2. 409 Keystone Dr Fenton MO
409 Keystone Dr Fenton MO

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409 Keystone Dr Fenton, MO

409 Keystone Dr Fenton, MO 63026 was built in 1999 and last sold for $161,600. The property has a lot size of 11,761 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 412,000, reflecting a 0% change over the past year, with available bedroom details, 2.5 baths, and approximately 972 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

$161,600
Last sold Jun 18, 2026
2.5
Baths
972
Sqft
Off Market
$412,000 estimated value
Built in 1999
$424/sqft
11,761 lot sqft
$500 HOA fees

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
02-1.0-02.0-4-001-070
Parking
1
Subdivision
Winter Valley 3
Heating
Central
Cooling
Central
Stories
2

Property History

Over the last 12 months, the sales price of 409 Keystone Dr Fenton, MO 63026 has increased by 0%, and the tax increased by 9%.

Price History

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Year Price Price/Sq Ft
2026 $ 415,000 0 % $ 427
2025 $ 414,000 12 % $ 426
2024 $ 369,000 10 % $ 380
2023 $ 333,000 8 % $ 343
2022 $ 308,000 0 % $ 317
2021 $ 309,000 ---- $ 318

Tax History

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Year Taxes Assesments
2025 $ 3,314 9 % $ 46,800
2024 $ 3,019 0 % $ 41,200
2023 $ 3,024 7 % $ 41,200
2022 $ 2,811 0 % $ 38,300
2021 $ 2,809 ---- $ 38,300
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Owner

Mark Bloethner Mark Gerard Bloethner , Age 58

Lives at 409 Keystone Dr, Fenton, MO 63026-4890
Relatives: Colleen Bloethner, Alfred Elizabeth, Caitlin Bloethner, Carly Bloethner, Cassidy Bloethner, Cecelia Bloethner, Elizabeth Bloethner, Karen Tyler, Steven Bloethner
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People Living at 409 Keystone Dr Fenton, MO

Mark Bloethner Mark Gerard Bloethner , Age 58

Lives at 409 Keystone Dr, Fenton, MO 63026-4890 Fenton MO 63026 409 Keystone Dr
Prior addresses: 3476 Evergreen Ln, Apt A, Saint Louis, MO 63125-4829 Saint Louis MO 63125 3476 Evergreen Ln, Apt A 8008 Mcgee St, Saint Louis, MO 63123-3515 Saint Louis MO 63123 8008 Mcgee St
Relatives: Colleen Bloethner, Alfred Elizabeth, Caitlin Bloethner, Carly Bloethner, Cassidy Bloethner, Cecelia Bloethner, Elizabeth Bloethner, Karen Tyler, Steven Bloethner
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Colleen Bloethner Colleen Scott Bloethner , Age 59

Lives at 409 Keystone Dr, Fenton, MO 63026-4890 Fenton MO 63026 409 Keystone Dr
Prior addresses: 3476 Evergreen Ln, Apt A, Saint Louis, MO 63125-4829 Saint Louis MO 63125 3476 Evergreen Ln, Apt A 927 Grovena Dr, Saint Louis, MO 63126-1110 Saint Louis MO 63126 927 Grovena Dr
Relatives: Mark Bloethner, Caitlin Bloethner, Carly Bloethner, Carol Hunt, Carol Scott, Cassidy Bloethner, Cecelia Bloethner, Christine Scott, Courtney Mayer
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Cecelia Bloethner Cecelia Anna Bloethner , Age 26

Lives at 409 Keystone Dr, Fenton, MO 63026-4890 Fenton MO 63026 409 Keystone Dr
Prior addresses: 7804 Leona St, Saint Louis, MO 63123-7725 Saint Louis MO 63123 7804 Leona St
Relatives: Caitlin Bloethner, Carly Bloethner, Cassidy Bloethner, Colleen Bloethner, Mark Bloethner, Alfred Elizabeth, Carol Hunt, Carol Scott, Christine Scott
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Abby Matney Abby R Matney , Age 24

Lives at 109 NW Coral Ln, Ankeny, IA 50023-2307 Ankeny IA 50023 109 NW Coral Ln
Prior addresses: 409 Keystone DR, Fenton, MO 63026-4890 Fenton MO 63026 409 Keystone DR
Relatives: Jeffrey Arment, Mark Matney, Bradley Arment, Brady Arment, Colten Arment, Dorene Arment, Jeanice Arment, Joanne Matney
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Caitlin Bloethner Caitlin Elizabeth Bloethner , Age 33

Lives at 5 Gold Run Dr, Saint Peters, MO 63376-2509 Saint Peters MO 63376 5 Gold Run Dr
Prior addresses: 409 Keystone Dr, Fenton, MO 63026-4890 Fenton MO 63026 409 Keystone Dr
Relatives: Carly Bloethner, Cassidy Bloethner, Cecelia Bloethner, Colleen Bloethner, Mark Bloethner, Alfred Elizabeth, Carol Hunt, Carol Scott, Christine Scott
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Thomas Kolterman Thomas E Kolterman , Age 71

Lives at 216 Cassandra Dr, Apt D, Chalfont, PA 18914-2004 Chalfont PA 18914 216 Cassandra Dr, Apt D
Prior addresses: 1215 N Middleton DR NW, Apt 2505, Calabash, NC 28467-2172 Calabash NC 28467 1215 N Middleton DR NW, Apt 2505 100 Cobblers Cir, Carolina Shores, NC 28467-2365 Carolina Shores NC 28467 100 Cobblers Cir 932 Log College Dr, Warminster, PA 18974-1806 Warminster PA 18974 932 Log College Dr
Relatives: Susan Kolterman, Chase Kolterman, Melinda Donahue, Sarah Matthews, Anna Plumb, Ashley Clemmer, Barbara Hanuscin, Brenda Dye, Carla Hostetter
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Faith Cartwright Faith Cartwright , Age 55

Lives at 955 S German Ln, Apt K3, Conway, AR 72034-6066 Conway AR 72034 955 S German Ln, Apt K3
Prior addresses: 1826 Hogan Ln, Apt 2607, Conway, AR 72034-8176 Conway AR 72034 1826 Hogan Ln, Apt 2607 Po Box 2531, Conway, AR 72033-2531 Conway AR 72033 Po Box 2531 3700 Jeanna Dr, Lot 20, Conway, AR 72034-9356 Conway AR 72034 3700 Jeanna Dr, Lot 20
Relatives: Cornelius Cartwright, Shalisha Cartwright, Shaunice Cartwright, Ashanti Lea, Cassandra Lea, Derrius Pattillo, Jacobi Pattillo, Jaquan Cartwright
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Patricia Scott Patricia A Scott , Age 97

Lives at 12563 Village Circle Dr, Apt 3214, Saint Louis, MO 63127-1776 Saint Louis MO 63127 12563 Village Circle Dr, Apt 3214
Prior addresses: 6606 Morganford Rd, Saint Louis, MO 63116-2836 Saint Louis MO 63116 6606 Morganford Rd 927 Grovena Dr, Saint Louis, MO 63126-1110 Saint Louis MO 63126 927 Grovena Dr
Relatives: Carol Hunt, Carol Scott, Christine Scott, Colleen Bloethner, Courtney Mayer, Cynthia Oster, Harry Scott, Patricia Scott, Robert Scott
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Neighbors

405 Keystone Dr
Fenton, MO
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413 Keystone Dr
Fenton, MO
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408 Keystone Dr
Fenton, MO
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401 Keystone Dr
Fenton, MO
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FAQs

Who lives at 409 Keystone Dr, Fenton, MO 63026?
According to our records, the current person living in 409 Keystone Dr is Mark Bloethner.
Is this property currently for sale?
The property is not for sale and last sold for $161,600 on Jun 18, 2026. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $412,000, reflecting a 0% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 972 sq ft of living space on a 11,761 sq ft lot, built in 1999 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 405 Keystone Dr, 413 Keystone Dr, and 408 Keystone Dr, each with its own property report to help compare size, value, and residents.