Two-Unit Duplex Income
809 White Oak Drive O Fallon, IL 62269
809 White Oak Drive, O Fallon, IL, 62269
$265,000
For Sale
$265,000
MULTI_FAMILY - O'Fallon, IL
Property Size2,040 SF
Lot Size0.21 Acres
Price / SF$129.90
Days on Market32
Property Features for 809 White Oak Drive
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Standard status
- Active
- APN
- 04-19.0-404-012
- Size
- 2,040 SF
- Lot size
- 0.21 Acres
Taxes and HOA fees
- Tax Year
- 2024
- Tax Annual Amount
- 4053
Utilities
- Cooling system
- Central Air
Building Details
- Year built
- 1979
Listing agency
Landmark Realty
(618) 466-1513
Listed by
Matt Horn · License #471003243
(618) 466-1513
Added: Jun 22 Updated: Jul 22 at 7:36PM Checked: Jul 23 at 2:06AM
MLS# 26037835
Copyright © 2026 Mid America Regional Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This income-producing duplex features two separate units, each offering 2 bedrooms and 1 bathroom. Both sides are currently occupied, providing ongoing rental income. The property is described as well maintained.
The duplex is located at 809 White Oak Drive in O’Fallon, Illinois (St. Clair County). It sits on a 0.21-acre lot.
With a total property size of 2,040 square feet, this two-unit residential income property is set up for straightforward owner occupancy or investment ownership.
The duplex is located at 809 White Oak Drive in O’Fallon, Illinois (St. Clair County). It sits on a 0.21-acre lot.
With a total property size of 2,040 square feet, this two-unit residential income property is set up for straightforward owner occupancy or investment ownership.
Key Highlights
- Duplex income‑producing property built in 1979
- 2 units total: two 2‑bedroom, 1‑bath apartments
- Both sides currently occupied
Local Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $25.7k | $12.60 |
| − Vacancy | −$1.7k | −$0.82 |
| EGI | $24.0k | $11.78 |
| − OpEx | −$7.2k | −$3.53 |
| NOI | $16.8k | $8.25 |
2,040 SF · lease $12.60/SF/yr · vacancy 6.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$240.3K
$210.3K – $280.4K
NOI $16,823 @ 7.0% cap · market cap 6.35%
Second Best
Apartment 5plus
$216.5K
$189.4K – $252.6K
NOI $15,155 @ 7.0% cap · market cap 5.72%
Theoretical Best
Office A
$482.9K
$422.6K – $563.4K
NOI $33,806 @ 7.0% cap · market cap 12.76%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
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FAQs
What type of property is this?
Duplex - Well maintained duplex with two 2-bedroom, 1-bath units, both currently occupied.
Where is this duplex located?
The property is located at 809 White Oak Drive O Fallon, IL.
What is the asking price?
The asking price for this property is $265,000.
What are key features of this property?
This property features: Duplex income‑producing property built in 1979; 2 units total: two 2‑bedroom, 1‑bath apartments; Both sides currently occupied
