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Two-Unit Duplex with Finished Basement
For Sale
$230,000

528 King St, Belvidere, IL 61008

Two residential units provide distinct layouts, separate utility metering, and additional finished lower-level space.

Property SizeContact for details
Days on Market53

Property Features for 528 King St

General Information

Standard status Active
Property subtype Residential Income

Units

Unit Mix 1 x 1BR, 1 x 2BR
Multifamily Units 2

Additional Details

Utilities to Site Yes

Taxes and HOA fees

Annual Taxes $4,479

Amenities

deck
Listing Agency: Berkshire Hathaway Starck Real Estate
Listed By: Dixie Kalk
Source: Exprealty
Added: Jun 29 Changed: Aug 19 Last Checked: Aug 19 at 10:45AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Berkshire Hathaway Starck Real Estate

Investment Insights

Based on property information with market context.

This duplex contains two residential units with separate electric utility meters. The main-floor residence offers 1700 sqft with one bedroom, a living room, formal dining room, and large eat-in kitchen. Its finished basement includes two additional rooms, a family room, and a full bathroom, providing flexible space for office, recreation, or storage use. The upper residence contains 884 sqft, two bedrooms, an eat-in kitchen, and a deck overlooking the backyard.

The property is located at 528 King St in Belvidere, IL. All-electric systems serve both units, and tenants cover electric and garbage services. The separate metering and differing unit layouts provide clear physical separation between the residences.

Key Highlights

  • Two‑unit duplex at 528 King St, Belvidere, IL
  • Main‑floor unit includes 1700 sqft and 1 bedroom
  • Upper unit offers 884 sqft and 2 bedrooms

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Real Estate Agency HVAC Service Electrical Service Daycare Center Kitchen & Bath Showroom Skin Care Clinic

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

135
Businesses Nearby

Demographics for 61008, IL

33,747
Population
13,406
Households
2.5
Avg Household Size
40
Median Age
21%
College-Educated
83%
High-School Grad
84.3 sq mi
ZIP Area
400
Density / Sq Mi
$75,833
Median Household Income
$38,509
Median Earnings
$953
Median Rent
$185,200
Median Home Value

Market

Vacancy Rate% for Multifamily in Midwest region

6.5% 2022
7.5% 2023
7.8% 2024
8% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Two residential units provide distinct layouts, separate utility metering, and additional finished lower-level space.
Where is this duplex located?
The property is located at 528 King St Belvidere, IL.
What is the asking price?
The asking price for this property is $230,000.
What are key features of this property?
This property features: Two‑unit duplex at 528 King St, Belvidere, IL; Main‑floor unit includes 1700 sqft and 1 bedroom; Upper unit offers 884 sqft and 2 bedrooms
More about this property
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