Ontario, CA Housing Market 2026: What Homes Actually Sell For

Ontario closes a lot of homes into a narrow band, which makes its median unusually informative: sales over the last six months land close together, so the citywide number is a real anchor rather than an average of extremes.

The snapshot

• •Closings tracked, last 6 months: 858
• •Median sold price, last 6 months: $644,495
• •Median sold $/sqft, last 6 months: $391
• •Middle half of sales closed between: $536,881 and $760,000

What the numbers say

Resideline tracked 858 closed sales in Ontario over the last six months, with a median closing price of $644,495. That median is the midpoint of what buyers actually paid, not what sellers hoped to get, which is why it moves differently from the asking prices you see on listing sites. The middle half of those sales closed between $536,881 and $760,000. That spread matters more than the headline median: where a specific property sits inside it decides whether the citywide number helps you or misleads you. These are the closings Resideline tracks and may differ from complete county or municipal records. Across the 846 closings with usable living area, the middle half sold between $341 and $474 per square foot.

Figures last updated September 6, 2026 from closings Resideline tracked.

Median home price in Ontario, CA (September 2026)

The median home price in Ontario is $644,495, measured across the 858 closed sales Resideline tracked over the last six months. The middle half of those sales closed between $536,881 and $760,000.

Where Ontario sale prices land

Medians hide the shape of a market. The distribution above covers the closed sales Resideline tracked in Ontario over the last six months that carry a usable sale date, trimmed to the 5th through 95th percentile, with the middle half of sales closing between $536,881 and $760,000. Among the 262 California markets with a published band, Ontario's middle-half spread ($536,881 to $760,000) ranks 51st from the narrowest. Where your target property sits inside that spread matters more than the citywide median. Measured as the ratio of the upper to the lower quartile, its middle-half spread ranks in the 13th percentile of the 2,187 US markets in Resideline's national Market Watch set, on data as of September 4, 2026.

How long a sale takes here

• •Listed to under contract: a median of 31 days, across 471 Ontario closings Resideline tracked in the last six months
• •Contract to closing: a median of 27 days, across 487 Ontario closings Resideline tracked in the last six months

The Ontario angle

Ontario, California recorded 858 closings in Resideline's tracking over the last six months. The median closed sale price was $644,495 and the middle half of sales closed between $536,881 and $760,000, in roughly the tightest 15% of spreads we track, with the quartiles sitting nearly equidistant from the median. A narrow, balanced band means the median is doing genuine work, so the productive question is whether the subject is typical rather than what the market is worth broadly. When a comp set here disagrees with the median by a wide margin, look hard at the comps before you trust the disagreement.

From market read to offer price

A tight market makes the next step easier: the citywide anchor sits close to most homes, and a report only has to explain the gap. The decision still comes down to one property and one number: what it is actually worth and what you should pay. Every Resideline report opens with this same market snapshot for the subject's exact ZIP code, then gives you the property's value, the sold comps behind it, and a market rent estimate. Pricing a specific deal? The free ARV calculator and rental property calculator run the numbers in about a minute.

And we show our work. Every estimate is frozen while the home is for sale and graded against the real closing price after it sells. See the live accuracy dashboard for the receipts, or read how the Area Market Snapshot works.

Run any Ontario address through Resideline and you will see the local market and the property's value together, in one report.

Cite this

Using these numbers? Please cite the source and the sample size:

Source: Resideline Market Watch
Market: Ontario, CA
Geography: incorporated municipality, Census place 0653896
Data updated: September 2026
Analysis period: last six months
Tracked closings: 858
Median sold price: $644,495
Median sold $/sqft: $391 (846 qualifying)
https://resideline.com/blog/ontario-ca-housing-market

Writing about this market? Paste this into your post:

<a href="https://resideline.com/blog/ontario-ca-housing-market">
  <img src="https://resideline.com/images/embed/ontario-ca.png" alt="Ontario, CA home sale price distribution, last six months" width="1000" style="max-width:100%;height:auto">
</a>
<p>Source: <a href="https://resideline.com/blog/ontario-ca-housing-market">Resideline Market Watch</a></p>

The local market statistics in this report are calculated from closed sales tracked by Resideline. Transaction coverage may differ from complete county or municipal records.

Every local market figure on this page is computed from closed sales Resideline tracked in Ontario over the last six months, and is refreshed when the data is.