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Ontario · Homes for Sale

Ontario Homes for Sale Under $400,000


Use this Ontario search under $400,000 alongside the sales data below to see how far the money goes. Roughly 15% of owner-occupied housing in Ontario is valued under $400,000, based on the latest five-year ACS.

Pace and Supply

The median condo sale took 77 days to go under contract. About 100 condos and co-ops were for sale in Ontario at the end of September. Condos and co-ops closed at about 99.3% of list price on average. Sellers added 401 fresh listings over those three months. By September 30, 354 deals were in escrow. Of the condos and co-ops sold, 21% went above their original list price.

Sale Prices

Condos and co-ops in Ontario sold at a median of $550,000 on 79 sales. Redfin logged 40 townhomes sold in Ontario at a $564,000 median. Per square foot, condos and co-ops sold at a median of $374. The townhouse price per square foot came in near $379. That quarter, 310 Ontario homes of every type sold, and the middle price was $658,000.

The Local Housing Mix

Manufactured and mobile homes make up 4% of the Ontario count. Locally, 20% of units sit in buildings with five or more units. ACS counts 9% of Ontario units as attached single homes, where townhouses fall. The ACS puts 28% of local owner homes under the $500,000 mark. Small buildings of two to four units hold 9% of Ontario housing. The 1980s and 1990s added 29% of the current Ontario stock.

HOA and FHA Basics

Check for any planned special assessment. For a manufactured home, ask about space rent and park rules. FHA loans on condos need a project the program accepts. Not legal, lending or tax advice; general information only.

Own in Ontario already? Start with a free home value to see where you stand.

Related: Ontario homes for sale, Ontario homes under $500,000, Ontario homes $1 million and up.

Data: Redfin, a national real estate brokerage, Jul-Sep 2026; U.S. Census ACS 2020-2024 5-year.

Jay Romero, Broker, DRE 01343079 | Miamar Realty | Call (949) 822-8702

Miamar Realty | Corporate DRE #02192235 | 14241 Firestone Blvd #400, La Mirada, CA 90638 | Equal Housing Opportunity.

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