Real Estate Data API

Ontario CA

733 active listings out of 52K total properties we track across 17 Ontario ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
733
Median
$625K
+14.1%
Sold/mo
7
-91.9%
Tracked
52K
Zoomed out

While you're here, take in the bigger picture — maps below show Los Angeles metro, not just Ontario. Same company, same dataset, different resolution.

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Inventory breakdown

Distribution of the 733 currently-active listings in Ontario, CA. Full dataset covers 52K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 128 (17.7%)
$300K–$500K 58 (8%)
$500K–$750K 350 (48.4%)
$750K–$1M 150 (20.7%)
$1M–$2M 31 (4.3%)
$2M+ 6 (0.8%)
Active by bedroom count
Studio/1 bd 24
2 bd 165
3 bd 315
4 bd 161
5+ bd 64
Active by property type
Single Family 311 (42.4%)
Condo 202 (27.6%)
Manufactured 124 (16.9%)
Townhouse 73 (10%)
Multi Family 23 (3.1%)
For Developers

Get Ontario, CA data in your app

curl
request
GET https://api.straply.com/v1/markets/city/ontario-ca
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "city": "ontario-ca",
  "total_tracked": 52454,
  "active": 733,
  "median_list": 624900
}

Ontario, CA real estate: market summary

As of April 2026, Straply tracks 52,454 homes in Ontario, CA, with 733 active for sale at a median list price of $624,900 (~$384/sq ft). Notably, home prices are climbing — the median sale price is up 14% year over year.

Median list price
$624,900
Median $/sq ft
$384
Active listings
733
Median sale price
$730,000 (+14% YoY)
Properties tracked
52,454

Frequently asked: Ontario, CA real estate

What is the median home price in Ontario?

The median list price in Ontario, CA is $624,900 (about $384 per square foot), based on 733 active listings tracked by Straply as of April 2026.

What price range are homes in Ontario?

Active listings in Ontario, CA concentrate in: 48% $500k–$750k and 21% $750k–$1m.

Are home prices in Ontario going up or down?

The median sale price is $730,000, up 14% year over year. Straply tracked 1,349 sales here over the past 12 months.

How many homes are for sale in Ontario?

Straply is tracking 733 active listings in Ontario, CA out of 52,454 properties on record as of April 2026.

How old are the homes in Ontario?

Most homes in Ontario, CA were built in the 1970s. About 50% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.

What types of homes are in Ontario?

Ontario, CA is mostly single-family homes (42% of listings). Also common: condos 28%, manufactured homes 17%.

How many bedrooms do homes in Ontario typically have?

The most common size in Ontario, CA is 3 bd.

What are the most active ZIP codes in Ontario?

The ZIP codes with the most active listings in Ontario, CA are 91761, 91762, 91764.

What areas are near Ontario?

Nearby markets Straply also tracks include Montclair, Eastvale, Rancho Cucamonga, Mira Loma.

Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.