Great Investment Opportunity in Downtown Waterloo!
Don’t miss your chance to own a duplex in the heart of downtown Waterloo. Each unit offers its own unique layout and features, making it an excellent option for investors or owner-occupants.
Unit 1 includes 1 bedroom, 1 full bath, a spacious living room, and an open kitchen and dining area. The basement offers additional storage and laundry hookups for convenience. Unit 2 features 3 bedrooms, 1 full bath, a kitchen and dining area, laundry hookups in the basement, and an attached 2-car garage.
This is the perfect addition to add to your investment portfolio! This duplex offers versatility and great income potential—all within walking distance to downtown amenities, shops, and restaurants.
Active
Listed by: eXp Realty • Jena Gibbs • 618-317-2319
$219,900
201 Koenigsmark Ave, Waterloo, IL 62298
4beds
2baths
1,532sqft
Multi Family
Built in 1953
-- sqft lot
$215,400 Zestimate®
$144/sqft
$-- HOA
What's special
- 3 days
- 199
- 8
Zillow last checked:
Listing updated:
Listed by:
Jena Gibbs 618-317-2319,
eXp Realty
Source: MARIS,MLS#: 26071684
Originating MLS: Southwestern Illinois Board of REALTORS
Originating MLS: Southwestern Illinois Board of REALTORSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
Heating
- Dual Fuel/Off Peak
Cooling
- Central Air, Dual
Appliances
- Included: Microwave, Free-Standing Gas Oven, Refrigerator
- Laundry: In Basement
Features
- Basement: Block,Full,Unfinished
- Has fireplace: No
Interior area
- Total structure area: 1,532
- Total interior livable area: 1,532 sqft
- Finished area above ground: 1,532
- Finished area below ground: 0
Property
Parking
- Total spaces: 2
- Parking features: Attached
- Attached garage spaces: 2
Accessibility
- Accessibility features: Accessible Kitchen, Accessible Kitchen Appliances, Accessible Stairway
Features
- Levels: One and One Half
Lot
- Size: 5,532 Square Feet
- Features: Corner Lot
Details
- Parcel number: 0725202009000
- Special conditions: Listing As Is
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Other
- Property subtype: Multi Family
Materials
- Vinyl Siding
- Foundation: Block
- Roof: Shingle
Condition
- Year built: 1953
Utilities & green energy
- Electric: Other
- Water: Public
- Utilities for property: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Community & HOA
Community
- Subdivision: A J Koenigsmark Add
HOA
- Has HOA: No
Location
- Region: Waterloo
Financial & listing details
- Price per square foot: $144/sqft
- Tax assessed value: $176,550
- Annual tax amount: $3,591
- Date on market: 11/11/2026
- Listing terms: Cash,Conventional
- Electric utility on property: Yes
Estimated market value
$215,400
$205,000 - $226,000
$1,390/mo
Price history
| Date | Event | Price |
|---|---|---|
| 11/11/2026 | Listed for sale | $219,900+2.3%$144/sqft |
Source:  MARIS #26071684 Report a problem | ||
| 5/1/2026 | Listing removed | $215,000$140/sqft |
Source: eXp Realty #25067910 Report a problem | ||
| 3/8/2026 | Price change | $215,000-6.1%$140/sqft |
Source: MARIS #25067910 Report a problem | ||
| 2/19/2026 | Price change | $229,000-4.2%$149/sqft |
Source: MARIS #25067910 Report a problem | ||
| 12/24/2025 | Price change | $239,000-4%$156/sqft |
Source: MARIS #25067910 Report a problem | ||
| 11/4/2025 | Price change | $249,000-3.9%$163/sqft |
Source: MARIS #25067910 Report a problem | ||
| 10/10/2025 | Price change | $259,000-3.7%$169/sqft |
Source: MARIS #25067910 Report a problem | ||
| 10/7/2025 | Listed for sale | $269,000+69.2%$176/sqft |
Source: MARIS #25067910 Report a problem | ||
| 4/1/2010 | Sold | $159,000+13.6%$104/sqft |
Source: Public Record Report a problem | ||
| 4/20/2006 | Sold | $140,000$91/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $3,591 +11.7% | $58,850 +14.4% |
| 2024 | $3,215 +9.3% | $51,430 +9.6% |
| 2023 | $2,942 -3.9% | $46,940 0% |
| 2022 | $3,060 | $46,960 +15.7% |
| 2021 | -- | $40,590 +2% |
| 2020 | -- | $39,790 +3.5% |
| 2019 | -- | $38,460 +4.5% |
| 2018 | $2,485 | $36,790 -1.8% |
| 2017 | $2,485 | $37,453 +20% |
| 2016 | $2,485 +26.6% | $31,220 +6.4% |
| 2015 | $1,962 +4.7% | $29,350 |
| 2014 | $1,874 | $29,350 -7% |
| 2012 | $1,874 | $31,560 -1.7% |
| 2011 | -- | $32,090 -0.2% |
| 2010 | -- | $32,170 -1.7% |
| 2009 | -- | $32,740 -35.2% |
| 2008 | -- | $50,530 +12.3% |
| 2007 | -- | $44,980 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 62298
Nearby schools
Schools provided by the listing agent
- Elementary: Waterloo Dist 5
- Middle: Waterloo Dist 5
- High: Waterloo
Source: MARIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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