For Lease
  • For Sale
  • For Lease
  • Recently Sold
  • Property Lookup
  • Brokers
Space Uses
  • Retail
  • Restaurant
  • Office
  • Coworking
  • Medical Space
  • Automotive
  • Industrial
  • Warehouse
  • Flex
Price
Price range
$
$
Size
Property size / sq.ft.

Ontario, CA Office Space for Lease

39 results
List
Map
Ontario Commercial Space with Warehouse
$5,800 / Mo
3,308 SF

Ontario Commercial Space with Warehouse

1115 S Grove Ave, Ontario, CA 91761

Renovated commercial space with offices and warehouse in Ontario.

  • Prime location in the sought‑after Belmont & Grove Business Park with direct frontage on Grove Avenue.
  • Spacious warehouse with high ceilings and a tall roll‑up grade level door for efficient delivery and distribution.
  • Well‑equipped office space featuring a reception area, 5 private offices, a conference room, kitchen, and 2 restrooms.
  • Ample parking space for convenient accessibility for employees and clients.
  • Excellent connectivity to major roads and highways, and located within 10 minutes of Ontario International Airport.
Updated: Mar 3, 2025
View details
Ontario Commercial Space with Heavy Power
$435,640
33,003 SF

Ontario Commercial Space with Heavy Power

4663 E Guasti Rd, Ontario, CA 91761

Industrial, manufacturing, warehouse & office space available for lease.

  • Excellent Location: Centrally located off the 10 Freeway with freeway exposure and proximity to the 15 Freeway and Ontario International Airport.
  • Heavy Power: Suitable for industrial, manufacturing, and warehouse operations.
  • High Clear Height: Benefit from the 28‑foot clear height in the warehouse.
  • Truck Loading: Features 3 interior truck wells and 1 street‑level door.
  • Significant Office Space: Includes +/- 7,447 square feet of office space across two floors, with multiple offices, conference rooms, and break rooms.
Updated: May 1, 2024
View details
Class A Office Space Available
$7,937 / Mo
2,995 SF

Class A Office Space Available

Premier Ontario Airport submarket location with freeway visibility.

4200 Concours St, Ontario, CA 91764
View details
Class A Office Space Available
$4,328 / Mo
1,633 SF

Class A Office Space Available

Move-in ready office space with mountain views in Ontario.

4200 Concours St, Ontario, CA 91764
View details
Modern Office Space Available
$4,950 / Mo
2,000 SF

Modern Office Space Available

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

3998 Inland Empire St, Ontario, CA 91764
View details
901 Via Piemonte: Class A Office Space
$33 SF/Yr
122,602 SF

901 Via Piemonte: Class A Office Space

Prestigious Ontario office suites; flexible sizes available.

901 Via Piemonte, Ontario, CA 91764
View details
Ontario Executive Office Suites
$22 SF/Yr
12,733 SF

Ontario Executive Office Suites

Modern Office Space, Panoramic Views

3281 Guasti Rd, Ontario, CA 91761
View details
Ontario Executive Suites: Waterside Center
$22 SF/Yr
20,996 SF

Ontario Executive Suites: Waterside Center

Prestigious Ontario office space, flexible options.

3200 Guasti Rd, Ontario, CA 91761
View details
Downtown Ontario Restaurant/Office Space
$2.00 SF/Yr
9,759 SF

Downtown Ontario Restaurant/Office Space

Restaurant and professional office spaces for lease in Ontario.

231 N Euclid Ave, Ontario, CA 91762
View details
Ontario Industrial/Office Flex Space
$1.35 SF/Yr
74,887 SF

Ontario Industrial/Office Flex Space

Industrial/office flex space available for lease in Ontario, CA.

3100 Cedar St, Ontario, CA 91761
View details
1845 S Vineyard Ave, Ontario, CA
$1.45 SF/Yr
2,000 SF

1845 S Vineyard Ave, Ontario, CA

Office space • 2,000 SF

1845 S Vineyard Ave, Ontario, CA 91761
View details
Creative Office Space Available
$2 SF/Yr
1,969 SF

Creative Office Space Available

Modern, open-concept office space with collaborative floor plan for rent.

3280 Guasti Rd, Ontario, CA 91761
View details
Spacious Office Suite in Ontario
$1.85 SF/Yr
4,174 SF

Spacious Office Suite in Ontario

4,174 SF office suite with private entrance available for rent.

1801 E Holt Blvd, Ontario, CA 91761
View details
Ontario Gateway Business Center Space
$1.75 SF/Yr
5,263 SF

Ontario Gateway Business Center Space

Office and warehouse space with easy freeway access.

760 Rochester Ave, Ontario, CA 91761
View details
Ontario Office Space Available
$1.09 SF/Yr
1,104 SF

Ontario Office Space Available

Office space for rent in Ontario, CA.

1511 W Holt Blvd, Ontario, CA 91762
View details
Office Space with Private Offices
Contact for pricing
7,554 SF

Office Space with Private Offices

Office space featuring reception, conference rooms, and private restrooms.

3999 Inland Empire Blvd, Ontario, CA 91764
View details
Ontario Office Space Available
$2 SF/Yr
15,063 SF

Ontario Office Space Available

Office space for rent in Ontario, California.

3500 Porsche Way, Ontario, CA 91764
View details
Office Space with Private Offices
$0.99 SF/Yr
10,772 SF

Office Space with Private Offices

Office space featuring private offices, conference rooms, and kitchenettes.

611 S Palmetto Ave, Ontario, CA 91762
View details
Office Space with Private Offices
$2 SF/Yr
646 SF

Office Space with Private Offices

Office space featuring a reception area and two private offices.

3333 Concours St, Ontario, CA
View details
Office Space with Elevator Access
$2 SF/Yr
8,703 SF

Office Space with Elevator Access

Office space featuring private offices, conference room, and shared lobby.

3333 Concours, Ontario, CA 91764
View details
Office Space with Private Offices
$2 SF/Yr
80,160 SF

Office Space with Private Offices

Office space featuring private offices, open area, and break area.

3536 Concours St, Ontario, CA 91764
View details
Office Space with Flexible Layout
Contact for pricing
3,661 SF

Office Space with Flexible Layout

First-floor office space featuring a reception area and multiple offices.

3270 Inland Empire Blvd, Ontario, CA 91764
View details
Office Space Available For Rent
$1.55 SF/Yr
809 SF

Office Space Available For Rent

Office space featuring private office, conference room, and restroom.

4335 E Airport Dr, Ontario, CA 91761
View details
Ontario Office Space Available
$2 SF/Yr
11,317 SF

Ontario Office Space Available

Second floor office space featuring conference rooms and multiple offices.

3990 E Concours St, Ontario, CA
View details

Ontario, CA Office space Leasing Opportunities Market Analysis

Explore Office space leasing options in Ontario, CA with 45 listings featured on our commercial real estate exchange. The current inventory includes 27,128,645,280 square feet of properties with an estimated lease value of $240 SF/Yr.

Estimated lease rates for Office space in Ontario, CA begin at $0.99 SF/Yr, with an average of $7 SF/Yr and extend to $33 SF/Yr.
List
Map