Gateway Corporate Center

21700 Copley Dr., Diamond Bar, CA 91765

Property Information

  • For Lease $39.00/SF/YR
  • Property Type Office
  • Property Size 77,388 SF
  • # of Floors 3
  • Parking Ratio 2.46 / 1,000 SF
  • Building Class A
  • Year Built 1991
  • Date Updated Oct 21, 2026

Description

A 3-story, 77,388 square foot office building located on East Copley Drive in the Gateway Corporate Center office park.

Highlights

  • Bus Line
  • Day Care
  • Energy Star Labeled
  • Food Service
  • Hotels
  • Lush Landscaping and Ontario Intl Airport
  • Restaurants
  • Shops and Banks nearby.

1 Space Available

Suite 138

Space Type

Office

Lease Rate

$39.00/SF/YR

Total Space

791 SF

Floor

1

Divisible Space

791 - 791 SF

Available Date

Feb 1, 2027

Lease Type

Full Service

Lease Term

From 1 To 5 Years

Renewal Option

Yes

Sublease

No

Space Number

138

Contacts

Location

Located at 21700 Copley Dr., Diamond Bar, CA 91765, this property is part of the Diamond Bar neighborhood and Los Angeles market.

  • 35/100 Car-Dependent
  • 11/100 Somewhat Bikeable
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Contact Gateway Corporate Center
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