Looking for multigenerational living or the potential for additional income with a second home as an Airbnb or short-term rental? Incredible opportunity to own 5.23 acres featuring two homes, an oversized detached two-car garage, and a beautiful setting backing to woods and a creek! This charming two-story main home offers 3 bedrooms, 1 full bath upstairs, and much of its original architectural character and beauty. Enjoy an updated kitchen with stainless steel appliances, fresh neutral colors throughout, and plenty of space for entertaining. The basement offers additional finished space for gatherings, recreation, sleeping space, and storage. Recent improvements include an updated electrical panel, roof, and basement windows. The septic system has been serviced every two years. The second home has been beautifully updated from a previous structure and offers a charming studio-style layout featuring 1 bedroom, 1 full bath, kitchen, living and dining areas, and a convenient laundry closet. Perfect for extended family, guests, or potential rental opportunities! Additional highlights include an oversized driveway, ample parking, and an oversized detached two-car garage conveniently located next to the main house. And the "potential" to add an additional structure further down from the secondary home and "possibly" with it's own entrace! A Choice Ultimate home warranty with added well and septic coverage is also included! With 5.23 acres, two residences, and a peaceful wooded backdrop, this unique property offers endless possibilities and is truly a must-see!
Your will love the charm this 98 year old home has. It has a beautiful front porch and front door. Main floor living and dining has hardwood floor and a stained glass window. There are updated windows through out the home. The modern day kitchen offers built in oven and microwave, 42' cabinets and granite counter tops, ceramic floors with a powder room off of the kitchen. There is a 4 seasons room off the back of the kitchen that walks out to a deck and to the oversize detached garage 24 x 24. the upper level of the home has 3 bedrooms and 1 large bath with double sinks. The laundry is found in the lower level with a utility sink. The basement has drywall but needs finishing touches. There were 2 wood burning fire places that have been closed off in the home. You will also love the 30 x 36 outbuilding with running water and electric. All of this is nested on 5 plus acres just outside of town. So don't wait stop by and see this charming home.
Year
Property tax
Land + Additions
Assessment*
2025
$3,200 (+0.9%)
2024
$3,170
2023
$3,169 (+17.1%)
2022
$2,707
2021
$2,705 (+3.7%)
2020
$2,608 (+0.3%)
2019
$2,599 (−0.6%)
2018
$2,616 (+0.6%)
2017
$2,601 (+2.8%)
2016
$2,531 (+8.0%)
2015
$2,344 (+1.8%)
2014
$2,302
Public record
Public record
Zoning
Permits
Beds
4
Baths
2.5
Stories
2.5
Lot width
—
Lot depth
—
Lot size
5.24 Acres
Year renovated
—
Finished Sq. Ft.
1,893
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,893
Year built
1919
Style
Single Family Residential
County
St. Charles County
APN
2-0042-S017-00-0002.5000000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 26, 2026.
A
Agricultural District
The intent of this district is to provide for agricultural, recreational, wildlife, open space, farming, river oriented uses and related uses and to discourage premature and disassociated urban development. The minimum lot size of 5 acres is designed to support agricultural uses and home sites which require proper siting in a rural area.
Permitted uses
Include but are not limited to:
Agriculture
Dairy
Livestock production
Religious facility
Housing-Single unit
Public service
Educational/school
Golf related
Cemetery
Park & open space
Apr 22, 2022 • Final
Residential building
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 108° expected this year, 20 days in 30 years
2/10 Wind Factor
1% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
O Fallon, MO • 63366
Average low and high temperatures (°F)
38
20
47
27
66
41
72
51
76
56
85
68
90
72
86
66
85
59
74
50
57
40
46
29
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
95/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 30% for direct sun exposure in O Fallon. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.7 hrs
6.4 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 1600 Koch Rd
There isn’t enough information to generate an accurate estimate at this time. Learn More
More resources
Rental earnings
Est. $2,327 per month, based on comparable rentals