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21671 Gateway Center Dr
Diamond Bar, CA 91765 Walnut Valley

$2,265 USD/MO

Loft Creative Space For Lease  •  871 SF

Property Details

  • Property Type Loft Creative Space
  • Year Built 2008
  • Total Building Size 26,098 SF
  • Tenancy Multiple
  • Building Class B
  • Zoning LCR110000*
30 Transit Score
40 Walk Score

1 Space Available

Name Space Use Size Rent Details
1st Floor Ste 101 Office 871 SF $31.20 USD/SF/YR
Suite 101 is an 871 SF, fully built-out first-floor office in the prestigious Gateway Center at 21671 Gateway Center Drive in Diamond Bar, offered on a Modified Gross lease at $2.30/SF/MO. The suite is designed for immediate occupancy and includes three private offices, a dedicated conference room, five open workstations, and a professional reception area. Large windows flood the space with natural light and look out over the well-maintained corporate park. Interior finishes include hardwood flooring, fresh modern paint, and central HVAC on a dedicated electric meter — so unlike full-service buildings that shut climate control off at 6 PM, you control your own heat and air around the clock. The landlord covers water, trash, property taxes, property insurance, CAM, and landscaping; tenant carries liability insurance, electric, and data (Spectrum high-speed available). The suite has CCTV monitoring on the floor and benefits from 24/7 secured building access, on-site property management, and ample surface parking. Ideal for professional services firms (legal, accounting, consulting, insurance), medical practices, tech startups, or a regional satellite office.

Quick facts to mirror in the structured fields
•	Size: 871 SF · 1st Floor · Office
•	Rate: $2.30/SF/MO · $27.60/SF/YR · $2,003.30/MO · $24,039.60/YR
•	Lease term: 2–5 years · Available: Now
•	Build-out: Full · Condition: Excellent
•	3 private offices · 1 conference room · 5 workstations · ~8' finished ceilings
•	Central HVAC · After-hours HVAC available · Hardwood floors · CCTV
•	Fits ~2–5 people

  • Date available: Now
  • Lease term: 2 - 5 Years
  • Service type: Modified Gross
  • Built out as: Professional Services
  • Space Type: Relet

Description

21671 Gateway Center Drive is a Class B office building in the heart of Diamond Bar's prestigious Gateway Center business district. Built in 2008 and recently refreshed, the two-story, ~26,000 SF property delivers a polished, professional environment with on-site property management, controlled-access entry, 24-hour secured access, and ample surface parking. Suites are leased on a Modified Gross basis: landlord covers water, trash, property taxes, property insurance, CAM, and landscaping. Each suite has its own dedicated electric meter, so tenants run their HVAC on their own schedule — a meaningful advantage over full-service buildings in the area that shut AC off at 6 PM during Diamond Bar's hot summer months. Tenants carry their own liability insurance and bring in their own high-speed internet, with Spectrum service available throughout the building. The address sits less than a mile from the SR-57 / SR-60 interchange and is minutes from I-10 and I-210, putting Los Angeles, Orange County, and San Bernardino County within easy reach. Ontario International Airport (ONT) is roughly 15 miles east, and tenants are within walking distance of bus service and a short drive from P.F. Chang's, Olive Garden, Chili's, In-N-Out Burger, Holiday Inn, and Ayres Suites. Located in the affluent Walnut Valley submarket — median household income ~$130,000, top-tier schools, and one of Southern California's lowest crime rates — Diamond Bar is a draw for established professionals, growing tech and medical practices, and regional headquarters.

Highlights

Prime location in Gateway Center with immediate access to the 57 and 60 freeways.
Suites feature modern finishes, private offices, and abundant natural light.
On-site property management and 24-hour secured access for tenant convenience.
Ample surface parking
Close to Ontario International Airport, Cal Poly Pomona, and major retail centers.

Amenities

  • 24 Hour Access
  • Bus Line
  • Controlled Access
  • Property Manager on Site
  • Air Conditioning

Public Transportation

Commuter RailDriveWalkDistance
Industry (Riverside Line - Southern California Regional Rail Authority (Metrolink)) 4 min - 1.7 mi
Downtown Pomona (Riverside Line - Southern California Regional Rail Authority (Metrolink)) 13 min - 7.5 mi
AirportDriveWalkDistance
Ontario International 24 min - 17.0 mi
John Wayne/Orange County 34 min - 26.6 mi
Long Beach (Daugherty Field) 44 min - 33.1 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 80
Type: Surface
Included in Rent: Yes
Faraaz Hashmi 949-887-8103 Skybridge Property Group
Faraaz Hashmi 949-887-8103 Skybridge Property Group