Backup offers
#25042668, Listing office: Coldwell Banker Realty - Gundaker
Property details
About 421 Keystone Dr
421 Keystone Drive, in the sought after Winter Valley Subdivision, is tucked away at the end of a peaceful cul-de-sac and backs to trees and common ground. This stunning 4-bedroom, 3.5-bath beauty offers over 2,500 sq ft of stylish, updated living space. The open concept main level is flooded with natural light and connects seamlessly to the backyard oasis. Enjoy summer like never before with your heated saltwater inground pool, surrounded by expansive outdoor entertaining space perfect for pool parties, BBQs, or a relaxing evening under the stars. Step inside to find acacia hardwood floors on the main level and an updated kitchen with stainless steel appliances. The second level has bamboo hardwood throughout and the large primary bedroom has a beautifully updated ensuite and a custom walk-in closet. The finished walk-out lower level features a bar, full bath, and additional sleeping space. Other major upgrades include a newer roof, gutters, HVAC and windows so you can move right in with peace of mind. Whether you're hosting the big game, poolside BBQs, or relaxing in your peaceful retreat, this home checks all the boxes. Come check it out before it is too late!
Highlights
Home typeSingle Family Residence
HeatingForced Air, Natural Gas
StatusActive
CoolingCentral Air
BasementYes
Lot size0.52 Acres
Year built1999
ParkingAttached, Concrete
MLS #25042109
Attached garage2 spaces
FireplaceGreat Room
ViewOther
Private poolYes
Summary
- Partial Bathrooms: 1
- Full Bathrooms: 3
- Basement: Yes
- Interior: Ceiling Fan(s), Custom Cabinetry, Double Vanity, Eat-in Kitchen, Entrance Foyer, High Speed Internet, Kitchen Island, Open Floorplan, Separate Dining, Separate Shower, Two Story Entrance Foyer, Walk-In Closet(s), Wet Bar
- Fireplace: Great Room
- Total Bedroom Count: 4
- Garage Space: 2 spaces
- Attached Garage: Yes
- Private Pool: Yes
- Parking: Attached, Concrete
- View: Other
- Exterior: Fence, Deck
- Architectural Style: Traditional
- Heating: Forced Air, Natural Gas
- Cooling: Central Air
- List Price: $485,000
- HOA Amount: $500 Annually
- Annual Tax Amount: $3,560
- Tax Year: 2024
- Lot: Back Yard, Cul-De-Sac, Front Yard, Landscaped, Few Trees, Sprinklers In Front, Sprinklers In Rear
- Year Built: 1999
- Lot Size: 0.52 Acres
- MLS Number: 25042109
- MLS Name: MARIS2
- Office Name: Realty Executives of St. Louis
- Office Phone: (314) 756-9100
Listings courtesy of Mid America Regional Information System as distributed by MLS GRID.
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. Properties displayed may be listed or sold by various participants in the MLS.
DMCA Notice
Based on information submitted to the MLS GRID. 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.
IDX information is provided exclusively for consumers personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Listings courtesy of MARIS MLS as distributed by MLS GRID. Copyright © 2025 Mid America Regional Information System (MARIS). All Rights Reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 7/8/2025, 11:38:27 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
Price information
Property sales
We're sorry, we currently don't have property sales data for this listing.
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2024 | $48,700 | $3,560 |
| 2023 | $48,500 | $3,560 |
| 2022 | $45,600 | $3,346 |
| 2021 | $45,600 | $3,344 |
| 2020 | $41,300 | $3,217 |
| 2018 | $40,500 | $3,149 |
| 2017 | $40,500 | $3,053 |
History based on county public records data.
Nearby schools
5
George Guffy Elementary School
Public District KG-5
1.2 mi
•400 13th St
5
Hagemann Elementary School
Public District PK-5
2.1 mi
•6401 Hagemann Rd
6
Meramec Heights Elementary School
Public District KG-5
2.5 mi
•1340 W Outer 21 Rd
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $89,948. Typical income of Fenton, MO residents is between $35k-100k annually. Residents typically live in married, with kids family. Residents of this area typically have post secondary degree education.
How much money do the neighbors make?
10%
<35k
46%
35k-100k
36%
100k-200k
8%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
What types of families live nearby?
30%
Single, No Kids
8%
Single, with Kids
24%
Married, No Kids
38%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
24%
<11 yrs old
9%
12-17 yrs old
20%
18-34 yrs old
42%
35-64 yrs old
5%
65+ yrs old
What do the neighbors do for fun?
Symphony or Opera
Tennis
Minor League Baseball Games
Where do the neighbors shop?
Chico's
IKEA
New York & Company
Where do the neighbors go to eat?
Boston Market
Chipotle
Chick-fil-A
What do the neighbors drive?
Volvo
Jeep
Kia
What do the neighbors listen to?
Talk/Personality
Alternative
Active Rock
All data provided by Home Junction and Claritas
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Frequently asked questions
About 421 Keystone Dr
The listing price of 421 Keystone Dr property is $485,000.
The property 421 Keystone Dr is a house located in Fenton, Missouri, 63026.
Active Listing: 421 Keystone Dr is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 421 Keystone Dr are: George Guffy Elementary School (GreatSchools Rating 5/10), Hagemann Elementary School (GreatSchools Rating 5/10), Meramec Heights Elementary School (GreatSchools Rating 6/10), Ridgewood Middle School (GreatSchools Rating 6/10), Washington Middle School (GreatSchools Rating 4/10), Sperreng Middle School (GreatSchools Rating 4/10), Lindbergh High School (GreatSchools Rating 9/10), Fox High School (GreatSchools Rating 4/10), Rockwood Summit High School (GreatSchools Rating 6/10).
According to the records, the last property tax for 2024 is $3,560 (source: MLS/based on county public records data).
The property at 421 Keystone Dr has 4 bedrooms and 3 full and 1 half bathrooms.
The year of construction for 421 Keystone Dr is 1999.
This home is located at 421 Keystone Dr in Fenton, MO and zip code 63026. Features: 4 bedrooms, 4 bathrooms. It has been listed on Rocket Homes since July 7, 2025 and is currently priced at $485,000.
Over 19 listings were sold over their listed price in June 2025 in Fenton, MO. In the same period over 9 listings were sold below the listed price and 2 listings were sold for the listed price. The inventory of homes for sale in Fenton, MO between May and June 2025 decreased by 3.1%. In June 2025, listings were on the market for 20 days. During the same period, the median list price in this real estate market was $360,000.
From Rocket Homes Real Estate and based on county public records data.