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Wisconsin

Office

Rock County, WI Office Spaces for Sale

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Milwaukee, WI Madison, WI Green Bay, WI Fond Du Lac, WI Wisconsin Rapids, WI Superior, WI Rhinelander, WI Appleton, WI

7 properties

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Downtown Office Building with Two Suites

Updated: Jul 19

Downtown Office Building with Two Suites

123 N Jackson Street, Janesville, WI 53548

$329,000

1,968 sqft 0.10 AC lot

1974‑built commercial property with shingle roof in downtown Janesville
Two separate office suites with a versatile floor plan for professional and service‑based businesses
Shared hallway with two exits and two fully renovated restrooms
One suite includes exclusive basement access with 550+ SF for storage, records, inventory, or workspace
Renovations include new double‑hung windows, siding, soffit, fascia, and gutters

This listing looks promising.

Here's a quick look at some key insights for

123 N Jackson Street, Janesville, WI 53548

View Property Analytics

Est. Cap Rate

7.9%
Above avg (5.9%)
Est. NOI

$26K
Annual
Mortgage

$25K
Jun 2017
Last Sold

Apr 2026
$170K
Property Type

Commercial (General)
Built 1974

View Property Analytics

Three-Story Brick Office Building

Updated: Jul 14

Three-Story Brick Office Building

205 W Grand Avenue, Beloit, WI 53511

$85,000

0.13 AC lot

Three‑story brick commercial building in Beloit, WI, built in 1942
Tenant pays $1,100/month rent and their own utilities; currently month‑to‑month
Forced air heat using natural gas; municipal sewer and public water
Downtown location in Beloit’s CBD‑1 zoning (Central Business District 1)
0.133‑acre lot with Rock County parcel ID 13530475; total square footage listed as coming soon

Freestanding Commercial Building with Drive-Thru

Freestanding Commercial Building with Drive-Thru

1795 S Madison Rd Beloit, WI 53511, Beloit, WI 53511

$698,000

4,388 sqft 1.50 AC lot

4,388 SF building on 1.5 acres with drive-thru.

Freestanding Office Building with Drive-Thru

Freestanding Office Building with Drive-Thru

2636 US Hwy 51, Janesville, WI 53546

$698,000

2,606 sqft 1.00 AC lot

2,606 SF office building with drive-thru on one acre.

Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center

Freestanding Building on West Court

Freestanding Building on West Court

2100 W Court St, Janesville, WI 53545

$349,500

2,161 sqft

Versatile 2,161 SF building on high-visibility corner.

Income-Producing Beloit Retail Strip Center

Income-Producing Beloit Retail Strip Center

1517 E Huebbe Pkwy, Beloit, WI 53511

$430,000

6 sqft

Fully leased office and retail strip center in Beloit, Wisconsin.

Three-Story Brick Office Building

Three-Story Brick Office Building

205 W Grand Avenue, Beloit, WI 53511

$85,000

0.13 AC lot

Three-story brick commercial office building with forced air natural gas heat; upper floors need remodeling.

Based on your search, we've compiled 76 Potential Opportunities for your consideration. Besides 7 Active listings in Rock County, WI, we suggest exploring several alternatives: similar 65 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Commercial Land in Rockton, IL

Commercial Land in Rockton, IL

N Main, Rockton, IL 61072

$550,000

13.20 AC lot

13.2 acres of commercial land near downtown Rockton.

Zoned Commercial General Development Land

Zoned Commercial General Development Land

N Main Street, Rockton, IL 61072

$550,000

13.20 AC lot

Commercially zoned acreage near Red Barn Golf Course and nearby housing, offering flexibility for a range of business uses.

High-Visibility Highway Commercial Lot

High-Visibility Highway Commercial Lot

Parcel 2355.1000 lot: 1, Brodhead, WI 53520

$205,000

1.90 AC lot

Zoned C2 Highway Commercial with level terrain and utilities at the lot line, suited for a variety of development uses.

C-2 Highway Commercial Land Site

C-2 Highway Commercial Land Site

Parcel 2355.2000 lot: 1, Brodhead, WI 53520

$205,000

1.90 AC lot

Level C-2 commercial lot with utilities at the lot line and high visibility along Highway 11.

Off-Market Properties in Rock County, WI

Consider similar Off-Market properties in Rock County, WI. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

OFFICE (GENERAL)

421 Hwy St, Edgerton, WI 53534-1906

Value Estimation by Request

5.97 AC lot

OFFICE BUILDING

241 Allen St, Clinton, WI 53525-9001

Value Estimation by Request

1,800 sqft 0.09 AC lot

OFFICE BUILDING

1920 Hart Rd, Beloit, WI 53511-2231

Value Estimation by Request

3,792 sqft 0.49 AC lot

Beloit, WI 53511

OFFICE BUILDING

Beloit, WI 53511

Value Estimation by Request

1,780 sqft 0.19 AC lot

Beloit, WI 53511

OFFICE BUILDING

Beloit, WI 53511

$775,000

Estimated value

13,374 sqft 1.54 AC lot

MEDICAL CLINIC

123 Henry St, Edgerton, WI 53534-1822

Value Estimation by Request

600 sqft 0.20 AC lot

2043 Liberty Ave

OFFICE BUILDING

2043 Liberty Ave, Beloit, WI 53511-4028

Value Estimation by Request

0.29 AC lot

347 John Paul Rd

OFFICE BUILDING

347 John Paul Rd, Milton, WI 53563-1224

Value Estimation by Request

1,036 sqft 0.65 AC lot

1680 Huebbe Pkwy

OFFICE BUILDING

1680 Huebbe Pkwy, Beloit, WI 53511-1718

Value Estimation by Request

0.40 AC lot

OFFICE BUILDING

654 Blf St, Beloit, WI 53511-6156

Value Estimation by Request

1,716 sqft 0.21 AC lot

MEDICAL CLINIC

1110 Main St, Edgerton, WI 53534-1328

Value Estimation by Request

0.64 AC lot

OFFICE BUILDING

1144 4th St, Beloit, WI 53511-4416

Value Estimation by Request

0.12 AC lot

OFFICE BUILDING

237 Allen St, Clinton, WI 53525-9001

Value Estimation by Request

1,460 sqft 0.11 AC lot

3005 Riverside Dr

OFFICE BUILDING

3005 Riverside Dr, Beloit, WI 53511-1500

Value Estimation by Request

4,038 sqft 2.68 AC lot

OFFICE BUILDING

630 Grand Ave, Beloit, WI 53511-6460

Value Estimation by Request

2,036 sqft 0.20 AC lot

1725 Madison Rd

OFFICE BUILDING

1725 Madison Rd, Beloit, WI 53511-3227

Value Estimation by Request

5,904 sqft 0.83 AC lot

OFFICE BUILDING

903 Grand Ave, Beloit, WI 53511-6318

Value Estimation by Request

5,516 sqft 0.19 AC lot

Rock County, WI Office Spaces Market Trends and Statistics

Explore 72 office spaces for sale in Rock County, WI, showcased through 7 active listings on our real estate platform. These investment opportunities span a total of 76,431 square feet of properties for sale, with an estimated market value of $5,507,800.

Sale prices for office spaces in Rock County, WI start at $164,900, averaging $611,977, and reaching up to $2,400,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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