This feature is unavailable at the moment.

We apologize, but the feature you are trying to access is currently unavailable. We are aware of this issue and our team is working hard to resolve the matter.

Please check back in a few minutes. We apologize for the inconvenience.

- LoopNet Team

You must register your contact information to view secure information on this listing.
You must register your contact information to view secure information on this listing.

Share This Listing

Please enter a valid email address.

Note: To send this property to multiple individuals, insert a semi-colon between each recipient's email address.

LoopNet has taken a strong stance against the practice of sending unsolicited commercial emails, also known as "spam." Please send these emails only to people you know who would be interested in this property. If someone asks you not to send these emails to them, please comply.

thank you

Your email has been sent!

Gateway Corporate Center 21660 Copley Dr

1,662 SF of Office Space Available in Diamond Bar, CA 91765

all available space(1)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 2nd Floor, Ste 210
  • 1,662 SF
  • Mar 2026
  • $50.57 CAD/SF/YR $4.21 CAD/SF/MO $544.31 CAD/m²/YR $45.36 CAD/m²/MO $7,004 CAD/MO $84,045 CAD/YR
  • Office
  • Full Build-Out
  • Now
  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • Fits 5 - 14 People
  • 1 Conference Room
  • Space is in Excellent Condition
  • Natural Light
  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • 11 Workstations
  • Central Air Conditioning
  • Open-Plan
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 210 1,662 SF Mar 2026 $50.57 CAD/SF/YR $4.21 CAD/SF/MO $544.31 CAD/m²/YR $45.36 CAD/m²/MO $7,004 CAD/MO $84,045 CAD/YR Office Full Build-Out Now

2nd Floor, Ste 210

Size
1,662 SF
Term
Mar 2026
Rental Rate
$50.57 CAD/SF/YR $4.21 CAD/SF/MO $544.31 CAD/m²/YR $45.36 CAD/m²/MO $7,004 CAD/MO $84,045 CAD/YR
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 210

Size 1,662 SF
Term Mar 2026
Rental Rate $50.57 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Sublease space available from current tenant
  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 5 - 14 People
  • 4 Private Offices
  • 1 Conference Room
  • 11 Workstations
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Natural Light
  • Open-Plan

Features and Amenities

  • Bus Line
  • Day Care
  • Food Service
  • Energy Star Labeled

PROPERTY FACTS

Building Type
Office
Year Built
1988
Building Height
3 Stories
Building Size
49,534 SF
Building Class
B
Typical Floor Size
16,511 SF
Unfinished Ceiling Height
12’
Parking
200 Surface Parking Spaces
Covered Parking
  • Listing ID: 32840346

  • Date on Market: 2024-08-16

  • Last Updated:

  • Address: 21660 Copley Dr, Diamond Bar, CA 91765

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, 'rating') }}
255 character limit ({{ remainingChars() }} characters remainingover)
{{ getErrorText(feedbackForm.msg, 'rating') }}
{{ getErrorText(feedbackForm.fname, 'first name') }}
{{ getErrorText(feedbackForm.lname, 'last name') }}
{{ getErrorText(feedbackForm.phone, 'phone number') }}
{{ getErrorText(feedbackForm.phonex, 'phone extension') }}
{{ getErrorText(feedbackForm.email, 'email address') }}