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Gateway Corporate Center 21700 Copley Dr 2,916 SF of Office Space Available in Diamond Bar, CA 91765
Sublease Highlights
- Close proximity to Ontario International Airport and major business services.
- Ample parking with a ratio of 4 spaces per 1,000 SF.
- Located minutes from the 10, 57, 71, and 60 Freeways for superior regional access.
- Professional setting with landscaped grounds and a secure environment.
All Available Space(1)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Build-Out
- Available
High Image Class B building is prime area in the Tri-County location in Diamond Bar. 6 Private offices, 1 large conference room, open floorplan with a kitchenette and plenty of parking.
- Sublease space available from current tenant
- Fully Built-Out as Standard Office
- Fits 8 - 24 People
- 1 Conference Room
- Central Air and Heating
- Atrium
- Rate includes utilities, building services and property expenses
- Mostly Open Floor Plan Layout
- 6 Private Offices
- Space is in Excellent Condition
- Print/Copy Room
| Space | Size | Term | Rental Rate | Space Use | Build-Out | Available |
| 2nd Floor, Ste 270 | 2,916 SF | Oct 2028 | $30.00 /SF/YR $2.50 /SF/MO $87,480 /YR $7,290 /MO | Office | Full Build-Out | Now |
2nd Floor, Ste 270
| Size |
| 2,916 SF |
| Term |
| Oct 2028 |
| Rental Rate |
| $30.00 /SF/YR $2.50 /SF/MO $87,480 /YR $7,290 /MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 270
| Size | 2,916 SF |
| Term | Oct 2028 |
| Rental Rate | $30.00 /SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
High Image Class B building is prime area in the Tri-County location in Diamond Bar. 6 Private offices, 1 large conference room, open floorplan with a kitchenette and plenty of parking.
- 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 8 - 24 People
- 6 Private Offices
- 1 Conference Room
- Space is in Excellent Condition
- Central Air and Heating
- Print/Copy Room
- Atrium
Property Overview
21700 Copley Drive is part of the Gateway Corporate Center, a premier office development located in Diamond Bar, California. This Class B office building spans approximately 80,026 square feet and sits on a 6.89-acre lot within a master-planned business park. Designed for corporate and professional use, the property offers a serene environment with lush landscaping and a dramatic architectural presence. The building features modern office layouts suitable for a variety of business needs, including private offices, collaborative workspaces, and conference rooms. Its strategic location provides excellent connectivity to major Southern California freeways, including the 10, 57, 71, and 60, and is just 20 minutes from Ontario International Airport. Nearby amenities include hotels, restaurants, and retail services, making it an attractive choice for companies seeking convenience and accessibility in the Eastern San Gabriel Valley market.
- Bus Line
- Day Care
- Food Service
- Energy Star Labeled
Property Facts
Sustainability
Sustainability
ENERGY STAR® Energy Star is a program run by the U.S. Environmental Protection Agency (EPA) and U.S. Department of Energy (DOE) that promotes energy efficiency and provides simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. Thousands of industrial, commercial, utility, state, and local organizations partner with the EPA to deliver cost-saving energy efficiency solutions that protect the climate while improving air quality and protecting public health. The Energy Star score compares a building’s energy performance to similar buildings nationwide and accounts for differences in operating conditions, regional weather data, and other important considerations. Certification is given on an annual basis, so a building must maintain its high performance to be certified year to year. To be eligible for Energy Star certification, a building must earn a score of 75 or higher on EPA’s 1 – 100 scale, indicating that it performs better than at least 75 percent of similar buildings nationwide. This 1 – 100 Energy Star score is based on the actual, measured energy use of a building and is calculated within EPA’s Energy Star Portfolio Manager tool.
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Gateway Corporate Center | 21700 Copley Dr
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