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Flex Space With Loading Access
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3959 E Guasti Rd, Ontario, CA 91761

Industrial warehouse and office configuration with three-phase power and practical loading access.

Property Size8,496 SF
Days on Market118

Property Features for 3959 E Guasti Rd

General Information

Standard status Active
Size 8,496 SF
Property subtype Industrial

Amenities

3

Building Details

Year Built 1994
Listing Agency: Wetrust Realty
Listed By: Qin Cruz
Source: Xome
Added: Apr 18 Changed: Aug 11 Last Checked: Aug 12 at 3:26AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Wetrust Realty

Investment Insights

Based on property information with market context.

This flex space combines industrial warehouse and office areas within approximately 8,496 SF. The layout includes one dock-high loading door and one ground-level loading door, with 22’ clear height and 277/480V, 3-phase electrical service. The property was built in 1994 and is identified with M-3 zoning, described as General Industrial and subject to verification.

Located at 3959 E Guasti Rd in Ontario, the space provides access to I-10, I-15, and Ontario International Airport. It is available beginning 5/1/2026 as a sublease, with a flexible term extending through Jan 2028, subject to landlord approval.

Key Highlights

  • Approximately 8,496 SF of warehouse and office space
  • One dock‑high and one ground‑level loading door
  • 22’ clear height

Property Analytics

Current Use

Maney Wire & Cable ... Big Box & Wholesale Store PropertyRoom.com Trade Show Venue An Si Fulfillment LLC Warehouse & Storage Sunny Crest Patio Furniture & Home Goods

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Veterinary Clinic Pet Grooming Service Catering Service Wine and Liquor Store Plumbing Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

526
Businesses Nearby
Balanced
Demand for This Use

Demographics for 91761, CA

60,306
Population
18,309
Households
3.3
Avg Household Size
35
Median Age
21%
College-Educated
81%
High-School Grad
28.5 sq mi
ZIP Area
2,116
Density / Sq Mi
$97,396
Median Household Income
$44,493
Median Earnings
$2,015
Median Rent
$590,000
Median Home Value

Market

Vacancy Rate% for Office in West region

11% 2019
14.1% 2020
15.5% 2021
17.2% 2022
19.9% 2023
21% 2024
20.8% 2025
Rey
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Similar Off Market Nearby

  • Bless'd Tacos Catering 3400 Inland Empire Blvd #101, Ontario, CA 91764

Frequently Asked Questions

What type of property is this?
Flex space - Industrial warehouse and office configuration with three-phase power and practical loading access.
Where is this flex space located?
The property is located at 3959 E Guasti Rd Ontario, CA.
What are key features of this property?
This property features: Approximately 8,496 SF of warehouse and office space; One dock‑high and one ground‑level loading door; 22’ clear height
More about this property
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