Janesville, WI Office Spaces for Lease

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Updated: Jul 16

Class A Flex Space

401 S Wright Rd, Janesville, WI 53546

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16,933 sqft

Less than one mile from Interstate 90
On‑site café, tenant lounge, and collaboration areas
Full‑service fitness center included on the property
Conferencing and training rooms available
On‑site parking for staff and visitors

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Updated: May 7

Prospect 101 Office Unit

100-101 E Milwaukee St, Janesville, WI 53545

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1,970 sqft

1,970 SF of office space
Available for sublease
Located in Janesville, WI
Identified as an office unit at Prospect 101

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Updated Flex Space with Warehouse

1310 Plainfield Avenue, Janesville, WI 53545

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Single-story layout combines office, meeting, break-room, and warehouse areas with on-site parking.

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Historic Downtown Retail Space

109-113 E Milwaukee, Janesville, WI 53545

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Recently renovated retail space with exposed brick, 12-foot ceilings, large display windows, and included utilities.

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Riverfront Office Suites

111 N Main St, Janesville, WI 53545

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Two available suites offer elevator access, abundant daylight, and connections to walking and biking trails.

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Medical Office Suite with Offices

1820 Center Ave, Janesville, WI 53546

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10,495 sqft

Former behavioral health clinic suite with multiple private offices, a conference room, and storage space in a shopping center.

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Office Space at Johnson Bank

2021 Holiday Drive, Janesville, WI 53545

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Office space available for rent at 2021 Holiday Drive.

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Janesville Office or Retail Space

4407 Milton Ave, Janesville, WI 53546

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Office or retail space for lease in Janesville, WI.

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Based on your search, we've compiled 29 Potential Opportunities for your consideration. Besides 8 Active listings in Janesville, WI, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 17 Properties for Sales.

Office Spaces for Lease in Nearby Cities

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

Office Units with Restrooms

50 Eclipse Ctr, Beloit, WI 53511

$12 SF/Yr

1,415 sqft

Flexible office leasing within a renovated two-story building with on-site services and convenient interstate access.

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Industrial Flex Building with Office

901 Janesville Avenue, Fort Atkinson, WI 53538

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195,822 sqft 11.18 AC lot

Industrial and office space with clear heights up to 28 feet, heavy power, and robust loading for logistics operations.

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Retail/Office Space Available For Rent

1121 Whitewater Ave, Fort Atkinson, WI 53538

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2,800 sqft

2,800 SqFt single tenant retail or office space for rent.

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Historic Ironworks: Loft-Style Creative Spaces

801 4th St, Beloit, WI 53511

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750,000 sqft

Renovated industrial complex offering unique loft-style offices and creative spaces.

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Similar Spaces for Sale in Janesville, WI

Consider Similar Space for Sale. We found 17 Spaces matching your search parameters.

Industrial Warehouse with Office-Lab Space

401 E Conde Street, Janesville, WI 53546

$2,400,000

30,000 sqft 3.20 AC lot

Industrial facility with dedicated office and lab areas, loading infrastructure, substantial power, secure access, and municipal utilities.

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Renovated Two-Suite Office Property

123 N Jackson Street, Janesville, WI 53548

$315,000

1,968 sqft 0.10 AC lot

B6-zoned commercial space provides flexible accommodation for professional and service-oriented businesses.

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Flex Building with Warehouse

401 E Conde Street, Janesville, WI 53546

$208,500

30,000 sqft 3.20 AC lot

Versatile industrial property combining office, lab, warehouse, and secured site improvements within M2 zoning.

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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.

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Freestanding Building on West Court

2100 W Court St, Janesville, WI 53545

$395,000

2,161 sqft 0.33 AC lot

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

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Mixed-Use Property with B4 Zoning

2640 Milton, Janesville, WI 53545

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4,660 sqft 1.28 AC lot

B4 zoning and access to two commercial arteries support flexible mixed-use planning.

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Industrial Building with 24-Foot Ceilings

401 E Conde Street, Janesville, WI 53546

$2,400,000

30,000 sqft 3.00 AC lot

Industrial building combining office/lab space with a 22,594 sq ft warehouse and 24-foot ceilings, docks, and secured site features.

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Freestanding Building on West Court

2100 W Court St, Janesville, WI 53545

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2,161 sqft

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

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Updated Two-Story Office Building

1702 W Court, Janesville, WI 53548

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1,170 sqft

Flexible office layout with conference space, furnished interiors, garage, parking, deck, and an ADA-compliant ramp.

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Office Units with Private Offices

4256 Fox Hills Ct, Janesville, WI 53546

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783 sqft

Flexible office layout with a reception area, workroom, private restroom, parking, and access near Hwy 26.

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Updated Flex Space with Warehouse

A-1310 Plainfield Ave, Janesville, WI 53545

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Single-story layout combines office, meeting, break-room, and warehouse areas with multiple parking spaces.

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Two-Story Office Building

22-26 S Jackson St, Janesville, WI 53548

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Built in 2007, the property includes elevator service and both on-site and street parking.

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Remodeled Flex Building with Cold Storage

433 S Arch St, Janesville, WI 53548

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1.00 AC lot

M-1-zoned facility combines office areas with heated work space and specialized storage.

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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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Freestanding NNN Animal Hospital

3710 E Racine St, Janesville, WI 53546

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Veterinary facility across from SSM Health Hospital with convenient access to I-90.

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Elevator-Served Office Building

2020 E. Milwaukee St, Janesville, WI 53545

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Multi-suite commercial property with varied buildouts, multiple entrances, and on-site parking.

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Janesville, WI Office Spaces Lease Rates & Market Statistics

Browse 8 Office Spaces for lease in Janesville, WI on Realmo, a commercial real estate marketplace serving the Janesville area. The current inventory totals 29,398 square feet of properties.

Janesville accounts for 73% of the 11 office spaces currently available across Rock County, where a nearby market includes Beloit.

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