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3237 & 3257 E Guasti Road, Ontario, CA 91761

Recently renovated Class A office buildings with lake front offices.

Space Size982 SF - 11,371 SF
Days on Market283

Property Features for 3237 & 3257 E Guasti Road

General Information

Standard status Active
Size 982 SF - 11,371 SF
Property subtype Office

Spaces For Lease

at 3237 & 3257 E Guasti Road Contact us

3237 E. Guasti - Suite 300

Size
11,371 SF
Type
Office
Availability
Available
Available 5/15/2024 -Reception, six (6) private offices, two (2) conference rooms,...
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3257 E. Guasti - Suite 120

Size
6,512 SF
Type
Office
Availability
Available
In research - available 8/1/2025
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3237 E. Guasti - Suite 210

Size
982 SF
Type
Office
Availability
Available
Open bull pen.
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3237 E. Guasti - Suite 330

Size
2,874 SF
Type
Office
Availability
Available
Reception area, four (4) private offices, open office, storage room, work area. Suite...
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3257 E. Guasti - Suite 100

Size
2,570 SF
Type
Office
Availability
Available
Reception area, open office, five (5) private offices, conference room, break area,...
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3237 E. Guasti - Suite 260

Size
2,130 SF
Type
Office
Availability
Available
Three (3) offices.
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Listing Agency: CBRE - Ontario
Listed By: Philip Woodford · License #00908054
Source: Cbre
Added: Nov 22, 2025 Changed: Aug 26 Last Checked: May 20 at 12:16AM

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 CBRE - Ontario

Investment Insights

Based on property information with market context.

These Class A office buildings consist of two three-story structures featuring recently renovated lobbies and common areas. The property offers a campus-like environment enhanced by common area artwork. High-quality interior finishes are present throughout the buildings. Lakefront offices are available. The location provides excellent access to the I-10 and I-15 Freeways, with several restaurants within walking distance. The property contains 17,357 square feet.

Key Highlights

  • Class A office buildings
  • Excellent access to I‑10 and I‑15 Freeways
  • Recently renovated lobbies and common areas

Property Analytics

Current Use

Leslie Riley, Attorney Law Firm 6blu Inc Advertising Agency Varner & Brandt, LLP Law Firm OnTrac Drop Box Logistics Company Canon Solutions America Big Box & Wholesale Store

Suggested Use

Top Pick Storage Facility (Bike/Boat/Book/etc) Store Locksmith Carpet & Flooring Store Veterinary Clinic Barber 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

1,763
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

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
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Frequently Asked Questions

What type of property is this?
Office building - Recently renovated Class A office buildings with lake front offices.
Where is this office building located?
The property is located at 3237 & 3257 E Guasti Road Ontario, CA.
What are key features of this property?
This property features: Class A office buildings; Excellent access to I‑10 and I‑15 Freeways; Recently renovated lobbies and common areas
More about this property
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