135 S 8th Street, South Beloit, IL 61080
- Added:
- Jun 15, 2026
- Days on Market:
- 2
- Last Refresh:
- Jun 16 at 5:06 pm
Property Features for 135 S 8th Street
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Bedrooms
- 3
- Bathrooms
- 2
- Rooms
- Bedroom 3, Bedroom 1, Bedroom 2, Bathroom 1, Bathroom 2, Basement
- Appliances
- Dishwasher, Refrigerator, Oven
- Standard status
- Active
- APN
- 0406255010
- Size
- 1,617 SF
Taxes and HOA fees
- Tax Year
- 2025
- Tax Description
- FISHER MILLS + GOODHUES ADD TO THE TOWN OF BELOIT S 1/2 S 1/2 LT 1 + EXC E 45 FT S 1/2 S 1/2 LOT 002 BLOCK 012
- Tax Annual Amount
- 2248
Utilities
- Heating system
- Forced Air, Electric (Heating)
Building Details
- Year built
- 1925
- Floors in Building
- 2
- Number of units
- 2
- Roof type
- Shingle
Listing agent Olga Kampmeier License #475166479 (815) 621-9180
Listing office Keller Williams Realty Signature 4201 Galleria Dr., Loves Park, IL (815) 315-1111
Listing date Jun 15, 2026
Copyright © 2026 NorthWest Illinois Alliance of REALTORS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
HighLights
- Remodeled duplex built in 1925 with a 2‑car attached garage currently converted into a studio space with sliding patio doors
- Main‑floor unit has 2 bedrooms, 1 bathroom, spacious living room, updated kitchen, and large family room with a stone fireplace (could be converted to a 3rd bedroom)
- Upstairs 1‑bedroom unit features remodeled finishes throughout
- Major updates include new plumbing, electrical, drywall, flooring, stairs, exterior and interior doors, furnace, and water heaters
- Included appliances: dishwasher, refrigerator, and oven
- Heating includes forced air and electric (heating); roof is shingle
Overview
Upstairs is a remodeled one-bedroom unit with updated finishes. The property’s major improvements include new plumbing, electrical, drywall, flooring, stairs, exterior and interior doors, furnace, and water heaters, along with additional updates described in the remarks.
Located in South Beloit and described as minutes from downtown, the property provides a practical setup for an owner-occupant who wants rental income alongside their own space, or for an investor seeking a turnkey duplex with permitted, comprehensive interior and exterior updates. The configuration also supports flexible use of the garage conversion based on how a buyer intends to live, rent, or potentially reconfigure the space.
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 | $24.8k | $15.36 |
| − Vacancy | −$1.9k | −$1.18 |
| EGI | $22.9k | $14.18 |
| − OpEx | −$6.9k | −$4.25 |
| NOI | $16.0k | $9.93 |
Alternative Uses
Current Use by Public Records
Location Insight
- Map
- Local Demand
- City
- South Beloit
- County
- Winnebago
- State
- Illinois
- Longitude
- -89.046366
- Latitude
- 42.494743
