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Ontario, CA Office Spaces for Rent - 61 Spaces

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Office Space Listings Overview

There’s a total of 26 office listings available for rent in Ontario, CA. Across 61 unique spaces, there is a grand total of 418,260 square feet. The variety of Office spaces range from 610 square feet to 20,057 square feet. You can also filter your search by location, price, available space, asking price and more, making it easy to select what works best for you or your business.

Find Office Space Near Me

Trying to find the right office space near you that meets all your business needs? PropertyShark lets you browse tons of available office spaces in your area, making finding the right home for your company easy. Sizes, amenities, prices and locations of office spaces for rent are all available to be browsed with just a click. You can also step outside of your current city and explore new ones — even reach out to brokers to learn more about the space and the surrounding area. Find your ideal office space for rent near Ontario, CA with just a simple search.

Ontario, CA Office Inventory Breakdown

Office Spaces

Total: 5,502,727 SF

Data provided by Yardi Matrix, properties over 50k SF, includes office with retail
By square footage range:
50k to 100k SqFt 2,013,071 SqFt 36.58% of total office
100k to 500k SqFt 2,891,656 SqFt 52.55% of total office
500k to 1M SqFt 598,000 SqFt 10.87% of total office
By class:
Class A 2,448,755 SqFt 44.5% of total office
Class B 1,612,972 SqFt 29.31% of total office

Top 10 Largest Office Buildings

in Ontario

Office building Address Sqft Year built
Transpark Office Center 2910 Inland Empire Blvd, 91764 209,972 1981
Jurupa Business Center 4120 East Jurupa Street, 91761 189,756 2001
Kaiser Permanente Ontario Medical Center - Medical Office Building D 2295 South Vineyard Avenue, 91761 160,000 2010
Ontario Airport Tower 2855 East Guasti Road, 91761 149,946 2008
Waterside Center II 3210 East Guasti Road, 91761 142,602 2008
Kaiser Permanente Ontario Medical Center - Medical Office Building A 2295 South Vineyard Avenue, 91761 131,000 2005
Parkway Business Center 4710 Ontario Mills Pkwy, 91764 125,000 2009
4755 East Philadelphia Street 4755 East Philadelphia Street, 91761 124,674 2003
One Piemonte 901 Via Piemonte, 91764 122,500 2008
Ontario Airport Corporate Park 1795 East Holt Blvd, 91761 99,898 2009

Largest Office Properties Recently Completed

in Ontario

Office building Address Sqft Year built
Prime Healthcare Headquarters 3480 East Guasti Road, 91761 79,455 2019
SEC Euclid 150 East Holt Blvd, 91761 57,885 2014
4580 Ontario Mills Pkwy 4580 Ontario Mills Pkwy, 91764 50,000 2013
Kaiser Permanente Ontario Medical Center - Medical Office Building D 2295 South Vineyard Avenue, 91761 160,000 2010
Parkway Business Center 4710 Ontario Mills Pkwy, 91764 125,000 2009
Ontario Airport Corporate Park 1795 East Holt Blvd, 91761 99,898 2009
Ontario Airport Tower 2855 East Guasti Road, 91761 149,946 2008
Waterside Center II 3210 East Guasti Road, 91761 142,602 2008
4550 Ontario Mills Pkwy 4550 Ontario Mills Pkwy, 91764 26,496 2008
The HMC Building 3546 Concours Street, 91764 56,668 2007

Frequently Asked Questions

What is the cost of renting an office space in Ontario, CA?

The average rental rate for an office space currently rests at $26.56 per square foot. Check all office space listings with a similar average rental rate.

What is the average size of office spaces available in Ontario, CA?

Presently, the average size of office space availabilities is roughly 10,334 square feet. The largest rentable office space in Ontario is 20,057 square feet, with the minimum at 610 square feet. Check all available office spaces.

How to rent office space in Ontario, CA ?

Before you begin your office space hunt, there are a couple of things you need to consider. For instance, deciding how much office space you’ll need and whether you prefer a specific location within the city can help you focus in on the listings that truly fit your business requirements. We recommend you contact the listed broker(s) for each property page that makes it unto your shortlist for more in-depth information and to schedule a viewing.

What property types are available for rent in Ontario, CA?

Commercial real estate availabilities listed on our platform include everything from industrial properties to retail spaces, as well as coworking offices and traditional office spaces for rent in Ontario, CA.

How many office space listings are available in Ontario, CA?

There is a total of 61 office space listings available for rent in Ontario, CA. See Ontario office spaces for rent, or check all available commercial real estate listings.