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4421 - 4481 Ontario Mills Plaza

Ontario, CA
Total Size
29,960 sqft
Year Constructed


Onsite Parking

About 4421 - 4481 Ontario Mills Plaza

Known as Parkway Plaza, this set of commercial buildings was completed in 1999. The structures contain 1 story above the ground level and offer a total of just under 30,000 square feet of rentable office space and retail space. The plaza is set at 4421 Ontario Mills Plaza in Ontario, CA.

Within this plaza there are three main buildings, which are each comprised of multiple units. The spaces in 4421 Ontario Mills Circle range in size from 1,200 square feet to approximately 9,400 square feet. Separate entrances allow guests to access each unit individually.

Large glass storefronts further attract customers to the prime retail units of 4421 Ontario Mills Circle. Signage is available on the facade of the structure, and there is a monument sign along the busy roadway. This combination ensures all of the businesses within have plenty of space to advertise.

Getting to and from this building is simple, thanks to the two freeway on-ramps that are within close proximity to 4421 Ontario Mills Circle. Because the plaza is set on a large tract of land that measures over 3 acres in size and includes plenty of parking.

Squared columns and thick molding around the roof line give 4421 Ontario Mills Circle a luxurious look. The buildings have an attractive neutral color palette that is accented by colorful trim.

Companies at 4421 - 4481 Ontario Mills Plaza

Weinstein Earthquake retrofitting
Royal Mills-Linens Outlet Home Goods Store Store

Internet Providers for 4421 - 4481 Ontario Mills Plaza

Provider Technology Max Download Speed Max Upload Speed
Megapath Copper Wireline
25 Mb/s
25 Mb/s
Verizon DSL
6 Mb/s
1.5 Mb/s

The City: Ontario

The typical asking rate per listing is in the $20's per square foot per year. The Ontario submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 13% decline in rent.

Compared to the rest of the Metropolitan Los Angeles market, the Ontario region has lower rates, so you should have no trouble finding a great deal in this undervalued region.

Median Rate Median Size
Ontario $26
Median Rate Median Size
Metropolitan Los Angeles $32

Median Rate over Time in Ontario