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    Ontario, CA Office Buildings for Lease

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    Rancho Cucamonga, CA Upland, CA Eastvale, CA Fontana, CA Jurupa Valley, CA Montclair, CA Chino, CA Claremont, CA
    31 properties
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    Class A Six-Story Office Building
    Updated: Jun 1
    Class A Six-Story Office Building

    3401 Centre Lake Drive, Ontario, CA 91761

    $4,318/Mo
    6‑story Class A office building in the Ontario Airport submarket
    Prominent I‑10 freeway visibility with immediate access to I‑10 at Haven Avenue
    Close to I‑15 and US‑60 freeways
    4/1,000 covered, reserved parking available
    Card key security system and professionally managed, maintained property
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    First-Floor Office Suite with Reception
    Updated: Feb 4
    First-Floor Office Suite with Reception

    3998 Inland Empire Boulevard, Ontario, CA 91764

    $7,950/Mo
    Secure, convenient first‑floor entry with large reception area.
    Multiple private offices (7‑9) and 2 conference rooms.
    Landlord will replace carpet at tenant move‑in.
    Plenty of parking with easy freeway access.
    Includes a kitchen and plenty of storage.
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    First-Floor Office Suite with Lobby Access
    First-Floor Office Suite with Lobby Access

    3281 E Guasti Road, Ontario, CA 91761

    $8,528/Mo

    First-floor suite with private offices, open workspace, and conference room in a managed professional office building.

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    Class A Office Space Available
    Class A Office Space Available

    3450 Center Lake Dr 125, Ontario, CA 91761

    $9,596/Mo
    176,813 sqft $0.65 SF/Yr

    Two-story Class A office building near Ontario Airport.

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    Furnished Multi-Tenant Office Suite
    Furnished Multi-Tenant Office Suite

    430 N Vineyard Avenue, Ontario, CA 91764

    $4,244/Mo

    Move-in ready office suite with reception, kitchen countertops, and furniture in a 24-hour-access multi-tenant building.

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    Office Suite with Reception Area
    Office Suite with Reception Area

    430 N Vineyard Avenue, Ontario, CA 91764

    $3,811/Mo

    Suite includes three offices plus a supply/IT room and reception area within a multi-tenant, 24-hour-access building.

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    Five-Story Office Building
    Five-Story Office Building

    430 N Vineyard Avenue, Ontario, CA 91764

    $7,305/Mo

    Multi-tenant office space with card-key security, reserved parking, and full-service gross leasing.

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    Class A Office Building
    Class A Office Building

    4141 Inland Empire Blvd 260, Ontario, CA 91764

    $4,343/Mo
    70,040 sqft $0.74 SF/Yr

    Class A office building in Ontario Airport submarket for lease.

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    Class A Office Campus with Parking
    Class A Office Campus with Parking

    3110 E Guasti Road, Ontario, CA 91761

    $2,523/Mo

    Professionally managed office campus offering full-service gross leases, with Suite 235 featuring an open layout and training room.

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    Class A Multi-Tenant Office Campus
    Class A Multi-Tenant Office Campus

    3110 E Guasti Road, Ontario, CA 91761

    $4,280/Mo

    Full-service gross leasing in a professionally managed Class A office campus with suite-level office amenities.

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    Class A Office Space Available
    Class A Office Space Available

    3110 E Guasti Rd 265, Ontario, CA 91761

    $2,525/Mo
    159,270 sqft $0.19 SF/Yr

    Multi-tenant office buildings near I-15 and I-10 freeway.

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    Class A Office Suite with Security
    Class A Office Suite with Security

    3450 Center Lake Drive, Ontario, CA 91761

    $7,510/Mo

    Suite 100 offers private offices, conference room, and open area within a managed, card-key secured building.

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    Class A Office Suite with Reception
    Class A Office Suite with Reception

    4141 Inland Empire Boulevard, Ontario, CA 91764

    $6,808/Mo

    Suite 220 offers reception, offices, a conference room, and breakroom within a professionally managed Class A building.

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    Class A Office Suite with Security
    Class A Office Suite with Security

    125-3450 Centre Lake Dr, Ontario, CA 91761

    $9,596/Mo
    176,813 sqft $0.65 SF/Yr

    Suite 125 offers two offices and an open floor plan within a professionally managed Class A building.

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    Class A Office Suite with Reception
    Class A Office Suite with Reception

    4141 Inland Empire Boulevard, Ontario, CA 91764

    $4,343/Mo

    Suite 260 offers a reception area, offices, break room, and secured access within a professionally managed Class A building.

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    Class A Office Suite with Views
    Class A Office Suite with Views

    3633 Inland Empire Boulevard, Ontario, CA 91764

    $6,241/Mo

    Move-in ready office suite offers reception, offices, conference space, and open area in a professionally managed building.

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    Class A Office Space Available
    Class A Office Space Available

    750-3281 E Guasti Rd, Ontario, CA 91761

    $12,932/Mo
    4,880 sqft $31.80 SF/Yr

    High-image office space near Ontario Airport with freeway access.

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    Class A Office Suite with Conference Rooms
    Class A Office Suite with Conference Rooms

    3450 Center Lake Drive, Ontario, CA 91761

    $39,080/Mo

    Second-floor suite offers offices, conference rooms, and secure card-key access in a professionally managed Class A building.

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    Class A Office Building Rental
    Class A Office Building Rental

    3633 Inland Empire Blvd 560, Ontario, CA 91764

    $6,580/Mo

    Class A office space available near Ontario Airport.

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    Multi-Tenant Office Building
    Multi-Tenant Office Building

    430 N Vineyard Avenue, Ontario, CA 91764

    $58,243/Mo

    Five-story office building with card-key security and multiple separated work areas, including full-floor options.

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    Class B Office Building
    Class B Office Building

    337 North Vineyard Avenue, Ontario, CA 91764

    Contact for pricing
    31,227 sqft

    Four-story office building near Ontario Convention Center and airport.

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    Multi-Tenant Office Building
    Multi-Tenant Office Building

    430 N Vineyard Avenue, Ontario, CA 91764

    $58,570/Mo

    5-story office building with card key security and full-service gross leases, with suite space available for immediate occupancy.

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    Single-Story Office Building Near Airport
    Single-Story Office Building Near Airport

    1623 Holt Boulevard, Ontario, CA 91761

    Contact for pricing
    30,521 sqft

    Single-story office building with direct suite access near Ontario Airport.

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    Class A Office Suite with Conference
    Class A Office Suite with Conference

    3110 E Guasti Road, Ontario, CA 91761

    $13,610/Mo

    Available suite in a multi-tenant office campus with dedicated conference room and open bullpen layout.

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    Ontario, CA Office buildings Market Trends and Statistics

    Explore Office buildings leasing options in Ontario, CA with 31 listings featured on our commercial real estate exchange. The current inventory includes 529,071 square feet of properties with an estimated lease value of $63.24 SF/Yr.

    Estimated lease rates for Office buildings in Ontario, CA begin at $0.65 SF/Yr, with an average of $12.65 SF/Yr and extend to $31.80 SF/Yr.
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