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1370 Valley Vista Dr
Diamond Bar, CA 91765 Walnut Valley

$2,358 - $6,021 USD/MO

Office For Lease  •  773+ SF

Property Details

  • Property Type Office
  • Year Built 1987
  • Total Building Size 87,578 SF
  • Tenancy Multiple
  • Building Class B
  • Zoning OB
0 Transit Score
28 Walk Score

3 Spaces Available

Name Space Use Size Rent Details
2nd Floor Ste 208 Office 773 SF $36.60 USD/SF/YR
  • Date available: Now
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Built out as: Standard Office
  • Space Type: Relet
2nd Floor Ste 221 Office 1,672 SF $36.60 USD/SF/YR
Suite 221. 1672 SF. Available 4.1.2026

  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
2nd Floor Ste 258 Office 1,974 SF $36.60 USD/SF/YR
Available 2/1/26. 3 offices, conference room, kitchen and open work area.

  • Date available: Feb 2026
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Built out as: Standard Office
  • Space Type: Relet

Description

Located within the prestigious Gateway Corporate Center, 1370 Valley Vista Drive is a premier Class “A” office building offering a professional and polished environment for businesses seeking a strategic foothold in the San Gabriel Valley. This two-story asset features dual lobby entrances, high-end interior finishes, and is nestled within a 255-acre master-planned business park tailored for corporate headquarters, regional offices, and high-tech users.

The property boasts scenic valley views and lush landscaping, creating a serene yet impactful setting for tenants and visitors alike. With immediate access to the 57 (Orange) and 60 (Pomona) freeways, the location ensures seamless connectivity to the greater Los Angeles region. Nearby amenities include Ontario International Airport, a variety of hotels, restaurants, retail centers, and business services, making it an ideal choice for companies prioritizing convenience and visibility.

Highlights

Attractive architecture with Dual lobby entrances
High quality interior finishes
Master-planned, 255-acre business park designed for corporate headquarters, regional offices, and high tech use
Convenient access to the 57 (Orange) and 60 (Pomona) freeways
Scenic valley views, Lush landscaping, Dramatic presence
Close to Ontario Airport, hotels, restaurants, business services and retail

Amenities

  • 24 Hour Access
  • Day Care
  • Food Service

Major Tenants

Tenant SF Occupied Lease End Date
American Fertility 4,000 SF
APR Consulting, Inc. 6,335 SF 7/5/2018
CAL Trans 9,646 SF 12/1/2022
DeepCool 4,274 SF
Diamond Bar Solutions 1,260 SF
Graybar Electric Supply 31,366 SF 5/14/2025
MATAX Consulting 4,274 SF
Regus 5,000 SF
WFG National Title 4,274 SF
Woodbury Financial Service 4,274 SF

Public Transportation

Commuter RailDriveWalkDistance
Industry (Riverside Line - Southern California Regional Rail Authority (Metrolink)) 4 min - 2.0 mi
Downtown Pomona (Riverside Line - Southern California Regional Rail Authority (Metrolink)) 14 min - 7.8 mi
AirportDriveWalkDistance
Ontario International 24 min - 17.3 mi
John Wayne/Orange County 34 min - 26.8 mi
Long Beach (Daugherty Field) 44 min - 33.3 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 325
Type: Surface
Included in Rent: Yes
Sean Kern 949-307-6625 Cushman & Wakefield
Sean Kern 949-307-6625 Cushman & Wakefield