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Frontenac, MO Homes for Sale | Realty.com

Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

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Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

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3 beds New construction

2 listings

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What's my home worth?
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Get an instant cash offer
Buy before you sell

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Homes for Sale in Frontenac, MO

Homes for Sale in Frontenac, MO

2 Listings

Homes for Sale in Frontenac, MO

2 Listings

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #2020001504

10Active
$2,735,000
5 bd · 5 ba · 5,278 sqft
11321 Conway Tbb Road, Frontenac, MO
Ryan Shakofsky · Coldwell Banker Premier Group
8Active
$2,850,000
5 bd · 6 ba · 5,051 sqft
11325 Conway Tbb Road, Frontenac, MO
Ryan Shakofsky · Coldwell Banker Premier Group

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L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

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Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-08-05 20:06:27 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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TO

Thomas O'Leary

Realty.com

Lic. #2020001504

Frontenac, MO community profile

Population: 3,642
Median income: $184,343
Housing units: 1,384
People per sq. mi.: 1,255.9
Area: 2.9 sq. mi.

Source: HJN community data

Frontenac housing market

August 2026 · This period is still settling

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Median home size: 3,717 sq. ft.

Nearby areas

ZIP codes

63136 (238)
63031 (147)
63121 (117)
63033 (112)
63137 (111)
63376 (103)
63116 (101)
63368 (100)

Cities

St Louis (1,708)
Florissant (263)
O'Fallon (184)
St Charles (174)
St Peters (106)
Unincorporated (102)
Chesterfield (94)
Ballwin (91)