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350 W Ontario St 2,855 - 21,410 SF of Office Space Available in Chicago, IL 60654

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HIGHLIGHTS

  • Heart of river north- near feeder ramp
  • Conveniently located next to Ontario feeder ramp
  • Extremely Well-maintained building
  • Quiet Treelined Street
  • 4 Exposures of Windows for Great Light
  • Onsite parking available 24/7 Access

ALL AVAILABLE SPACES(4)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • Lower Level, Ste Garden Level
  • 2,855 SF
  • 2-10 Years
  • $41.88 CAD/SF/YR $3.49 CAD/SF/MO $119,561 CAD/YR $9,963 CAD/MO
  • Office
  • Full Build-Out
  • Now

Natural light in the garden level. 2,850 square feet with Kitchen, hardwood floors, private restrooms. Can be combined with First Floor

  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 9,040 SF of adjacent space
  • Kitchen
  • Natural Light
  • Open-Plan
  • Full Size Kitchen
  • Onsight Parking Available
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Private Restrooms
  • After Hours HVAC Available
  • Hardwood Floors
  • Natural light
  • 1st Floor, Ste 1st Floor
  • 6,185 SF
  • 2-10 Years
  • $41.88 CAD/SF/YR $3.49 CAD/SF/MO $259,013 CAD/YR $21,584 CAD/MO
  • Office
  • Full Build-Out
  • Now

1st floor walk up 6,185 sq ft entire floor. Formerly Bright Horizons (a preschool) can be customized conventionally. (Kitchen) private restrooms, wood floors) Can be combined with Garden level. Fantastic River North location with onsite parking.

  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 9,040 SF of adjacent space
  • Kitchen
  • After Hours HVAC Available
  • Hardwood Floors
  • Onsight Parking Available
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Private Restrooms
  • Open-Plan
  • Full Size Kitchen
  • 4th Floor, Ste 4th Floor
  • 6,185 SF
  • 2-10 Years
  • $41.88 CAD/SF/YR $3.49 CAD/SF/MO $259,013 CAD/YR $21,584 CAD/MO
  • Office
  • Full Build-Out
  • Now

Amazing full floor opportunity for lease. Tenant controls HVAC and is provided parking on-site. Space has a full-sized, eat-in kitchen. The space is move-in ready or is able to be customized as you wish. Office and conference rooms are equipped with chairs and desk. All workstations are wired. 3 Restrooms in the space. Furnishing is optional.

  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Space is in Excellent Condition
  • Kitchen
  • After Hours HVAC Available
  • Full Size Kitchen
  • Fully Built-Out as Standard Office
  • 5 Private Offices
  • 30 Workstations
  • Central Air Conditioning
  • Private Restrooms
  • Open-Plan
  • Onsight Parking Available
  • 6th Floor, Ste 600
  • 6,185 SF
  • 2-7 Years
  • $43.27 CAD/SF/YR $3.61 CAD/SF/MO $267,647 CAD/YR $22,304 CAD/MO
  • Office
  • Full Build-Out
  • 2026-01-01

This full-floor space features an open layout with perimeter offices, offering flexibility for a variety of configurations. It includes three restrooms and a private full kitchen, ideal for tenant convenience. The interior has been upgraded with new luxury vinyl tile (LVT) flooring, and tenants benefit from 24/7 control of HVAC. Operable windows provide natural ventilation, and onsite parking is available for added accessibility.

  • Listed rate may not include certain utilities, building services and property expenses
  • Open Floor Plan Layout
  • 1 Conference Room
  • 3 restrooms
  • Onsite Parking
  • Fully Built-Out as Standard Office
  • 3 Private Offices
  • Space is in Excellent Condition
  • Tenant controlled HVAC
Space Size Term Rental Rate Space Use Condition Available
Lower Level, Ste Garden Level 2,855 SF 2-10 Years $41.88 CAD/SF/YR $3.49 CAD/SF/MO $119,561 CAD/YR $9,963 CAD/MO Office Full Build-Out Now
1st Floor, Ste 1st Floor 6,185 SF 2-10 Years $41.88 CAD/SF/YR $3.49 CAD/SF/MO $259,013 CAD/YR $21,584 CAD/MO Office Full Build-Out Now
4th Floor, Ste 4th Floor 6,185 SF 2-10 Years $41.88 CAD/SF/YR $3.49 CAD/SF/MO $259,013 CAD/YR $21,584 CAD/MO Office Full Build-Out Now
6th Floor, Ste 600 6,185 SF 2-7 Years $43.27 CAD/SF/YR $3.61 CAD/SF/MO $267,647 CAD/YR $22,304 CAD/MO Office Full Build-Out 2026-01-01

Lower Level, Ste Garden Level

Size
2,855 SF
Term
2-10 Years
Rental Rate
$41.88 CAD/SF/YR $3.49 CAD/SF/MO $119,561 CAD/YR $9,963 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

1st Floor, Ste 1st Floor

Size
6,185 SF
Term
2-10 Years
Rental Rate
$41.88 CAD/SF/YR $3.49 CAD/SF/MO $259,013 CAD/YR $21,584 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 4th Floor

Size
6,185 SF
Term
2-10 Years
Rental Rate
$41.88 CAD/SF/YR $3.49 CAD/SF/MO $259,013 CAD/YR $21,584 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

6th Floor, Ste 600

Size
6,185 SF
Term
2-7 Years
Rental Rate
$43.27 CAD/SF/YR $3.61 CAD/SF/MO $267,647 CAD/YR $22,304 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
2026-01-01

Lower Level, Ste Garden Level

Size 2,855 SF
Term 2-10 Years
Rental Rate $41.88 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

Natural light in the garden level. 2,850 square feet with Kitchen, hardwood floors, private restrooms. Can be combined with First Floor

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 9,040 SF of adjacent space
  • Central Air Conditioning
  • Kitchen
  • Private Restrooms
  • Natural Light
  • After Hours HVAC Available
  • Open-Plan
  • Hardwood Floors
  • Full Size Kitchen
  • Natural light
  • Onsight Parking Available

1st Floor, Ste 1st Floor

Size 6,185 SF
Term 2-10 Years
Rental Rate $41.88 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

1st floor walk up 6,185 sq ft entire floor. Formerly Bright Horizons (a preschool) can be customized conventionally. (Kitchen) private restrooms, wood floors) Can be combined with Garden level. Fantastic River North location with onsite parking.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 9,040 SF of adjacent space
  • Central Air Conditioning
  • Kitchen
  • Private Restrooms
  • After Hours HVAC Available
  • Open-Plan
  • Hardwood Floors
  • Full Size Kitchen
  • Onsight Parking Available

4th Floor, Ste 4th Floor

Size 6,185 SF
Term 2-10 Years
Rental Rate $41.88 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

Amazing full floor opportunity for lease. Tenant controls HVAC and is provided parking on-site. Space has a full-sized, eat-in kitchen. The space is move-in ready or is able to be customized as you wish. Office and conference rooms are equipped with chairs and desk. All workstations are wired. 3 Restrooms in the space. Furnishing is optional.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 5 Private Offices
  • 1 Conference Room
  • 30 Workstations
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Kitchen
  • Private Restrooms
  • After Hours HVAC Available
  • Open-Plan
  • Full Size Kitchen
  • Onsight Parking Available

6th Floor, Ste 600

Size 6,185 SF
Term 2-7 Years
Rental Rate $43.27 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available 2026-01-01

This full-floor space features an open layout with perimeter offices, offering flexibility for a variety of configurations. It includes three restrooms and a private full kitchen, ideal for tenant convenience. The interior has been upgraded with new luxury vinyl tile (LVT) flooring, and tenants benefit from 24/7 control of HVAC. Operable windows provide natural ventilation, and onsite parking is available for added accessibility.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • 3 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • 3 restrooms
  • Tenant controlled HVAC
  • Onsite Parking

PROPERTY OVERVIEW

Extremely well-maintained Brick and Timber loft on a quiet street in the Heart of River North. Individually owned since 1994. Onsite parking available 24/7 Access. Tenant controls HVAC.

  • 24 Hour Access
  • Property Manager on Site
  • Signage
  • Kitchen
  • Accent Lighting
  • Natural Light
  • Air Conditioning

PROPERTY FACTS

Building Type
Office
Year Built/Renovated
1914/1988
Building Height
7 Stories
Building Size
49,091 SF
Building Class
B
Typical Floor Size
7,013 SF
Unfinished Ceiling Height
12’
Parking
2 Surface Parking Spaces at $349 CAD/month
Covered Parking

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 5th
  • GTG Consultants Inc
  • -
  • 5th
  • Link Creative
  • Services
  • 7th
  • LuxCreo
  • -
  • 3rd
  • Patient IQ
  • Health Care and Social Assistance
  • 2nd
  • S TR Partners
  • -
Walk Score®
Walker's Paradise (98)
Transit Score®
Rider's Paradise (100)
Bike Score®
Very Bikeable (87)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 22073923

  • Date on Market: 2025-11-11

  • Last Updated:

  • Address: 350 W Ontario St, Chicago, IL 60654

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