Keystone Ridge Dr, O Fallon, MO Property Records

St. Charles County property records for 75 addresses on Keystone Ridge Dr, O Fallon, MO · Last verified August 2026

Keystone Ridge Dr Highlights

Properties 75
Median Sale Price $356,000
Deeds and Mortgages on File 151
Median Price per Sqft $147
Owner Occupied 93%
Median Annual Tax Bill $4,857
Median Year Built 2019
Median Ownership Tenure 6 years

Properties on Keystone Ridge Dr

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

100 Keystone Ridge Dr

4 bd · 4 ba · 2,980 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$394,900Dec 2020 $5,4452025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

101 Keystone Ridge Dr

4 bd · 3.5 ba · 4,050 sqft · 0.281 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$399,900Jan 2020 $6,0252024 —Dec 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

102 Keystone Ridge Dr

3 bd · 3 ba · 2,974 sqft · 0.242 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$399,900Mar 2021 $5,3702025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

104 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.265 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$327,161Mar 2021 $4,9972025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

105 Keystone Ridge Dr

4 bd · 3 ba · 2,964 sqft · 0.251 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$417,754Jul 2020 $5,2592025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

106 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.264 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,737Mar 2019 $4,1252025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

108 Keystone Ridge Dr

3 bd · 2 ba · 2,002 sqft · 0.263 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$329,900Jul 2018 —Jul 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

109 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.251 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$235,698Sep 2019 $4,0272025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

110 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.256 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$410,000Aug 2023 $4,9662025 Amount on Record Jul 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

111 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.301 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$358,483Jun 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2023

112 Keystone Ridge Dr

4 bd · 3 ba · 3,204 sqft · 0.228 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$335,288Jan 2019 $5,3532025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

113 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.337 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$314,401Sep 2018 $4,8812025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

114 Keystone Ridge Dr

4 bd · 3 ba · 2,904 sqft · 0.212 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$371,456Feb 2021 $5,1072025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

115 Keystone Ridge Dr

4 bd · 3 ba · 2,964 sqft · 0.271 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$388,228Jan 2020 $4,8952025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

116 Keystone Ridge Dr

4 bd · 2.5 ba · 2,768 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$313,654Apr 2020 $4,7972025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

117 Keystone Ridge Dr

3 bd · 3 ba · 2,976 sqft · 0.262 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$569,240Jan 2026 $5,4812025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

118 Keystone Ridge Dr

4 bd · 2.5 ba · 2,844 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$344,503Mar 2021 $4,8952025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

119 Keystone Ridge Dr

4 bd · 4 ba · 3,222 sqft · 0.253 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$345,000Aug 2018 $5,3252025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

120 Keystone Ridge Dr

3 bd · 3 ba · 1,573 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$410,000May 2025 $4,5862025 —Sep 2020 2 Names on Record Assessor + 1 DocumentUpdated Mar 2026

121 Keystone Ridge Dr

4 bd · 3 ba · 2,836 sqft · 0.244 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$336,328Oct 2020 $4,8882025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

122 Keystone Ridge Dr

4 bd · 3 ba · 2,836 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$308,900Dec 2019 $4,7712025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

123 Keystone Ridge Dr

3 bd · 3 ba · 2,480 sqft · 0.235 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$440,470May 2025 $4,3962024 Amount on Record May 2024 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Apr 2026

124 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 1.49 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$398,851Oct 2018 $4,8942025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

125 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.227 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$492,100May 2024 $4,8662025 —Nov 2021 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

126 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$288,285Dec 2020 $4,1472025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

127 Keystone Ridge Dr

3 bd · 2 ba · 1,573 sqft · 0.231 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$22,500Aug 2021 $4,0942025 Amount on Record Mar 2020 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

128 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2021 $4,1092025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

129 Keystone Ridge Dr

3 bd · 3 ba · 2,976 sqft · 0.224 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$386,758Jul 2019 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

130 Keystone Ridge Dr

4 bd · 3 ba · 3,000 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$368,000May 2019 $5,2612025 —Aug 2018 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Mar 2026

131 Keystone Ridge Dr

4 bd · 3 ba · 2,720 sqft · 0.219 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$346,639Nov 2018 $4,7482025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

132 Keystone Ridge Dr

4 bd · 3 ba · 2,798 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$337,984Jul 2019 $4,7842025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

133 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.208 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$339,700Feb 2021 $3,7222024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

134 Keystone Ridge Dr

3 bd · 2 ba · 2,002 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2024 $4,7922024 Amount on Record Nov 2023 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

135 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$313,657May 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2023

136 Keystone Ridge Dr

3 bd · 3 ba · 2,002 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$346,711Jun 2019 $5,6402025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

137 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2019 3 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2023

138 Keystone Ridge Dr

4 bd · 2.5 ba · 2,572 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2024 $4,9522024 Amount on Record Jun 2019 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

139 Keystone Ridge Dr

3 bd · 2 ba · 2,002 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
3 Names on Record Assessor + 1 DocumentUpdated Nov 2023

140 Keystone Ridge Dr

4 bd · 3 ba · 2,714 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$401,000Jul 2021 $4,7362025 —Aug 2020 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

141 Keystone Ridge Dr

4 bd · 3 ba · 2,994 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$339,586Jun 2019 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2023

142 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$264,900Aug 2020 $4,0902025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

143 Keystone Ridge Dr

4 bd · 3 ba · 2,545 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$300,506May 2020 $4,5652025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

144 Keystone Ridge Dr

4 bd · 4 ba · 3,206 sqft · 1.72 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$649,000Dec 2022 $5,7452025 Amount on Record Sep 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

145 Keystone Ridge Dr

3 bd · 2 ba · 2,002 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$398,200Sep 2021 $4,8012024 Amount on Record Jan 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

146 Keystone Ridge Dr

4 bd · 3 ba · 2,514 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$299,690Mar 2019 $4,4532025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

147 Keystone Ridge Dr

4 bd · 2 ba · 1,840 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$290,434Nov 2019 $4,5052025 —Nov 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

148 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$276,937Jun 2020 $4,1852025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

149 Keystone Ridge Dr

3 bd · 2 ba · 1,609 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2025 $4,1742025 —Jul 2019 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Mar 2026

150 Keystone Ridge Dr

4 bd · 2 ba · 1,840 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$321,605Jul 2020 $4,5152025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

151 Keystone Ridge Dr

4 bd · 3 ba · 2,674 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$300,684Dec 2019 $4,6692025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

152 Keystone Ridge Dr

4 bd · 3 ba · 2,524 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,082Dec 2020 $4,4672025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

153 Keystone Ridge Dr

4 bd · 2 ba · 1,800 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$284,999Mar 2020 $4,4942025 —Feb 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

154 Keystone Ridge Dr

4 bd · 4 ba · 2,836 sqft · 0.271 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Oct 2020 $4,9292025 Amount on Record Jan 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

155 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$548,292Feb 2026 $4,6782024 Amount on Record Apr 2023 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

157 Keystone Ridge Dr

4 bd · 3 ba · 2,542 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$302,222Jul 2020 $4,4232025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

159 Keystone Ridge Dr

3 bd · 2 ba · 1,571 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$252,094Apr 2020 $4,0812025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

160 Keystone Ridge Dr

4 bd · 3 ba · 2,524 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$317,426Aug 2020 $4,3862025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

161 Keystone Ridge Dr

4 bd · 3 ba · 3,174 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$365,524May 2020 $5,2872025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

162 Keystone Ridge Dr

3 bd · 3 ba · 2,524 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$341,570Mar 2021 $4,5712025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

163 Keystone Ridge Dr

4 bd · 3 ba · 2,836 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$343,086Jan 2021 $4,9012025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

164 Keystone Ridge Dr

4 bd · 3 ba · 2,568 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$299,900Dec 2019 $4,4992025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

165 Keystone Ridge Dr

4 bd · 2.5 ba · 2,964 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$323,040Apr 2019 $4,9502025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

166 Keystone Ridge Dr

4 bd · 4 ba · 3,630 sqft · 2.45 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$440,000Oct 2018 $6,3252025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

167 Keystone Ridge Dr

4 bd · 3 ba · 2,772 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$376,342Feb 2021 $4,8172025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

168 Keystone Ridge Dr

4 bd · 3 ba · 2,804 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$356,000Mar 2021 $4,8572025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

169 Keystone Ridge Dr

3 bd · 2 ba · 1,609 sqft · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jun 2022 —Nov 2019 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jan 2024

170 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$409,355Dec 2020 $4,9232025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

171 Keystone Ridge Dr

4 bd · 3 ba · 2,980 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2025 $5,0342025 —Jul 2020 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

172 Keystone Ridge Dr

4 bd · 4 ba · 3,139 sqft · 0.367 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$481,594Jun 2020 $5,6902025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Mar 2026

173 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$232,100Nov 2020 Amount on Record — 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

174 Keystone Ridge Dr

3 bd · 3 ba · 2,002 sqft · 1.98 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$417,849Jul 2018 $5,2862025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

175 Keystone Ridge Dr

4 bd · 3.5 ba · 2,900 sqft · 0.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$486,248Feb 2021 $5,7022024 Amount on Record May 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

176 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$365,258Mar 2020 $4,8422025 1 Name on Record Assessor + 1 DocumentUpdated Mar 2026

177 Keystone Ridge Dr

3 bd · 2 ba · 1,984 sqft · 0.548 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$346,267Mar 2019 $4,9602025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

178 Keystone Ridge Dr

4 bd · 3 ba · 3,222 sqft · 0.401 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$439,183May 2019 $5,3142025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

Property Records in Nearby Streets