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Highlights

  • Immediate access to the 210, 57, 10, and 60 freeways.
  • Nearby retail, dining, and financial services.
  • Professional environment with CC&R protections.
  • Located within a 43.46-acre master-planned business park.
  • Freeway frontage visibility for strong identity.
  • Central location serving the Southern California marketplace.

All Available Space(1)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, 2nd Floor
  • 50,000 SF
  • 5-20 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

The 2 spaces in this building must be leased together, for a total size of 50,000 SF (Contiguous Area):

1st Floor - 25,000 SF
2nd Floor - 25,000 SF

Building 1 at just over 50,000 SF offers a versatile industrial footprint with a 24-foot clear height, LED warehouse lighting, and four dock-high doors plus one ramp. The building includes ample auto parking with additional spaces available and 3,200 amps of power to accommodate robust operational needs. Sprinkler systems, concrete flooring, and efficient lighting make this facility ready for modern distribution or manufacturing requirements. Office space can be customized to suit tenant specifications.

  • Mostly Open Floor Plan Layout
  • 24 Private Offices
  • Finished Ceilings: 24’
  • 24-Foot Clear Height Advantage
  • Heavy 3,200-Amp Power Capacity
  • 2 Conference Rooms
  • Fits 63 - 200 People
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • 4 Dock-High Loading Doors
  • 15 Private Offices
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, 2nd Floor 50,000 SF 5-20 Years Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now

1st Floor, 2nd Floor

The 2 spaces in this building must be leased together, for a total size of 50,000 SF (Contiguous Area):

Size
1st Floor - 25,000 SF
2nd Floor - 25,000 SF
Term
5-20 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

1st Floor, 2nd Floor

The 2 spaces in this building must be leased together, for a total size of 50,000 SF (Contiguous Area):
Size
1st Floor - 25,000 SF
2nd Floor - 25,000 SF
Term 5-20 Years
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Building 1 at just over 50,000 SF offers a versatile industrial footprint with a 24-foot clear height, LED warehouse lighting, and four dock-high doors plus one ramp. The building includes ample auto parking with additional spaces available and 3,200 amps of power to accommodate robust operational needs. Sprinkler systems, concrete flooring, and efficient lighting make this facility ready for modern distribution or manufacturing requirements. Office space can be customized to suit tenant specifications.

  • Mostly Open Floor Plan Layout
  • Fits 63 - 200 People
  • 24 Private Offices
  • 3 Conference Rooms
  • Finished Ceilings: 24’
  • Space is in Excellent Condition
  • 24-Foot Clear Height Advantage
  • 4 Dock-High Loading Doors
  • Heavy 3,200-Amp Power Capacity
  • 15 Private Offices
  • 2 Conference Rooms

Property Overview

Walnut Creek Business Park in San Dimas, California, offers a premier campus environment within a master-planned business park spanning 43.46 acres. The park features nine existing buildings, with four currently available for lease, totaling over 209,000 square feet. The park’s design emphasizes quality and maintenance through CC&Rs (Covenants, Conditions, and Restrictions), ensuring a professional setting for businesses. Positioned adjacent to the Foothill (210) and Orange (57) freeways, the location provides exceptional regional connectivity and direct access to the San Bernardino (10) and Pomona (60) freeways. Tenants benefit from proximity to numerous retail services, including restaurants, financial institutions, and other amenities. With freeway frontage identity and unparalleled access to the Southern California marketplace, Walnut Creek Business Park is an ideal choice for companies seeking a well-connected, amenity-rich environment in a thriving corporate hub.

  • 24 Hour Access
  • Atrium
  • Bus Line
  • Controlled Access
  • Food Service
  • Security System
  • Signage
  • Monument Signage
  • Outdoor Seating
  • Air Conditioning

Property Facts

Building Type
Office
Year Built
1985
Building Height
2 Stories
Building Size
50,000 SF
Building Class
B
Typical Floor Size
25,000 SF
Parking
207 Surface Parking Spaces

Marketing Brochure

Somewhat walkable
30/100
Exceptionally drivable
100/100
Moderately bikeable
60/100

Nearby Amenities

Hotels

La Quinta Inns & Suites
161 rooms
8 min drive
DoubleTree by Hilton
132 rooms
8 min drive
Sheraton Hotel
244 rooms
9 min drive
Best Western Plus
125 rooms
9 min drive
Fairfield Inn
110 rooms
10 min drive

Leasing Team

Leasing Team

Austin Roski, Vice President
Austin Roski first joined Majestic Realty Co. in 2010 and currently serves as Vice President with responsibilities including operations, development and strategy, providing leadership across all aspects of the company. He brings extensive in-house experience from his prior roles in IT, marketing, property management, hospitality, and construction.
    
Before re-joining Majestic Realty in 2024, Austin founded and developed successful businesses in manufacturing and commercial contracting. He also gained valuable skills and experience working for prominent companies in the investment banking, commercial mortgage-backed securities (CMBS), and equity crowdfunding sectors.
    
Austin is deeply connected to Majestic Realty’s legacy as the great-grandson of the company’s late founder, Edward P. Roski Sr., grandson of the company’s current Chairman of the Board Edward P. Roski Jr., and son of the company’s current President and Chief Executive Officer Reon Roski.
    
A graduate of the University of Southern California, he earned a Bachelor of Science degree in Business Administration studying Entrepreneurship and Performance Science from the Marshall School of Business.
Reon Roski, Chief Executive Officer, President
Reon Roski currently serves as President and CEO of Majestic Realty. A Board Member since 1997, she joined the company as Senior Counsel in March 2007 and was named Managing Director later that year.  Reon is responsible for the company’s day-to-day operations and is instrumental in the continued growth of Majestic’s portfolio.

Reon is the granddaughter of the company’s late founder, Edward P. Roski, Sr., and daughter of its current Chairman of the Board, Edward P. Roski, Jr.

Prior to coming in-house, Reon served as a highly-respected real estate attorney for two L.A.-based law firms where she managed numerous large, complex and innovating real estate transactions, averaging more than 18 million square feet of transactions per year.

A graduate of the University of Southern California and Loyola Law School, she completed extensive studies abroad, including graduate school in China.  Fluent in Mandarin, Reon worked for the Chinese government with respect to real estate matters.

Reon serves on the Board of Trustees of the University of Southern California, the Board of Directors for Exposition Park and the California Science Center.  Reon also serves on the Board of Directors at Loyola High School and the Board of Directors for Operation Walk.  She is a member of YPO, Chief Executives Organization, The Real Estate Roundtable and NAIOP.  She is a member of the Board of Leaders for the USC Marshall School of Business, the Board of Directors of the Lusk Center for Real Estate at USC, and the Keck Medicine of USC Board of Councilors.  Reon has been named one of the “Women at the Top” by Commercial Real Estate Women (CREW) and one of Bisnow’s LA Power Women.
  • Listing ID: 40009370

  • Date on Market: 2026-04-02

  • Last Updated:

  • Address: 620 W Covina Blvd, San Dimas, CA 91773

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