Renovated Two-Suite Office
For Sale
$329,000
123 N Jackson Street, Janesville, WI 53548
COMMERCIAL - Janesville, WI
Property Size1,968 SF
Lot Size0.10 Acres
Price / SF$167.17
Days on Market10
Property Features for 123 N Jackson Street
General Information
Property type
Commercial Sale
Property subtype
Other
Zoning
B6
Lot features
Free standing, High Traffic Location, High Visibility, Near Major Highway
Directions
South on Hwy 51 (Center way) to left on N Jackson
Subdivision
JANESVILLE - C
Standard status
Active
APN
2410136100202
Size
1,968 SF
Lot size
0.10 Acres
Taxes and HOA fees
Tax Year
2025
Tax Annual Amount
1704
Building Details
Year built
1974
Number of units
2
Roof type
Shingle
Listing Agency:
Keller Williams Realty Signature
(815) 315-1111
Listed By:
Brittney Rossato · License #475193315
(815) 975-1127
Added: Jul 27
Changed: Aug 5
Last Checked: Aug 5 at 10:06PM
MLS# 2028434
Copyright © 2026 REALTORS® Association of South Central Wisconsin. 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 office property contains two distinct suites within a shared commercial setting. The common hallway provides two exits and two renovated restrooms, while one suite includes private basement access with over 550 square feet for storage, records, inventory, or additional workspace. Interior updates include engineered wood flooring, fresh paint, and new double-hung windows. Exterior improvements include new siding, soffit, fascia, and gutters.
The property is located at 123 N Jackson Street in downtown Janesville, Wisconsin, with street presence and access from the surrounding commercial area. Built in 1974, the building contains 1,968 square feet on a 0.103-acre parcel and is zoned B6. The two-suite configuration supports separate office occupancy within the same property.
The property is located at 123 N Jackson Street in downtown Janesville, Wisconsin, with street presence and access from the surrounding commercial area. Built in 1974, the building contains 1,968 square feet on a 0.103-acre parcel and is zoned B6. The two-suite configuration supports separate office occupancy within the same property.
Key Highlights
- Two office suites within a shared commercial property
- 1,968 square feet on a 0.103‑acre parcel
- One suite includes basement access with over 550 square feet
Financial Insights For Office B
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 | $43.7k | $22.20 |
| − Vacancy | −$9.2k | −$4.66 |
| EGI | $34.5k | $17.54 |
| − OpEx | −$8.6k | −$4.38 |
| NOI | $25.9k | $13.15 |
1,968 SF · lease $22.20/SF/yr · vacancy 21.00% · expense 25.00%
Alternative Uses
Best Use
Office B
$369.8K
$323.6K – $431.4K
NOI $25,886 @ 7.0% cap · market cap 7.87%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$472.9K
$413.8K – $551.8K
NOI $33,105 @ 7.0% cap · market cap 10.06%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
2
Office units
Location Intelligence
Trade Area within ½ mile
1,380
Businesses Nearby
Explore this area
Business Placement
Demographics for 53548, WI
19,233
Population
8,894
Households
2.2
Avg Household Size
40
Median Age
27%
College-Educated
94%
High-School Grad
75.0 sq mi
ZIP Area
256
Density / Sq Mi
$74,696
Median Household Income
$41,508
Median Earnings
$999
Median Rent
$226,600
Median Home Value
Market
Vacancy Rate% for Office in Midwest region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Office units - Downtown setting with upgraded finishes, separate work areas, and shared restrooms.
Where is this office units located?
The property is located at 123 N Jackson Street Janesville, WI.
What is the asking price?
The asking price for this property is $329,000.
What are key features of this property?
This property features: Two office suites within a shared commercial property; 1,968 square feet on a 0.103‑acre parcel; One suite includes basement access with over 550 square feet
