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For lease
Office Units
CA
Ontario
91764
3990 Concours

5-Story Class A Office Building

3990 Concours Ontario, CA 91764

For Lease

$29,990 SF/Yr $28,283,069/Mo (calc)

COMMERCIAL - Ontario, CA

Type:Office

Property size:

11,317 SF

For Lease

$29,990 SF/Yr $28,283,069/Mo (calc)

COMMERCIAL - Ontario, CA

Type:Office

Property size:

11,317 SF

Added:: Feb 6, 2026
Days on Market:: 158
Last Refresh:: Jul 14 at 4:06 am

Property Features for 3990 Concours

General Information

Property type: Commercial Lease
Property subtype: Office
Standard status: Active
APN: 0210205170000

Building Details

Year built: 2007

Listing agent Sangaroon Yangchana License #01518762

Listing office MGR REAL ESTATE, INC. 3800 Concourse Street #350, Upland, CA

Listing date Feb 6, 2026

MLS# CV26028851

Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This 5-story office building, built in 2007, offers professionally managed and maintained workspace under full-service gross leases. Suite 240 provides a practical office layout with 9 offices, two large conference rooms, a file room, a break room, and open areas designed for day-to-day workflow and collaboration.

Located at 3990 Concours in Ontario, the property is positioned within the Ontario airport submarket and provides immediate access to I-10 at Haven Avenue. The building is also close to I-15 and 60 Freeways, supporting convenient regional connectivity.

For tenants seeking a turnkey, office-focused environment, Suite 240’s mix of private offices, substantial conference space, and supporting rooms makes it well-suited for professional teams that need both structured work areas and dedicated meeting capacity. Reserved parking and the full-service gross lease structure help simplify occupancy planning for organizations looking to establish operations in a managed, office-oriented building.

Key Highlights

5‑story, Class A office building built in 2007 in the City of Ontario (zoning: SP)
Suite 240 offers 11,317 SF with 9 offices, 2 large conference rooms, file room, break room, and open areas
Immediate access to I‑10 at Haven Avenue, with close proximity to I‑15 and the 60 Freeways

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Office Units

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For lease
Office Units
CA
Ontario
91764
3990 Concours

What type of property is this?

Office units - Professionally managed building with reserved parking and a large office suite featuring conference rooms and offices.

Where is this office units located?

The property is located at 3990 Concours Ontario, CA.

What is the lease rate?

The lease rate is $29,990.

What are key features of this property?

This property features: 5‑story, Class A office building built in 2007 in the City of Ontario (zoning: SP); Suite 240 offers 11,317 SF with 9 offices, 2 large conference rooms, file room, break room, and open areas; Immediate access to I‑10 at Haven Avenue, with close proximity to I‑15 and the 60 Freeways

3990 Concours Ontario, CA 91764

COMMERCIAL - Ontario, CA

Property Features for 3990 Concours

General Information

Building Details

Investment Insights

Key Highlights

Property Analytics

Current Use by Public Records

Suggested Use

Similar For Rent Nearby

Flex Space with Roll-Up Door

Class A Office Suite

Class A Office Suite with Lake Views

Class A Office Suite with Lake Views

First-Floor Office Suite with Lobby Access

Five-Story Office Building

Class A Office Campus with Parking

Class A Multi-Tenant Office Suite

First-Floor Office Suite with Reception

Class A Multi-Tenant Office Campus

Move-In Ready Office Suite

Office Suite with Reception Area

FAQs