often shows directly in the final number. Among the 250 agents working locally, EffectiveAgents has ranked 31 based on verified outcomes. Courtney Marsh at Red Door Realty Group Inc stands out in that analysis, with 1,684 career transactions and $285.4M in all-time sales volume. That depth of experience translates into informed pricing guidance and steadier negotiation when conditions shift mid-deal. Equally telling is the review record: 76 reviews point to a pattern of repeat satisfaction rather than a single standout result. Consistent feedback across many clients is one of the clearest indicators that performance holds up transaction after transaction.
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.
250
agents analyzed
15+
performance signals
$0
paid for placement
Rankings reviewed by Kevin Stuteville, Licensed Florida Real Estate Broker (License BK3068131), Founder of EffectiveAgents.
Data last updated: September 2026
O'Fallon Real Estate Agent FAQs
Who is the best real estate agent in O'Fallon, IL?
Courtney Marsh at Red Door Realty Group Inc currently ranks as a top agent in O'Fallon, IL, with 1,684 career transactions, 76 reviews, and $285.4M in all-time sales volume. EffectiveAgents identifies leading agents by analyzing verified performance data rather than advertising spend, measuring closed outcomes against local benchmarks. Of the 250 licensed agents in the area, 31 meet the ranking criteria. Reviewing candidates by measured results and client review patterns, then interviewing two or three, is the most reliable way to match an agent to your specific goals.
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 250 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 $366,492 as of September 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.
How long does it take to sell a house in O'Fallon?
Homes in O'Fallon currently take a median of 34 days to sell, reflecting a +1 day change in market time versus last year. Several factors influence where a given listing lands relative to that median: pricing accuracy, condition and staging, time of year, and how it compares to competing inventory. With months of supply at 2.1 and 57.7% of homes going off the market within two weeks, well-prepared and correctly priced homes still move quickly, while those priced ahead of the market tend to sit and often require a reduction.
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.
Should I use a local O'Fallon agent or a national brand?
The individual agent matters more than the brand on the sign. Offices within the same national franchise vary widely in performance, and the agent you hire, not the logo, prices your home, negotiates your contract, and manages your closing. A strong local agent brings firsthand knowledge of O'Fallon neighborhoods, pricing patterns, and buyer activity. Compare agents on verified local results such as recent sales, days on market, and negotiation outcomes rather than name recognition.
What questions should I ask a O'Fallon realtor before hiring them?
Ask how many homes they have closed in O'Fallon in the past year, what their average sale-to-list ratio is, and how much of their business is in your neighborhood and price range. Ask how they will market your home or find you listings, and how often they will communicate. Strong agents answer with specifics. Verified transaction data is the fastest way to confirm what you hear.
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