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    Ontario, CA Office Units for Lease

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    Rancho Cucamonga, CA Upland, CA Eastvale, CA
    83 results
    Class A Office Space Available
    $8,242/Mo
    3,110 SF

    Class A Office Space Available

    3257 E Guasti Road, Ontario, CA 91761

    Premium office suites with lake views in Ontario, CA.

    • Premium Class A office space with sweeping lake views
    • Immediate I‑10 freeway access and proximity to Ontario International Airport
    • Flexible suite configurations from ±1,455 SF to ±11,777 SF
    • Sleek steel frame and glass exterior with an impressive central lobby
    • 24/7 key card access and energy‑efficient HVAC
    Updated: May 10
    View details
    Class A Office with Lake Views
    $5,489/Mo
    2,071 SF

    Class A Office with Lake Views

    3237 E Guasti Road, Ontario, CA 91761

    Premier office space in Ontario's Centrelake Business Park.

    • Stunning lake views from many suites.
    • Prime location within Centrelake Business Park, steps from I‑10 and Ontario Airport.
    • Class A office building with sleek steel frame and glass exterior.
    • 24/7 key card security and energy‑efficient HVAC.
    • Suites available in a range of sizes with excellent divisibility.
    Updated: May 10
    View details
    Class A Office Space Available
    $19,144/Mo
    7,224 SF

    Class A Office Space Available

    Move-in ready office space in Ontario, CA for lease.

    3200 E Guasti Road, Ontario, CA 91764
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    Ontario Office Building For Lease
    $6,279/Mo
    2,563 SF

    Ontario Office Building For Lease

    Multi-tenant office building in Ontario Airport submarket available for lease.

    430 N Vineyard Avenue, Ontario, CA 91764
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    Class A Office Space Available
    $10,131/Mo
    3,823 SF

    Class A Office Space Available

    Move-in ready office space near Ontario International Airport.

    3200 E Guasti Road, Ontario, CA 91764
    View details
    Ontario Office Space For Lease
    $8,528/Mo
    3,218 SF

    Ontario Office Space For Lease

    Professional office space for lease in Ontario, California.

    3281 E Guasti Road, Ontario, CA 91761
    View details
    Class A Office Space Available
    $2,525/Mo
    953 SF

    Class A Office Space Available

    Multi-tenant office building near Ontario Airport and Ontario Mills.

    3110 E Guasti Road, Ontario, CA 91761
    View details
    Class A Office Building Lease
    $7,510/Mo
    2,834 SF

    Class A Office Building Lease

    Class A office space available near Ontario Airport.

    3450 Center Lake Drive, Ontario, CA 91761
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    Modern Office Space Available
    $7,950/Mo
    3,200 SF

    Modern Office Space Available

    First-floor office with reception, offices, conference rooms, kitchen, parking.

    3998 Inland Empire Boulevard, Ontario, CA 91764
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    Class A Office Space Available
    $22,930 SF/Yr
    8,653 SF

    Class A Office Space Available

    Prime office space in Ontario, near airport and retail.

    3110 E Guasti Road, Ontario, CA 91761
    View details
    Class A Office Space Available
    $12,932/Mo
    4,880 SF

    Class A Office Space Available

    High-image office space in premiere Ontario Airport submarket location.

    3281 E Guasti Road, Ontario, CA 91761
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    Ontario Office Space Available
    $3,648/Mo
    1,489 SF

    Ontario Office Space Available

    Move-in ready office space in multi-tenant building near Ontario Airport.

    430 N Vineyard Avenue, Ontario, CA 91764
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    Class A Office Space Available
    $4,280/Mo
    1,615 SF

    Class A Office Space Available

    Multi-tenant office building near Ontario Airport and I-10 freeway.

    3110 E Guasti Road, Ontario, CA 91761
    View details
    Ontario Office Space For Lease
    $5,281/Mo
    1,993 SF

    Ontario Office Space For Lease

    Move-in ready office space with water and airport views.

    3281 E Guasti Road, Ontario, CA 91761
    View details
    Class A Office Building Lease
    $4,343/Mo
    1,639 SF

    Class A Office Building Lease

    70,040 SF office building near Ontario Airport.

    4141 Inland Empire Boulevard, Ontario, CA 91764
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    Ontario Office Space For Lease
    $2,404/Mo
    907 SF

    Ontario Office Space For Lease

    Professional office space for lease near Ontario Airport.

    3281 E Guasti Road, Ontario, CA 91761
    View details
    Ontario Office Space Available
    $3,276/Mo
    1,337 SF

    Ontario Office Space Available

    Multi-tenant office building with immediate freeway access in Ontario, CA.

    430 N Vineyard Avenue, Ontario, CA 91764
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    Class A Office Building Lease
    $6,983/Mo
    2,635 SF

    Class A Office Building Lease

    Class A office space for lease in Ontario, California.

    4141 Inland Empire Boulevard, Ontario, CA 91764
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    Class A Office Space Available
    $6,241/Mo
    2,355 SF

    Class A Office Space Available

    Premier office building near Ontario Airport with freeway visibility.

    3633 Inland Empire Boulevard, Ontario, CA 91764
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    Ontario Office Building For Lease
    $50,350 SF/Yr
    20,551 SF

    Ontario Office Building For Lease

    Five-story office building in the Ontario Airport submarket.

    430 N Vineyard Avenue, Ontario, CA 91764
    View details
    Class A Office Building Lease
    $6,808/Mo
    2,569 SF

    Class A Office Building Lease

    Class A office space for lease in Ontario, California.

    4141 Inland Empire Boulevard, Ontario, CA 91764
    View details
    Multi-Tenant Office Building For Lease
    $50,068 SF/Yr
    20,436 SF

    Multi-Tenant Office Building For Lease

    Five-story office building in Ontario Airport Submarket with freeway visibility.

    430 N Vineyard Avenue, Ontario, CA 91764
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    Ontario Industrial Space for Lease
    $7,000/Mo
    2,400 SF

    Ontario Industrial Space for Lease

    Versatile industrial space suitable for various business operations.

    10735 Vernon Avenue, Ontario, CA 91762
    View details
    Class A Office Building Lease
    $6,580/Mo
    2,483 SF

    Class A Office Building Lease

    9-story Class A office building near Ontario Airport.

    3633 Inland Empire Boulevard, Ontario, CA 91764
    View details

    Ontario, CA Office Units Leasing Opportunities Market Analysis

    Explore Office Units leasing options in Ontario, CA with 83 listings featured on our commercial real estate exchange. The current inventory includes 735,835 square feet of properties with an estimated lease value of $507,964.

    Estimated lease rates for Office Units in Ontario, CA begin at $0.80 SF/Yr, with an average of $8,192 /Mo and extend to $356,433.
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    Most Searched ZIP Codes in Ontario, CA

    • 91761
    • 91764
    • 91762
    • 91754

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