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21 San Carlos Drive, 
St Charles, MO 63303

$339,900

3

Beds

3

Baths

2,222

Sq Ft

Single Family

Active

Listed by

Tiffany N Ludwig

Fox & Riley Real Estate

Last updated:

September 19, 2026, 05:51 PM

MLS#

26059110

Source:

MO MARIS

About This Home

21 San Carlos Drive

OPEN HOUSE Sunday, Sept 20, 1-3pm. Location, updates & a private wooded backyard! This 3-bedroom, 2.5-bath ranch is ideally located just minutes from the restaurants, shopping & entertainment at Streets of St. Charles, with nearby parks and easy access to everything St. Charles has to offer. Situated on a .3-acre lot, this home features a 2-car garage, covered front porch, partially fenced yard & a great deck/patio combination overlooking the private wooded backyard. Inside you'll find fresh paint & new laminate flooring throughout the main living areas, new carpet in the bedrooms, separate dining room & a woodburning fireplace. The kitchen features updated appliances, while newer windows & a newer sliding glass door add to the home's improvements. Renovated primary bath plus updated hall bath with new flooring & tile shower surround. Additional upgrades include CAT6/fiber, recessed smart lighting & new ceiling fans.Partially finished LL offers a family room, office/workspace, craft area, exercise room with recessed lighting & half bath, plus plenty of storage and laundry facilities. 1 Yr HSA Home Warranty :)

Home Facts

Single Family

3 Baths

3 Bedrooms

Built in 1975

Subdivision & Development:

Crystal Spgs Wood

Price Summary

339,900

$152 per Sq. Ft.

MLS #:

26059110

Last Updated:

September 19, 2026, 05:51 PM

Added:

11 day(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

2

Interior

Living Area:

2,222 Sq. Ft.

Structure

Structure

Architectural Style:

Ranch

Building Area:

2,222 Sq. Ft.

Year Built:

1975

Lot

Lot Size (Sq. Ft):

13,068

Finances & Disclosures

Finances

Price:

$339,900

Price per Sq. Ft:

$152 per Sq. Ft.

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21 San Carlos Drive
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Sun, Sep 20
01:00 PM - 03:00 PM

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.