Ontario CA
1.6K active listings out of 55K total properties we track across 24 Ontario ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Los Angeles metro, not just Ontario. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 1.6K currently-active listings in Ontario, CA. Full dataset covers 55K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Ontario
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other California cities within driving distance.
Get Ontario, CA data in your app
GET https://api.straply.com/v1/markets/city/ontario-ca
Authorization: Bearer $STRAPLY_KEY{
"city": "ontario-ca",
"total_tracked": 54518,
"active": 1580,
"median_list": 621266
}Ontario, CA real estate: market summary
As of November 2026, Straply tracks 54,518 homes in Ontario, CA, with 1,580 active for sale at a median list price of $621,266 (~$378/sq ft). Notably, most homes were built in the 1970s.
- Median list price
- $621,266
- Median $/sq ft
- $378
- Active listings
- 1,580
- Median sale price
- $637,745 (+2% YoY)
- Properties tracked
- 54,518
Frequently asked: Ontario, CA real estate
What is the median home price in Ontario?
The median list price in Ontario, CA is $621,266 (about $378 per square foot), based on 1,580 active listings tracked by Straply as of November 2026.
What price range are homes in Ontario?
Active listings in Ontario, CA concentrate in: 53% $500k–$750k and 21% $750k–$1m.
Are home prices in Ontario going up or down?
The median sale price is $637,745, up 2% year over year. Straply tracked 1,188 sales here over the past 12 months.
How many homes are for sale in Ontario?
Straply is tracking 1,580 active listings in Ontario, CA out of 54,518 properties on record as of November 2026.
How old are the homes in Ontario?
Most homes in Ontario, CA were built in the 1970s. About 51% 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 (45% of listings). Also common: condos 23%, townhouses 16%.
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, 91710.
What areas are near Ontario?
Nearby markets Straply also tracks include Montclair, Eastvale, Rancho Cucamonga, Mira Loma.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.