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Ontario, CA Office Space for Rent

  • 1950A - 2000A S Grove Ave - Ontario
    1950A - 2000A S Grove Ave, Ontario, CA
    For Lease
    • $1.39/Sqft/Month
    Property
    • Office
    • 15,900 Sqft
    Availability
    • 1 Space
    • 1,450 Sqft
    View Details
  • Palm Brook Corporate Center Bldg B - Ontario
    3602 Inland Empire Boulevard, Ontario, CA
    For Lease
    • $26.4/Sqft/Year
    Property
    • Office
    • 15,365 Sqft
    Availability
    • 2 Spaces
    • 5,929 Sqft
    Year Built
    • 1988
    View Details
  • Elma Court Business Park - Ontario
    1804-1828 E Elma Ct, Ontario, CA
    For Lease
    • $1.09 - $1.1/Month
    Property
    • Office
    • 17,360 Sqft
    Availability
    • 2 Spaces
    • 3,720 Sqft
    View Details
  • Palm Brook Corporate Center Bldg A - Ontario
    3602 Inland Empire Boulevard, Ontario, CA
    For Lease
    • $26.4/Sqft/Year
    Property
    • Office
    • 13,400 Sqft
    Availability
    • 2 Spaces
    • 5,136 Sqft
    Year Built
    • 1988
    View Details
  • Palm Brook Corporate Center Bldg C - Ontario
    3602 Inland Empire Boulevard, Ontario, CA
    For Lease
    • $26.4/Sqft/Year
    Property
    • Office
    • 74,655 Sqft
    Availability
    • 2 Spaces
    • 12,300 Sqft
    Year Built
    • 1988
    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
  • 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
  • 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
  • One Piemonte - Ontario
    901 Via Piemonte, Ontario, CA
    For Lease
    • Contact for pricing
    Property
    • Office
    • 122,500 Sqft
    Availability
    • 5 Spaces
    • 25,329 Sqft
    Year Built
    • 2008
    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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Haven Airport Centre - Ontario
    1500 South Haven Avenue, Ontario, CA
    For Lease
    • $19.8/Sqft/Year
    Property
    • Office
    • 47,000 Sqft
    Availability
    • 2 Spaces
    • 3,506 Sqft
    Year Built
    • 2007
    View Details
  • Ontario Corporate Center - Ontario
    430 North Vineyard Avenue, Ontario, CA
    For Lease
    • $2.15/Sqft/Month
    Property
    • Office
    • 97,076 Sqft
    Availability
    • 4 Spaces
    • 40,545 Sqft
    Year Built
    • 1989
    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

Explore Office Listings in Ontario, CA

Our current local inventory includes 52 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.

News

The National Hot Rod Association (NHRA) has decided to sell its flex office space in Glendora, Calif. Located at 2035 E. Financial Way, the property currently hosts the organization’s headquarters and is part of a 1.65-acre campus.

The building’s highly flexible design ensures optimal conditions possible for a variety of potential tenants looking for premium Houston office space for rent in the heart of the Energy Corridor.

This model transit-oriented development will reconnect the Longwood Medical Area and the historic Audubon Circle, Fenway, Kenmore Square, Boston University, and Back Bay neighborhoods.