Janesville, WI Office Units for sale

Updated: Jul 27

Renovated Two-Suite Office Units

123 N Jackson Street, Janesville, WI 53548

$329,000

1,968 sqft 0.10 AC lot

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
Two exits and two fully renovated restrooms in the shared hallway
B6 zoning in downtown Janesville

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123 N Jackson Street, Janesville, WI 53548

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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

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Updated: Jul 5, 2025

Industrial Building with 24-Foot Ceilings

401 E Conde Street, Janesville, WI 53546

$2,400,000

30,000 sqft 3.00 AC lot

30,000 sq ft industrial building on 3 acres in Janesville’s South Side with 7,406 sq ft office/lab space and 22,594 sq ft warehouse
Warehouse has 24‑ft ceilings with 2 docks and 1 overhead door
Power includes 1,800 amps and a 300 kVA ABB transformer; NFPA 13 sprinkler system
Zoned M‑1 for industrial, warehouse, and R&D uses, including ethanol processes
Site features 38 parking stalls, secure fencing with razor wire, and an automatic gate plus security system

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NNN-Leased Flex Building

1007 Jerome, Janesville, WI 53546

Contact for pricing

4,000 sqft

Freestanding, NNN-leased flex building with heated/cooled garage bay and finished office quarters.

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Brick Mixed-Use Commercial Building

1321 West Court Street, Janesville, WI 53548

$219,900

2,112 sqft

Brick mixed-use building includes two commercial spaces, a rented apartment, and additional lower-level basement space.

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Two-Building Industrial Distribution Facility

1205 & 1227 Barberry Dr, Janesville, WI 53545

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45,475 sqft

Two connected industrial buildings include an office, multiple dock doors, and 22-foot clear height warehouse space.

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Multi-Use Office Building

4245 Fox Hills Ct, Janesville, WI 53546

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0.34 AC lot

Multi-use O-1 office building for sale with multiple offices and conference rooms, configured for potential two units.

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Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 6 Active listings in Janesville, WI, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 1 Off-Market properties to explore as potential leads

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

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.

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Flexible Office Building

1680 Huebbe Parkway, Beloit, WI 53511

Contact for pricing

784 sqft

New roof, gutters, interior paint, and updated flooring support a flexible layout with a bathroom and multiple usable rooms.

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Mixed-Use Main Floor Space

122 South Prairie Street, Unit 3, Rockton, IL 61072

Contact for pricing

9,005 sqft

Main floor unit with an open layout for retail or office use, with free parking in front and across the street.

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Mixed-Use Commercial Building

122 South Prairie Street, Rockton, IL 61072

Contact for pricing

9,005 sqft

Main-floor space offers a large open area plus multiple retail and office rooms with nearby public parking downtown.

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Off-Market Properties in Janesville, WI

Consider similar Off-Market properties in Janesville, 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 Units

4407 Milton Ave, Janesville, WI 53546

Value Estimation by Request

9,650 sqft

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Janesville, WI Office Units Market Trends and Statistics

Explore 7 office units for sale in Janesville, WI, showcased through 6 active listings on our real estate platform. These investment opportunities span a total of 83,555 square feet of properties for sale, with an estimated market value of $2,948,900.

Sale prices for office units in Janesville, WI start at $219,900, averaging $982,966, 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.

Neighborhood	Average Price
53548	$219.9K
53546	$2.4M

Neighborhood

Average Price

53548

$219.9K

53546

$2.4M