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Available Office Spaces for Lease in Ontario

Quick Stats for Ontario Office Property

There are currently 125 office spaces available for lease or rent in Ontario, California.

According to office market report by Cushman & Wakfield, Ontario has:

  • A total of 3,795,058 square feet of existing inventory
  • 269,687 square feet available for lease
  • Vacancy rate of 7.8%

Ontario is a city in the San Bernardino County/Inland Empire region of California. The average lease rate in this city is $2.11 per square feet. Class A office spaces are more expensive with an average rate of $2.29 per square feet. Cities with affordable lease rates are in Upland and Rancho Cucamonga with average rates from $1.58 to $1.97 per square feet.

Start browsing through Ontario office rental listings below for free. This includes Coworking Space, Executive Suites, Shared Space, Creative Space, Condos, Office Buildings, Class A, Class B, Class C, and subleases.

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4150 Concours St, Ontario, CA 91764
Space Available:
  4,760 SF
Rental Rate
  N/A - Contact for Info

This Office property has 4,760 sq ft available for lease

3290 Guasti Rd, Ontario, CA 91761
Space Available:
  1,515 SF
Divisible:
  1,515–3,265 SF
Rental Rate
   Show Pricing $

This Office property has 1,515 sq ft available for lease

4686 Ontario Mills Pkwy, Ontario, CA 91761
Space Available:
  6,150 SF
Rental Rate
  N/A - Contact for Info

This Office property has 6,150 sq ft available for lease

430 N Vineyard Ave, Ontario, CA 91764
Space Available:
  971 SF
Rental Rate
   Show Pricing $

This Office property has 971 sq ft available for lease

3491 Concours St, Ontario, CA 91764
Space Available:
  2,781 SF
Rental Rate
   Show Pricing $

This Office property has 2,781 sq ft available for lease

3110-B Inland Empire Blvd, Ontario, CA 91764
Space Available:
  6,535 SF
Rental Rate
   Show Pricing $

This Office property has 6,535 sq ft available for lease

1500 Auto Center Dr, Ontario, CA 91761
Space Available:
  4,000 SF
Divisible:
  4,000–36,000 SF
Rental Rate
   Show Pricing $

This Office property has 4,000 sq ft available for lease

2121 S Haven Ave, Ontario, CA 91761
Space Available:
  7,310 SF
Rental Rate
   Show Pricing $

This Office property has 7,310 sq ft available for lease

2855 Guasti Rd, Ontario, CA 91761
Space Available:
  3,807 SF
Rental Rate
  N/A - Contact for Info

This Office property has 3,807 sq ft available for lease

3400 Inland Empire Blvd, Ontario, CA 91764
Space Available:
  3,100 SF
Rental Rate
   Show Pricing $

This Office property has 3,100 sq ft available for lease

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760 S Rochester Ave, Ontario, CA 91761
Space/Suite:
  B
Space Available:
  7,443 SF
Rental Rate
   Show Pricing $

This Industrial and Office property has 7,443 sq ft available for lease

760 S Rochester Ave, Ontario, CA 91761
Space/Suite:
  A
Space Available:
  5,063 SF
Rental Rate
   Show Pricing $

This Industrial and Office property has 5,063 sq ft available for lease

901 Via Piemonte, Ontario, CA 91764
Space/Suite:
  901 Via Piemonte
Space Available:
  3,445 SF
Rental Rate
   Show Pricing $

This Office property has 3,445 sq ft available for lease

901 Via Piemonte, Ontario, CA 91762
Space/Suite:
  230
Space Available:
  1,740 SF
Rental Rate
   Show Pricing $

This Office property has 1,740 sq ft available for lease

901 Via Piemonte, Ontario, CA 91762
Space/Suite:
  220
Space Available:
  1,705 SF
Rental Rate
   Show Pricing $

This Office property has 1,705 sq ft available for lease

2121 S Haven Ave, Ontario, CA 91761
Space/Suite:
  200
Space Available:
  7,310 SF
Rental Rate
   Show Pricing $

This Office property has 7,310 sq ft available for lease

1500 Auto Center Dr, Ontario, CA 91761
Space Available:
  36,000 SF
Divisible:
  4,000–36,000 SF
Rental Rate
   Show Pricing $

This Office property has 36,000 sq ft available for lease

3500 Porsche Way, Ontario, CA 91764
Space Available:
  4,730 SF
Divisible:
  877–4,730 SF
Rental Rate
   Show Pricing $

This Office property has 4,730 sq ft available for lease

430 N Vineyard Ave, Ontario, CA 91764
Space Available:
  971 SF
Rental Rate
   Show Pricing $

This Office property has 971 sq ft available for lease

3998 Inland Empire Blvd, Ontario, CA 91764
Space Available:
  7,986 SF
Divisible:
  3,706–4,280 SF
Rental Rate
   Show Pricing $

This Office property has 7,986 sq ft available for lease

3602 Inland Empire Boulevard, Ontario, CA 91764
Space/Suite:
  Building C 315
Space Available:
  10,295 SF
Rental Rate
   Show Pricing $

This Office property has 10,295 sq ft available for lease

3602 Inland Empire Blvd, Ontario, CA
Space/Suite:
  Building C, 230
Space Available:
  2,005 SF
Rental Rate
   Show Pricing $

This Office property has 2,005 sq ft available for lease

3602 Inland Empire Blvd, Ontario, CA
Space/Suite:
  Building B, 208
Space Available:
  4,031 SF
Rental Rate
   Show Pricing $

This Office property has 4,031 sq ft available for lease

3602 Inland Empire Boulevard, Ontario, CA 91764
Space/Suite:
  Building A, 200
Space Available:
  2,154 SF
Rental Rate
   Show Pricing $

This Office property has 2,154 sq ft available for lease

3602 Inland Empire Blvd, Ontario, CA
Space/Suite:
  Building A, 230
Space Available:
  2,375 SF
Rental Rate
   Show Pricing $

This Office property has 2,375 sq ft available for lease

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