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 Diamond Bar, CA 91765

593 - 12,417 SF of Office Space Available

Park Highlights

  • Nearby restaurants, shops, and banks.
  • Located Minutes from the 10, 57, 71 & 60 Freeways
  • 3-story building located in a business park designed for corporate headquarters
  • Broker Incentive programs available

PARK FACTS

Total Space Available 12,417 SF
Park Type Office Park

all available spaces(4)

Display Rental Rate as

Gateway Corporate Center
21700 Copley Dr
593 - 10,546 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Building Type/Class
Office/B
Year Built
1991
Building Size
82,602 SF
Building Height
3 Stories
Typical Floor Size
27,534 SF
Parking
200 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 1st Floor, Ste 165
  • 593 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Suite 168 is contiguous to Suite 165 for a total of 1,188 SF.

  • Fully Built-Out as Standard Office
  • Fits 2 - 5 People
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • 1st Floor, Ste 188
  • 8,423 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Suite with multiple offices

  • Fully Built-Out as Standard Office
  • 17 Private Offices
  • Fits 22 - 68 People
  • 3 Conference Rooms
  • 2nd Floor, Ste 268
  • 1,530 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Available 12/1/24

  • Fully Built-Out as Standard Office
  • 3 Private Offices
  • Central Air Conditioning
  • Fits 4 - 13 People
  • 1 Conference Room
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 165 593 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
1st Floor, Ste 188 8,423 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
2nd Floor, Ste 268 1,530 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
Gateway Corporate Center
21700 Copley Dr
593 - 10,546 SF | Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Building Type/Class
Office/B
Year Built
1991
Building Size
82,602 SF
Building Height
3 Stories
Typical Floor Size
27,534 SF
Parking
200 Spaces

21700 Copley Dr - 1st Floor - Ste 165

Size
593 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

21700 Copley Dr - 1st Floor - Ste 188

Size
8,423 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

21700 Copley Dr - 2nd Floor - Ste 268

Size
1,530 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now
Gateway Corporate Center
21660 Copley Dr
1,871 SF | $34.80 /SF/YR $2.90 /SF/MO $374.58 /m²/YR $31.22 /m²/MO $5,426 /MO $65,111 /YR
Building Type/Class
Office/B
Year Built
1988
Building Size
49,534 SF
Building Height
3 Stories
Typical Floor Size
16,511 SF
Parking
200 Spaces
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 1st Floor, Ste 190
  • 1,871 SF
  • 3-10 Years
  • $34.80 /SF/YR $2.90 /SF/MO $65,111 /YR $5,426 /MO
  • Office
  • -
  • August 01, 2025

1,871 SF office space for lease

  • Rate includes utilities, building services and property expenses
  • Located minutes from the 10, 57, 71 & 60 Freeways
  • Fits 5 - 15 People
  • Tenant Improvements: Negotiable
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 190 1,871 SF 3-10 Years $34.80 /SF/YR $2.90 /SF/MO $65,111 /YR $5,426 /MO Office - August 01, 2025
Gateway Corporate Center
21660 Copley Dr
1,871 SF | $34.80 /SF/YR $2.90 /SF/MO $374.58 /m²/YR $31.22 /m²/MO $5,426 /MO $65,111 /YR
Building Type/Class
Office/B
Year Built
1988
Building Size
49,534 SF
Building Height
3 Stories
Typical Floor Size
16,511 SF
Parking
200 Spaces

21660 Copley Dr - 1st Floor - Ste 190

Size
1,871 SF
Term
3-10 Years
Rental Rate
$34.80 /SF/YR $2.90 /SF/MO $65,111 /YR $5,426 /MO
Space Use
Office
Condition
-
Available
August 01, 2025

21700 Copley Dr - 1st Floor - Ste 165

Size 593 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Suite 168 is contiguous to Suite 165 for a total of 1,188 SF.

  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 2 - 5 People
  • 2 Private Offices

21700 Copley Dr - 1st Floor - Ste 188

Size 8,423 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Suite with multiple offices

  • Fully Built-Out as Standard Office
  • Fits 22 - 68 People
  • 17 Private Offices
  • 3 Conference Rooms

21700 Copley Dr - 2nd Floor - Ste 268

Size 1,530 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Available 12/1/24

  • Fully Built-Out as Standard Office
  • Fits 4 - 13 People
  • 3 Private Offices
  • 1 Conference Room
  • Central Air Conditioning

21660 Copley Dr - 1st Floor - Ste 190

Size 1,871 SF
Term 3-10 Years
Rental Rate $34.80 /SF/YR
Space Use Office
Condition -
Available August 01, 2025

1,871 SF office space for lease

  • Rate includes utilities, building services and property expenses
  • Fits 5 - 15 People
  • Located minutes from the 10, 57, 71 & 60 Freeways
  • Tenant Improvements: Negotiable

SELECT TENANTS AT THIS PROPERTY

  • Floor
  • Tenant Name
  • 2nd
  • 24-Hour Medical Staffing Services, LLC.
  • 3rd
  • AIG Financial Network
  • 3rd
  • Chinacache North America Inc
  • 1st
  • Finance Group
  • 1st
  • Greg Ashwill
  • 2nd
  • Lin Consulting Inc
  • 3rd
  • Ono Hawaiian BBQ
  • 2nd
  • PSI Services
  • 2nd
  • Tetra Tech Bas Geosciences
  • 3rd
  • US Inspector General

Park Overview

A three-story, 51,000 square foot building accentuated by a rose tile and glass exterior located in Diamond Bar at 21660 East Copley Drive in the Gateway Corporate Office Park.

  • Listing ID: 17177879

  • Date on Market: 10/23/2024

  • 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') }}