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Owner-User Office Building
For Sale
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Pending

436 490 & 494 N Mountain Ave, Upland, CA 91786

Office property offering substantial occupiable space within a larger building configuration.

Property SizeContact for details
Days on Market144

Property Features for 436 490 & 494 N Mountain Ave

General Information

Standard status Pending
Property subtype Office
Listing Agency: Lee & Associates - Ontario
Listed By: Greg Martin · License #CA 01001749
Source: Crexi
Added: Apr 10 Changed: Aug 31 Last Checked: Aug 30 at 7:36PM

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 Lee & Associates - Ontario

Investment Insights

Based on property information with market context.

Stewart Plaza is an office building at 436, 490, and 494 N Mountain Ave in Upland, California. The property contains approximately 22,128 SF in total, with up to approximately 9,586 RSF available for an owner-user to occupy.

The building’s configuration supports both an owner-user requirement and investment ownership, with the available occupancy area representing a portion of the overall property. The three listed addresses are presented as one office property.

Key Highlights

  • Approximately 22,128 SF total building area
  • Up to approximately 9,586 RSF available for owner‑user occupancy
  • Located at 436, 490, and 494 N Mountain Ave, Upland, CA 91786

Property Analytics

Current Use

Dr. Andrea L. ... Dental Office Dr. Thomas Spinosa Dental Office Dr. Gray Orthodontic ... Dental Office Synergi Orthodontic Specialist Dental Office

Suggested Use

Top Pick Parking Lot & Garage Hotel & Motel Veterinary Clinic (Bike/Boat/Book/etc) Store Bed & Breakfast Restaurant

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

2,373
Businesses Nearby

Demographics for 91786, CA

55,763
Population
20,094
Households
2.8
Avg Household Size
36
Median Age
30%
College-Educated
88%
High-School Grad
8.9 sq mi
ZIP Area
6,266
Density / Sq Mi
$86,961
Median Household Income
$43,050
Median Earnings
$1,923
Median Rent
$607,100
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 - Office property offering substantial occupiable space within a larger building configuration.
Where is this office building located?
The property is located at 436 490 & 494 N Mountain Ave Upland, CA.
What are key features of this property?
This property features: Approximately 22,128 SF total building area; Up to approximately 9,586 RSF available for owner‑user occupancy; Located at 436, 490, and 494 N Mountain Ave, Upland, CA 91786
(909) 373-2904 Call to check price and availability
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