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Class A Office Suites
For Lease
$2,523/Mo

3110 E Guasti Road, Ontario, CA 91761

Commercial Lease, Ontario, CA

Space Size952 SF
Days on Market156

Property Features for 3110 E Guasti Road

General Information

Property type Commercial Lease
Property subtype Office
Directions Haven Ave. & E. Guasti Rd.
Subdivision 686 - Ontario
Standard status Active
APN 0210551100000

Utilities

Cooling system Central Air

Building Details

Year built 2005
Listing Agency: MGR REAL ESTATE, INC.
Listed By: Sangaroon Yangchana · License #01518762
Added: Mar 29 Changed: Aug 24 Last Checked: Aug 31 at 7:06PM
MLS# CV26067691

Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

The property comprises two multi-tenant Class A office buildings totaling 159,270 square feet. Suite 235 offers 952 square feet with an open floor plan and a dedicated training room. Central air supports the office environment, and the campus is professionally managed and maintained. Full-service gross leases are available.

Located west of I-15, the campus is visible from I-10 and is near Ontario International Airport, Ontario Mills, and surrounding retail amenities. On-site parking is provided at a ratio of 4 spaces per 1,000 square feet.

Key Highlights

  • Two multi‑tenant Class A office buildings totaling 159,270 SF
  • Suite 235 provides 952 SF with an open floor plan and training room
  • On‑site parking at a 4/1,000 ratio

Property Analytics

Current Use

AccentCare Palliative Care-Greater ... Home Health Care Service GSA Dept of Commerce Government Office U.S. Department of Commerce ... Federal Government Office InformINS Insurance Agency Southern Air Duct ... Insurance Agency

Suggested Use

Top Pick Storage Facility (Bike/Boat/Book/etc) Store Locksmith Veterinary Clinic Barber Shop Gym & Fitness Center

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

Multi-tenant
Tenancy
Yes
Highway access
Gross
Lease Type

Location Intelligence

Trade Area within ½ mile

1,763
Businesses Nearby

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

$32.33 /SF/Yr
Avg Asking Price
$8.4–$93.2 /SF/Yr
Price Range
15,315 SF
Avg Space Size

This space is priced 2% below the average of $32.33 /SF/Yr.

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
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Office units - Professionally managed office campus with flexible suite layouts and full-service gross lease terms.
Where is this office units located?
The property is located at 3110 E Guasti Road Ontario, CA.
What is the lease rate?
The lease rate is $2,523/Mo.
What are key features of this property?
This property features: Two multi‑tenant Class A office buildings totaling 159,270 SF; Suite 235 provides 952 SF with an open floor plan and training room; On‑site parking at a 4/1,000 ratio
More about this property
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