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Ontario Office Market

Ontario currently features 62 office spaces for rent with asking rates from 0.80 per sq ft and sizes ranging from 1,540 sqft to 25,205 sqft. Browse each listing in Ontario and let us know which properties you would like to review in-depth.Our local agent will prepare a detailed report on the property as well as other offices in the market that meet your company needs. Our agent can then schedule property tours and once a site is selected, negotiate a competitive lease or purchase agreement on your behalf.

Find office space that meets your needs:

  • BioTech / Laboratory Space
  • Call Center
  • Creative Space
  • Data Center / High Tech
  • High Tech / Research and Development
  • Legal Space
  • Medical/Dental Space
  • Production / Studio

Our office search services are provided at no charge to clients. Contact our Ontario office space specialists today and we look forward to finding your next space.


Ontario Office Stats

Total available listings: 62
Total square footage: 378,519 SF
Average asking rate: $1.67 sf/mo
Average size available: 6,105 SF
Price range: $0.80 sf/mo to $2.35 sf/mo

Available Layouts

Medical Office: 3 Listings
Office Building: 59 Listings
2171 S Grove Ave

2171 S Grove Ave

Ontario, CA
$ 1,949/mo
($1.20/sf./month)

Office
Office Building
1,624 square feet

204 N San Antonio Ave
$ 1,955/mo
($1.15/sf./month)

Office
Office Building
1,700 square feet

3333 Concours, Bldg 7
$ 2,044/mo
($1.30/sf./month)

Office
Office Building
1,572 square feet

865 S Milliken Ave

865 S Milliken Ave

Ontario, CA
$ 2,145/mo
($1.15/sf./month)

Office
Office Building
1,865 square feet

1535 N. Baker Ave

1535 N. Baker Ave

Ontario, CA
$ 2,327/mo
($0.99/sf./month)

Office
Office Building
2,350 square feet

1640 S Grove Ave

1640 S Grove Ave

Ontario, CA
$ 2,800/mo
($1.00/sf./month)

Office
Office Building
2,800 square feet

1129 W 4th St

1129 W 4th St

Ontario, CA
$ 2,883/mo
($1.30/sf./month)

Office
Office Building
2,218 square feet

1520 N. Mountain Avenue, Building E
$ 3,122/mo
($1.60/sf./month)

Office
Office Building
1,951 square feet

2910 E Inland Empire Blvd
$ 3,134/mo
($1.55/sf./month)

Office
Office Building
2,022 square feet

3270 Inland Empire Blvd.
$ 3,138/mo
($1.95/sf./month)

Office
Office Building
1,609 square feet

3602 Inland Empire Blvd. - Building C
$ 3,138/mo
($1.85/sf./month)

Office
Office Building
1,696 square feet

3400 Inland Empire Blvd
$ 3,233/mo
($2.10/sf./month)

Office
Office Building
1,540 square feet

3400 Inland Empire Blvd
$ 3,233/mo
($2.10/sf./month)

Office
Office Building
1,540 square feet

3633 Inland Empire Boulevard
$ 3,707/mo
($2.10/sf./month)

Office
Office Building
1,765 square feet

209 I St

209 I St

Ontario, CA
$ 3,744/mo
($1.20/sf./month)

Office
Office Building
3,120 square feet

3401 Centrelake Drive
$ 3,855/mo
($2.15/sf./month)

Office
Office Building
1,793 square feet

2131 Grove Avenue

2131 Grove Avenue

Ontario, CA
$ 3,898/mo
($1.20/sf./month)

Office
Office Building
3,248 square feet

1131 W 6th St

1131 W 6th St

Ontario, CA
$ 4,094/mo
($1.70/sf./month)

Office
Office Building
2,408 square feet

2151 Convention Center Way
$ 4,218/mo
($1.75/sf./month)

Office
Office Building
2,410 square feet

2143 E. Convention Center Way
$ 4,283/mo
($1.45/sf./month)

Office
Office Building
2,954 square feet

1801 S. Excise Avenue
$ 4,401/mo
($1.30/sf./month)

Office
Office Building
3,385 square feet

3110 E Guasti Road

3110 E Guasti Road

Ontario, CA
$ 4,406/mo
($2.25/sf./month)

Office
Office Building
1,958 square feet

3350 Shelby Street

3350 Shelby Street

Ontario, CA
$ 4,522/mo
($1.70/sf./month)

Office
Office Building
2,660 square feet

2855 E. Guasti Road

2855 E. Guasti Road

Ontario, CA
$ 4,538/mo
($2.35/sf./month)

Office
Office Building
1,931 square feet

3333 Concours St.

3333 Concours St.

Ontario, CA
$ 4,749/mo
($1.65/sf./month)

Office
Office Building
2,878 square feet

537 N Euclid Ave

537 N Euclid Ave

Ontario, CA
$ 4,900/mo
($1.00/sf./month)

Office
Office Building
4,900 square feet

812-816 Euclid AVE.

812-816 Euclid AVE.

Ontario, CA
$ 5,096/mo
($1.30/sf./month)

Office
Office Building
3,920 square feet

3281 E. Guasti Road

3281 E. Guasti Road

Ontario, CA
$ 5,163/mo
($2.20/sf./month)

Office
Office Building
2,347 square feet

317 W F St

317 W F St

Ontario, CA
$ 5,900/mo
($1.00/sf./month)

Office
Medical Office
5,900 square feet

3110 E Guasti Road

3110 E Guasti Road

Ontario, CA
$ 6,224/mo
($2.25/sf./month)

Office
Office Building
2,766 square feet

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