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Ontario, CA Office Space for Rent

  • 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
  • Empire Towers III - Ontario
    4200 Concours Street, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 75,000 Sqft
    Availability
    • 1 Space
    • 1,623 Sqft
    Year Built
    • 2001
    View Details
  • Concours Corporate Center - Ontario
    3536 Concours Street, Ontario, CA
    For Lease
    • $25.8/Sqft/Year
    Property
    • Office
    • 79,933 Sqft
    Availability
    • 2 Spaces
    • 11,605 Sqft
    Year Built
    • 2002
    View Details
  • Empire Executive Office Building - Ontario
    3400 Inland Empire Blvd, Ontario, CA
    For Lease
    • $2.15/Sqft/Month
    Property
    • Office
    • 39,388 Sqft
    Availability
    • 1 Space
    • 3,100 Sqft
    Year Built
    • 1990
    View Details
  • Ontario Airport Center - Ontario
    337 North Vineyard Avenue, Ontario, CA
    For Lease
    • $21/Sqft/Year
    Property
    • Office
    • 59,927 Sqft
    Availability
    • 6 Spaces
    • 31,317 Sqft
    Year Built
    • 1982
    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
  • Jurupa Business Center - Ontario
    4120 East Jurupa Street, Ontario, CA
    For Lease
    • $21/Sqft/Year
    Property
    • Office
    • 189,756 Sqft
    Availability
    • 1 Space
    • 4,386 Sqft
    Year Built
    • 2001
    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
  • Empire Towers IV - Ontario
    3800 Concours Street, Ontario, CA
    For Lease
    • $2.65/Sqft/Month
    Property
    • Office
    • 75,651 Sqft
    Availability
    • 1 Space
    • 12,843 Sqft
    Year Built
    • 2004
    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
  • 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
  • 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
  • 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
  • Transpark Office Center - Ontario
    2910 Inland Empire Blvd, Ontario, CA
    For Lease
    • $1.85/Sqft/Month
    Property
    • Office
    • 209,972 Sqft
    Availability
    • 3 Spaces
    • 7,042 Sqft
    Year Built
    • 1981
    View Details
  • California Commerce Center - Building 8 - Ontario
    787 South Wanamaker Avenue, Ontario, CA
    For Lease
    • $1.1/Sqft/Month
    Property
    • Industrial
    • 60,197 Sqft
    Availability
    • 1 Space
    • 5,500 Sqft
    Year Built
    • 1989
    View Details
  • Ontario Business Center - Ontario
    601 South Milliken Avenue, Ontario, CA
    For Lease
    • Contact for pricing
    Property
    • Industrial
    • 127,991 Sqft
    Availability
    • 1 Space
    • 4,325 Sqft
    Year Built
    • 1989
    View Details
  • 137 - 143 N Euclid Ave - Ontario
    137 - 143 N Euclid Ave, Ontario, CA
    For Sale
    • $2,200,000
    Property
    • Office
    • 15,000 Sqft
    Year Built
    • 1922
    View Details
  • Parkway Business Center - Ontario
    4710 Ontario Mills Pkwy, Ontario, CA
    For Lease
    • Contact for pricing
    Property
    • Office
    • 125,000 Sqft
    Availability
    • 1 Space
    • 6,150 Sqft
    Year Built
    • 2009
    View Details
  • Ontario Airport Tower - Ontario
    2855 East Guasti Road, Ontario, CA
    For Lease
    • Contact for pricing
    Property
    • Office
    • 149,946 Sqft
    Availability
    • 1 Space
    • 3,807 Sqft
    Year Built
    • 2008
    View Details

Explore Office Listings in Ontario, CA

Our current local inventory includes 55 listings. Explore options of office spaces for rent in Ontario, CA across all local neighborhoods and submarkets. Listings presented on our network comprise a wide variety of sizes, as well as an abundance of property classes, amenities and location advantages. Access property details and listing information; get contact details and pricing; and find highlights and points of interest in the region.

Easy-to-use search tools and filters allow you to quickly and conveniently browse our Ontario, CA office space for rent listings. Navigate the interactive map to view office listings by ZIP code, neighborhood or radius. Or, browse along a corridor or route of interest with the “current view” mode. Check out similar office spaces in the area and find your perfect place.