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Ontario Flex Space Available
For Lease
$4,550/Mo

4025 East Guasti Road, Ontario, CA 91761

Multi-tenant flex space featuring offices, storage, and multiple grade-level doors.

Space Size3,528 SF
Property Size79,281 SF
Days on Market285

Property Features for 4025 East Guasti Road

General Information

Standard status Active
Size 3,528 SF
Class B
Property subtype Industrial - Flex - Industrial

Building Details

Building Size 79,281 SF
Year Built 1982

Spaces For Lease

at 4025 East Guasti Road Contact us

4055 E. Guasti Rd. #406/407

Size
3,528 SF
Type
Flex - Industrial
Lease Type
Modified Gross
Availability
Immediate
Sublease
No
Renewal Option
Yes
Contact us
Listing Agency: Martin Commercial Group
Listed By: Erin Lagomarsino
Source: Commercialcafe
Added: Nov 24, 2025 Changed: Sep 3 Last Checked: Sep 5 at 4:42AM

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 Martin Commercial Group

Investment Insights

Based on property information with market context.

This multi-tenant building in Ontario offers a flex space featuring 3,586 square feet. The end unit includes 4 offices, storage space, and 2 restrooms. It features a 14' clear height, 3 grade-level doors, and a sprinkler system. The unit is equipped with 200 amps of power. The property is suitable for warehouse and industrial use.

Key Highlights

  • $1.00 PSF First 6 Months + 1 Month Free Early Possession
  • Features 3 GL Doors
  • End Unit

Property Analytics

Current Use

All Propane Distribution Center Softball University University MODERN Semi Truck ... Auto Parts Store Westcoast Custom Rigz Auto Parts Store Bulwicks Carpet Installations General Contractor

Suggested Use

Top Pick Locksmith Veterinary Clinic (Bike/Boat/Book/etc) Store Pet Grooming Service Wine and Liquor Store Tattoo & Piercing Shop

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

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

1,259
Businesses Nearby
Well-served
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

Lease Benchmarks for Ontario, CA

$22.28 /SF/Yr
Avg Asking Price
$15.6–$31.5 /SF/Yr
Price Range
38,248 SF
Avg Space Size

Vacancy Rate% for Industrial in West region

3.7% 2019
4.3% 2020
2.6% 2021
2.5% 2022
4.8% 2023
6.9% 2024
7.9% 2025
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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 - Multi-tenant flex space featuring offices, storage, and multiple grade-level doors.
Where is this flex space located?
The property is located at 4025 East Guasti Road Ontario, CA.
What is the lease rate?
The lease rate is $4,550/Mo.
What are key features of this property?
This property features: $1.00 PSF First 6 Months + 1 Month Free Early Possession; Features 3 GL Doors; End Unit
More about this property
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