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108 Office Spaces for Rent in Ontario, CA

  • Palm Brook Corporate Center Bldg B - Ontario
    3602 Inland Empire Boulevard, Ontario, CA
    For Lease
    • $27/Sqft/Year
    Property
    • Office
    • 15,365 Sqft
    Availability
    • 2 Spaces
    • 4,202 Sqft
    Year Built
    • 1988
    View Details
  • Palm Brook Corporate Center Bldg C - Ontario
    3602 Inland Empire Boulevard, Ontario, CA
    For Lease
    • $27/Sqft/Year
    Property
    • Office
    • 74,655 Sqft
    Availability
    • 3 Spaces
    • 8,464 Sqft
    Year Built
    • 1988
    View Details
  • Palm Brook Corporate Center Bldg A - Ontario
    3602 Inland Empire Boulevard, Ontario, CA
    For Lease
    • $27/Sqft/Year
    Property
    • Office
    • 13,400 Sqft
    Availability
    • 1 Space
    • 2,761 Sqft
    Year Built
    • 1988
    View Details
  • Transpark Office Center - Ontario
    2910 Inland Empire Blvd, Ontario, CA
    For Lease
    • $1.95/Sqft/Month
    Property
    • Office
    • 209,972 Sqft
    Availability
    • 5 Spaces
    • 9,978 Sqft
    Year Built
    • 1981
    View Details
  • Jurupa Business Center - Ontario
    4120 East Jurupa Street, Ontario, CA
    For Lease
    • $1.95/Sqft/Month
    Property
    • Office
    • 189,756 Sqft
    Availability
    • 1 Space
    • 10,862 Sqft
    Year Built
    • 2001
    View Details
  • 1500 Auto Center Drive - Ontario
    1500 South Auto Center Drive, Ontario, CA
    For Lease
    • $1.85/Sqft/Month
    Property
    • Office
    • 36,000 Sqft
    Availability
    • 2 Spaces
    • 14,564 Sqft
    Year Built
    • 2001
    View Details
  • Waterside Center III - Ontario
    3110 East Guasti Road, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 100,000 Sqft
    Availability
    • 2 Spaces
    • 3,678 Sqft
    Year Built
    • 2005
    View Details
  • Haven Airport Centre - Ontario
    1500 South Haven Avenue, Ontario, CA
    For Lease
    • $1.65/Sqft/Month
    Property
    • Office
    • 47,000 Sqft
    Availability
    • 1 Space
    • 1,353 Sqft
    Year Built
    • 2007
    View Details
  • One Corporate Plaza - Ontario
    3500 Porsche Way, Ontario, CA
    For Lease
    • $2.05/Sqft/Month
    Property
    • Office
    • 46,600 Sqft
    Availability
    • 3 Spaces
    • 7,970 Sqft
    Year Built
    • 2000
    View Details
  • One Piemonte - Ontario
    901 Via Piemonte, Ontario, CA
    For Lease
    • $31.8 - $33/Sqft/Year
    Property
    • Office
    • 122,500 Sqft
    Availability
    • 4 Spaces
    • 22,465 Sqft
    Year Built
    • 2008
    View Details
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  • Lakeview Center I - Ontario
    3257 East Guasti Road, Ontario, CA
    For Lease
    • $25.8/Sqft/Year
    Property
    • Office
    • 53,123 Sqft
    Availability
    • 2 Spaces
    • 8,222 Sqft
    Year Built
    • 2004
    View Details
  • Empire Corporate Center - Ontario
    800 North Haven Avenue, Ontario, CA
    For Lease
    • $2.45/Sqft/Month
    Property
    • Office
    • 80,406 Sqft
    Availability
    • 3 Spaces
    • 17,227 Sqft
    Year Built
    • 1985
    View Details
  • Sixth Street Center - Ontario
    1131 West 6th Street, Ontario, CA
    For Lease
    • $21/Sqft/Year
    Property
    • Office
    • 60,000 Sqft
    Availability
    • 7 Spaces
    • 13,750 Sqft
    Year Built
    • 1978
    View Details
  • Ontario Airport Center - Ontario
    337 North Vineyard Avenue, Ontario, CA
    For Lease
    • $21/Sqft/Year
    Property
    • Office
    • 59,181 Sqft
    Availability
    • 1 Space
    • 1,969 Sqft
    Year Built
    • 1982
    View Details
  • 137 - 143 N Euclid Ave - Ontario
    137 - 143 N Euclid Ave, Ontario, CA
    For Lease
    • $1.55 - $18.6/Sqft/Year
    Property
    • Office
    • 15,000 Sqft
    Availability
    • 3 Spaces
    • 11,500 Sqft
    Year Built
    • 1922
    View Details
  • 1900 Burgundy Place - Ontario
    1900 Burgundy Place, Ontario, CA
    For Lease
    • $1.05/Sqft/Month
    Property
    • Industrial
    • 397,125 Sqft
    Availability
    • 1 Space
    • 7,644 Sqft
    Year Built
    • 1987
    View Details
  • Concours Plaza - Buildings 1, 2, 3, 4, 5, 6, 7, 8 & 9 - Ontario
    3333 Concours Street, Ontario, CA
    For Lease
    • $22.2/Sqft/Year
    Property
    • Office
    • 70,494 Sqft
    Availability
    • 4 Spaces
    • 10,601 Sqft
    Year Built
    • 2005
    View Details
  • Centrelake Plaza - Ontario
    3401 Centre Lake Drive, Ontario, CA
    For Lease
    • $2.35/Sqft/Month
    Property
    • Office
    • 114,420 Sqft
    Availability
    • 6 Spaces
    • 16,355 Sqft
    Year Built
    • 1990
    View Details
  • Lakeview Centre - Ontario
    3257 East Guasti Road, Ontario, CA
    For Lease
    • $24/Sqft/Year
    Property
    • Office
    • 53,279 Sqft
    Availability
    • 1 Space
    • 13,232 Sqft
    Year Built
    • 2005
    View Details
  • Commerce Pointe Business Park - Ontario
    4250 Lowell Street, Ontario, CA
    For Lease
    • $1.15/Sqft/Month
    Property
    • Industrial
    • 64,382 Sqft
    Availability
    • 3 Spaces
    • 64,996 Sqft
    Year Built
    • 1989
    View Details
  • Empire Office Center - Buildings 1, 2, 3, 4, & 5 - Ontario
    3595 Inland Empire Blvd, Ontario, CA
    For Lease
    • $2/Sqft/Month
    Property
    • Office
    • 47,473 Sqft
    Availability
    • 1 Space
    • 1,632 Sqft
    Year Built
    • 2005
    View Details
  • Empire Towers I - Ontario
    3633 Inland Empire Blvd, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 177,515 Sqft
    Availability
    • 8 Spaces
    • 28,628 Sqft
    Year Built
    • 1990
    View Details
  • One Lakeshore Centre - Ontario
    3281 East Guasti Road, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 176,207 Sqft
    Availability
    • 4 Spaces
    • 16,090 Sqft
    Year Built
    • 1992
    View Details
  • Waterside Center I - Ontario
    3200 East Guasti Road, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 72,589 Sqft
    Availability
    • 1 Space
    • 3,291 Sqft
    Year Built
    • 2007
    View Details
  • Empire Towers V - Ontario
    3990 Concours Street, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 124,529 Sqft
    Availability
    • 3 Spaces
    • 25,054 Sqft
    Year Built
    • 2007
    View Details
  • Empire Towers II - Ontario
    4141 Inland Empire Blvd, Ontario, CA
    For Lease
    • $31.8/Sqft/Year
    Property
    • Office
    • 70,021 Sqft
    Availability
    • 3 Spaces
    • 10,384 Sqft
    Year Built
    • 2000
    View Details

Ontario, CA Office Space Listings

There are currently 84 office listings available in Ontario, CA. These listings include 108 office spaces that encompass a total of 406,033 square feet. Available office spaces in Ontario, CA range in size from 610 square feet to 20,057 square feet. A total of 32 off-market office properties located in Ontario, CA are also available for research.

Look For Office Space Near Me

Are you still looking for the office space near you that’s perfect for your business? Browse through all available CommercialCafe listings in your area to find the right fit — the space that meets your requirements, right now and for the future. Easily compare sizes, prices, amenities and locations of office spaces for rent near me. Expand your search beyond your neighborhood and ZIP code and search our listings in any city or state to find the best fit for your needs, wherever you are in the U.S. The perfect office space for rent near Ontario, CA is only one search away.

Ontario, CA Office Market Overview

Location Photo

Like the rest of the Greater Los Angeles area, Ontario features a robust economy and plenty of things to do. For most of the city’s existence, Ontario’s economy has relied on transportation and production. However, the California tech boom can be felt here, too, and the city is especially welcoming toward startups that want to innovate.

Ontario is situated near the halfway point between Los Angeles and San Bernardino, offering great logistical opportunities for local companies. And, when it comes to leisure time, the city offers an eclectic mix of restaurants, cafes and galleries, as well as wilderness trails on the nearby Mount San Antonio — known to Ontario residents as “Mount Baldy.”

Ontario, CA Office Inventory Breakdown

Office Spaces

Total: 5,599,591 SF

Data provided by Yardi Matrix, properties over 50k SF, includes office with retail
By square footage range:
50k to 100k SqFt 2,109,935 SqFt 37.68% of total office
100k to 500k SqFt 2,891,656 SqFt 51.64% of total office
500k to 1M SqFt 598,000 SqFt 10.68% of total office
By class:
Class A 2,547,121 SqFt 45.49% of total office
Class B 1,611,470 SqFt 28.78% of total office
In 2021 the Ontario, CA office market encompassed 5,599,591 square feet of space. Of these, 598,000 square feet were office properties between 500K to 1M square feet and 2,109,935 square feet were buildings between 50k to 100k.

Class A office space makes up a 45.49% share of Ontario, CA office inventory, while Class B office assets represent roughly 28.78%.

Ontario, CA Green Office Space

Total Office over 25k - Powered by CommercialEdge
Total SqFt Green SqFt Green %
4,573,037 356,568 8%
Percentage Icon

8% Green

Green Office Inventory

Roughly 8% of the total Ontario office inventory - adding up to 4,573,037 square feet - is classified as green office space.

Frequently Asked Questions

How much does office space cost in Ontario, CA?

The average office rental rate in Ontario, CA is $25.53 per square foot. Asking prices vary based on the property’s location, overall rating, amenities, proximity to restaurants, cafes and entertainment venues, as well as public transport, airports and highways. Check Ontario Office Market Trends for more stats.

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

The Ontario, CA office market can accommodate various businesses, sporting a range of office space availabilities. The average size of office space availabilities is 10,334 square feet. If you’re just starting out as a company or as an entrepreneur, the smallest available office space in Ontario, CA is 610 square feet, while the maximum rentable space on the market now is 20,057 square feet.

How do I get office space in Ontario, CA?

Start your search for office space in Ontario, CA by using our filters that allow you to find the best space for your business needs. Filter listings by location, property size, available space or lease rate. Property pages will offer details about an office building’s rating, year built, availabilities, price per square foot and more. After drawing up a shortlist, make sure you contact the listed broker(s) to schedule a viewing and begin the negotiation process for your lease contract.

How many office listings are available in Ontario, CA?

There are 84 office listings on the Ontario, CA market. See all available office spaces for rent.

What other property types are available for lease in Ontario, CA?

In addition to traditional office spaces, commercial real estate listings on our platform also include coworking & shared office space options, retail spaces, industrial buildings, warehouses, distribution facilities, and more.

Ontario, CA Demographics & Income

Median Age 32.1

Population by age category

Under 20

29.1%

20 to 64

61.9%

65 and over

8.9%

Population by age range

14.7%

0-9

14.4%

10-19

16.2%

20-29

16.9%

30-39

11.9%

40-49

11.4%

50-59

8.4%

60-69

4.2%

70-79

1.8%

80-89

In 2019, the median age of Ontario residents was 32.1 years old. Aproximately 61.9% of total population is between the ages of 20-64, with 16.2% between 20-29 years old.

Income per capita $25,143

Median Income per age

$34,430

0-25

$76,068

25-44

$75,981

45-64

$63,365

65+

The median income for Ontario residents 45-64 years old stands at $75,981, with 25-44 years old earnings $76,068 per year.

Management

$52,172

Management, business and financial occupations

Computer

$60,033

Computer, engineering and science occupations

Sales

$32,000

Sales and office occupations

The mean wage for Ontario workers in management, business and financial ocupations is $52,172, whereas those in computer engineering and science occupation earn $60,033 per year. Sales and office occupations workers mean income is $32,000.

Market News

The CommercialCafe blog tracks CRE trends, market and industry news together with the latest coworking trends.