Property Report for 21 Briarcastle Ct, O Fallon, MO 63366

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21 Briarcastle Ct, O Fallon, MO 63366
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Property Details
  • Property Address 21 Briarcastle Ct, O Fallon, MO 63366
  • County St. Charles
  • Parcel ID 4-0022-8520-00-0150.0000000
  • Legal description SUNSET RIDGE EST PH1 #2 LOT 150
  • School district Wentzville R-Iv School District
  • Acreage 0.31
  • Property class Single Family Residence
  • Zoning Subscribe
  • Square footage 1,671
  • Year built 2001
  • Bedrooms 3
  • Bathrooms 2

About the Property

21 Briarcastle Ct is a single family residence in the city of O Fallon, MO 63366. Located in the Wentzville R-Iv School District, which resides in St. Charles County, MO and built in 2001. This Single Family Residence sits on a 13,504 sq ft lot and features 3 bedrooms, 2 bathrooms and 1,671 sq ft of living space.

The most recent property tax for 21 Briarcastle Ct was $3,464 with an estimated market value range of $362,760 to $370,089. This property was last sold on September 26, 2003 for $190,563.

Property Info

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Flood

Ownership

Land
  • Acres 0.31
  • Square Feet 13,504
Building
  • Units N/A
  • Year Built 2001
  • Effective Year Built N/A
  • Stories 1
  • # Fireplaces N/A
  • Garage/Carport N/A
Utilities
  • Cooling N/A
  • Heating N/A
Interior
  • Square Footage
  • Living Area 1,671
  • Total Rooms 5
  • Bedrooms 3
  • Total Bathrooms 2
  • Full Bathrooms 2
Your Property Report will also include the following information:

O Fallon Residential Market Stats

Median Sale Price $381,250 -10% YoY
Median Price/sq ft. $191
St. Charles County Median Sale Price $381,250 -10% YoY

See more Real Estate Trends for O Fallon including home values, types of properties sold and transaction volumes.

Taxes and Assessments for 21 Briarcastle Ct, O Fallon

Tax Year Taxes Tax Assesed Value Exemptions
2022 $3,464 (-0.1%) $45,710

2021 $3,466 (+3.4%) $45,710 (+5.8%)

2020 $3,352 (+6.6%) $43,187

2019

2018

2017

2016

Access Full Tax & Assessment History for 21 Briarcastle Ct, O Fallon. View Tax Information

Sales History for 21 Briarcastle Ct, O Fallon

The most recent sale on 21 Briarcastle Ct took place on Sep 26, 2003 and recorded on Sep 26, 2003 for $190,563. Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
Sale Date Recorded Date Buyer(s) Seller(s) Price Document ID

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Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
Address Distance SqFt Sale Date Price $/SqFt
15 BRIARCASTLE CT .05 mi 1,660 12/16/2024 $400,000 $241
5 ROYALLBRIDGE CT 2.42 mi 1,554 08/07/2025 $429,258 $276
297 TYNDALE DR .72 mi 1,345 08/05/2025 $265,195 $197
Active Mortgages and Equity Analysis
Date Recorded Position Original Amount Amortized Balance Loan Type Interest Rate Lender Lender Type

  • Total Estimated Debt:

  • Estimated Value from ATTOM AVM:

  • Available Equity:

  • Loan To Value Ratio:

SAMPLE
Total Estimated Debt

  • Total Estimated Debt
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Access the complete Mortgage and Equity Analysis for 21 Briarcastle Ct, O Fallon. View Mortgage and Equity
Automated Valuation Models (AVM)
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
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Market Value Estimate
Jul 16, 2025 Confidence Score: 99%
Low
Value
High
Rental Value Estimate ATTOM
Jul 21, 2025
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High

Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.