Ontario, CA Office Space for Rent

Search office properties for lease and view the Market Overview section below for local stats and insight.

105 Listings

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From $549/month
Regus - Ontario - One Lakeshore
3281 E. Guasti Road 7th Floor, Ontario, CA
Space Type
Private Offices
Space for 1 to 15 people
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
$28.80/SF/YR
Palm Brook Corporate Center - Bldg. C
3602 Inland Empire Blvd., Ontario, CA
Space Type
Office
7 spaces

1,798 - 3,900 SF
1 of 1
Price on request

3400 Inland Empire Blvd

3400 Inland Empire Blvd, Ontario, CA
Space Type
Office
5 spaces

105.3 - 328 SF
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
Price on request

Jurupa Business Center - Bldg. 2

4120 Jurupa Ave., Ontario, CA
Space Type
Office
1 space

10,416 SF
Narrow down your search by listing type
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From $695/month

Gateway Executive Suites
Gateway Executive Suites
500 East E Street Ste 120, Ontario, CA
Space Type
Private Offices
1 of 6

2 of 6

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4 of 6

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6 of 6
$28.80/SF/YR
Palm Brook Corporate Center - Bldg. A
3602 Inland Empire Blvd., Ontario, CA
Space Type
Office
1 space

1,387 SF
1 of 3

2 of 3

3 of 3
$0.24/SF/MO
Waterside Center III
3110 East Guasti Road, Ontario, CA
Space Type
Office
7 spaces

768 - 8,653 SF
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From $739/month

Regus
Regus - Ontario - Waterside Center
3200 Guasti Road Suite 100, Ontario, CA
Space Type
Private Offices
Space for 1 to 15 people
1 of 5

2 of 5

3 of 5

4 of 5

5 of 5
Price on request

Centrelake Plaza

3401 Centre Lake Drive, Ontario, CA
Space Type
Office
6 spaces

1,440 - 3,841 SF
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From $459/month

Regus
Regus - Ontario - W 6th Street
980 West 6th Street 1st & 2nd Floor, Ontario, CA
Space Type
Private Offices
Space for 1 to 15 people
1 of 11

2 of 11

3 of 11

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6 of 11

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8 of 11

9 of 11

10 of 11

11 of 11
From $40/hour
$240/day

Office Evolution
Ontario Office Evolution
3350 Shelby Street Suite 200, Ontario, CA
Space Type
Meeting Rooms
Space for 6 to 10 people
1 of 3

2 of 3

3 of 3
$0.20/SF/MO
Ontario Corporate Center
430 North Vineyard Avenue, Ontario, CA
Space Type
Office
10 spaces

1,337 - 8,472 SF
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
$0.24/SF/MO
Empire Towers II
4141 Inland Empire Blvd, Ontario, CA
Space Type
Office
2 spaces

1,639 - 2,635 SF
1 of 1
Price on request

Cubework Airport ONT

3950 East Airport Drive, Ontario, CA
Space Type
Office
1 space

3,000 SF
1 of 11

2 of 11

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From $699/month

Regus
Regus - Ontario - Concours
3990 Concours Street, Ontario, CA
Space Type
Private Offices
Space for 1 to 15 people
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
Price on request

Empire Towers I

3633 Inland Empire Blvd, Ontario, CA
Space Type
Office
4 spaces

2,252 - 4,530 SF
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
$33.00/SF/YR
One Piemonte
901 Via Piemonte, Ontario, CA
Space Type
Office
1 space

1,565 SF
1 of 3

2 of 3

3 of 3
$0.24/SF/MO
Waterside Center I
3200 East Guasti Road, Ontario, CA
Space Type
Office
2 spaces

3,823 - 7,224 SF
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
$0.24/SF/MO
Empire Towers III
4200 Concours Street, Ontario, CA
Space Type
Office
2 spaces

2,310 - 2,995 SF
1 of 1
$0.19/SF/MO
3500 Porsche Way
3500 Porsche Way, Ontario, CA
Space Type
Office
1 space

30,932 SF
1 of 11

2 of 11

3 of 11

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5 of 11

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10 of 11

11 of 11
From $319/month

HQ
HQ - Ontario - North San Antonio Ave
204 North San Antonio Avenue 1st and 2nd Floor, Ontario, CA
Space Type
Private Offices
Space for 1 to 15 people
1 of 5

2 of 5

3 of 5

4 of 5

5 of 5
$33.60/SF/YR
Ferrari Corporate Center
4150 Concours St., Ontario, CA
Space Type
Office
1 space

15,408 SF
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From $75/day

CoRise Spaces
CoRise Spaces
4684 Ontario Mills Parkway Suite 200, Ontario, CA
Space Type
Desks
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
$0.24/SF/MO
Empire Towers V
3990 Concours Street, Ontario, CA
Space Type
Office
6 spaces

943 - 21,632 SF
1 of 1
$0.27/SF/MO
CONCOURS PLAZA
975 North Haven Ave, Suite 100, Ontario, CA
Space Type
Office
1 space

5,071 SF
1 of 6

2 of 6

3 of 6

4 of 6

5 of 6

6 of 6
$0.24/SF/MO
Empire Towers IV
3800 Concours Street, Ontario, CA
Space Type
Office
7 spaces

1,413 - 10,704 SF
$2.65/SF/YR
One Lakeshore Centre
3281 E Guasti Rd & 3450 N Centre Lake Dr Ontario, Ontario, CA
Space Type
Office
4 spaces

1,158 - 14,747 SF
Price on request

3110 & 3200 E. Guasti Rd.

3110 & 3200 E. Guasti Rd., Ontario, CA
Space Type
Office
4 spaces

953 - 8,653 SF
Price on request

Empire Towers I

3633 Inland Empire Blvd, Ontario, CA
Space Type
Office
1 space

4,472 SF
Price on request

3633 Inland Empire Blvd-Tower I

3633 Inland Empire Blvd-Tower I, Ontario, CA
Space Type
Office
7 spaces

1,298 - 6,069 SF
Price on request

430 North Vineyard Avenue

430 North Vineyard Avenue, Ontario, CA
Space Type
Office
2 spaces

1,337 - 20,551 SF
From $500/month

Empire Executive Offices
Empire Executive Offices - Empire Executive Office Building
3400 Inland Empire Boulevard, Ontario, CA
Space Type
Private Offices
$100.00/MO
1511 West Holt Blvd
1511 West Holt Blvd, Ontario, CA
Space Type
Office
1 space

1,104 SF
Price on request

Cubework
Cubework - 3950 East Airport Drive
3950 East Airport Drive, Ontario, CA
Space Type
Private Offices
Price on request

Cubework
Cubework - Vintage
740 Vintage Avenue, Ontario, CA
Space Type
Private Offices
$2.65/SF/YR
3536 Concours Street
3536 Concours Street, Ontario, CA
Space Type
Office
3 spaces

2,388 - 6,758 SF
$0.16/SF/MO
Airport Corporate Center - Bldg 3
3290 Guasti Rd, Ontario, CA
Space Type
Office
3 spaces

1,515 - 3,261 SF
Price on request

Transpark Office Center

2930 E.Inland Empire Blvd., Ontario, CA
Space Type
Office
1 space

6,089 SF
Price on request

Transpark Office Center

2990 E.Inland Empire Blvd., Ontario, CA
Space Type
Office
1 space

702 SF
Price on request

3401 Centre Lake Drive

3401 Centre Lake Drive, Ontario, CA
Space Type
Office
8 spaces

1,515 - 6,000 SF

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Know What Rents to Expect for Office Space in Ontario, CA

Depending on property quality, location, amenities, and other factors — such as what type of office lease you sign up for — the rent for office space in Ontario can be as low as $22.2 per square foot. On average, the rate for an office space in Ontario is $28.11 per square foot. If your budget is oriented toward office space for lease around this value, you can easily check all office space listings with a similar average rental rate. Alternatively, use the pricing search filters at the top of the page to focus your search in your optimal price range.

Learn More About Office Spaces for Rent in Ontario, CA

Office spaces currently listed for rent in Ontario, CA incorporates 435,925 square feet across 105 unique space(s). Local office space opportunities include office property subtypes such as: General Office, Office Building, Shared Space. The average size of an available office space here is 4,606 square feet. However, availabilities range from 106 square feet to 31,155 square feet.

Understand the Ontario, CA Office Market

The office market in Ontario, CA incorporates 4,183,213 square feet of office space across 34 buildings that are at least 25,000 square feet in size. Office buildings here range in height from 1 to 5 floors and offer a variety of architectural styles, amenity packages, and location character for you to consider when looking for an office leasing opportunity.

In Ontario, CA, you can find office properties as large as 289,793 square feet and find your space in any building quality class that best suits your needs and your budget. See our guide on office building classes for a better understanding of what to expect with each. For best access to most types of urban amenities, consider that the highest concentration of office space in Ontario is in the neighborhood(s).

Ontario, CA Office Space Total: 4,183,213 Sq. Ft.

The data was provided by Yardi Research Data and refers to office properties larger than 25,000 square feet.

Ontario, CA Office Property by Building Size

Range Total Square Feet Share of Total Office

25k to 50k Sq. Ft. 507,665 12.14% of Total

50k to 100k Sq. Ft. 2,013,071 48.12% of Total

100k to 500k Sq. Ft. 1,662,477 39.74% of Total

Ontario, CA Office Property by Building Class

Range Total Square Feet Share of Total Office

Class A 2,312,334 55.28% of Total

Class B 1,870,879 44.72% of Total

Ontario, CA Office Property By Year Built

1

1950 - 1975

18

1975 - 2000

35

After 2000

The Best Way to Rent Office Space in Ontario, CA

There are many things you will need to consider when searching for the best office space for your professional needs. Some of these factors cannot be captured in easy-to-use search filters that focus on objective and quantifiable aspects of an office space listing. For instance, how much office space you’ll need depends not only on how many people need to use the space at the same time, but also how you need to divide it, how you need to use it, and any other details particular to your business.

Similarly, choosing the perfect office space location within the city hinges on the particular focus and requirements of your professional activity, as well as the needs of your employees, such as transport options to and from work, day care services nearby, or any other amenities that are essential to them on a regular basis.

With so many aspects to consider when leasing office space, whether you have been through the process here before or if you are new to the city, the best shortcut you can take is to reach out to the listed contact for each of the properties that make it to your shortlist and schedule a viewing to get more in-depth information.

Find Office Spaces Near Me

With PropertyShark, it’s easy to find the right office space in the right location for you, that is well positioned in relation to the amenities or activities that are most important to you day in and day out. Whether you are looking in your current location in Ontario, CA or in a different city, it’s easy to navigate the interactive maps and focus your search using the filters available in the menu at the top of the page.

Easily search or sort by property type, pricing, available space or property size, and more. Once you’ve found some good options to consider, you can conveniently contact the property by filling in the contact form to request more information or a tour.