Ontario, CA Office buildings for sale

Updated: Nov 26, 2025

Free Standing Office Building

2890 Inland Empire Blvd, Ontario, CA 91764

$5,500,000

19,907 sqft

Free standing office building
Available for sale
Year Built: 1987

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This listing looks promising.

Here's a quick look at some key insights for

2890 Inland Empire Blvd, Ontario, CA 91764

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Est. Cap Rate

5.2%
NOI ÷ price
Est. NOI

$288K
Annual
Price @ 7% Cap

$4.12M
Suggested
Property Type

Commercial Office (General)
Built 1987

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Updated: Apr 17

Anchored Retail/Office Building

910 N Mountain Avenue, Ontario, CA 91762

$2,900,000

Commercial retail/office building built in 1982
Central air cooling
Anchored shopping center location on Mountain Ave in Ontario
Easy access to Fwy 10 and 210
Listed at less than $199.59 PSF (per provided remarks)

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Ontario Office and Industrial Space

1620 S Marigold Pl, Ontario, CA 91761

$4,450,000

12,746 sqft

Office and industrial space available for purchase in Ontario, CA.

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Based on your search, we've compiled 12 Potential Opportunities for your consideration. Besides 3 Active listings in Ontario, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 1 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Multi-Tenant Office Building with Surplus Land

222 Mountain Avenue, Upland, CA 91876

$8,699,400

43,367 sqft 3.16 AC lot

Opportunity Zone office building on excess land with C/O-MU zoning for office, medical, and retail uses.

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Upland Office Building For Sale

100 North Euclid Avenue, Upland, CA 91786

$2,950,000

8,282 sqft

8,282 SF office building in Upland, California.

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Rancho Cucamonga Office Building

10718 Civic Center Dr, Rancho Cucamonga, CA

$3,880,000

11,055 sqft 0.67 AC lot

Office building for sale in Rancho Cucamonga, California.

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Multi-Tenant Professional Office Building

10737 Laurel Street, Rancho Cucamonga, CA 91730

$7,500,000

Multi-tenant office building with elevator service and suite flexibility, positioned for convenient regional freeway access.

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Rialto Commercial Lot with Potential

Acacia, Rialto, CA 92376

$100,000

0.20 AC lot

8,580 SF commercial lot with residential potential in Rialto.

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Zoned Commercial Land Parcel

410 E Citrus Street, Colton, CA 92324

$115,000

0.21 AC lot

Commercially zoned land in Colton offers a flexible site for a variety of small-scale business uses.

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San Bernardino Commercial Land Opportunity

Arrowhead Avenue, San Bernardino, CA 92405

$89,900

0.15 AC lot

Commercial land near freeways and retail centers in San Bernardino.

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Moreno Valley Commercial Land Opportunity

13277 Day, Moreno Valley, CA 92553

$900,000

1.34 AC lot

Two adjacent parcels zoned for commercial and mixed-use development.

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Off-Market Properties in Ontario, CA

Consider similar Off-Market properties in Ontario, CA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

PROFESSIONAL BUILDING

3535 Inland Empire Blvd, Ontario, CA 91764-4908

Value Estimation by Request

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Ontario, CA Office Buildings Market Trends and Statistics

Explore 4 office buildings for sale in Ontario, CA, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 32,653 square feet of properties for sale, with an estimated market value of $9,950,000.

Sale prices for office properties in Ontario, CA start at $4,450,000, averaging $4,975,000, and reaching up to $5,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Neighborhood	Average Price
91761	$4.5M
91764	$5.5M

Neighborhood

Average Price

91761

$4.5M

91764

$5.5M