Ontario homeowners paid property taxes amounting to 0.6% of their home values in the fourth quarter of 2025, representing less than 0.7 times the national average, BlockShopper.com reports.
Data from the fourth quarter of 2025 show the median sales price for an Ontario residence was $665,000 across 168 properties sold in that period. The city’s median tax bill reached $4,003 in 2025, which equates to 0.6% of the assessed median home value.
The average effective property tax rate in the U.S. was 0.888% in 2024.
Fontana reported the highest rate among cities in San Bernardino County.
This article bases its calculation of the 2025 effective property tax rate on estimated inflation metrics combined with 2021 county tax data. Actual effective rates may vary slightly.
U.S. home prices continued their rise in 2025, with national median prices hitting roughly $447,000 as of June, up 1.13% compared to a year earlier, according to Redfin. Their data also indicated a persistent mismatch in supply and demand, with 36% more sellers than buyers, translating to 508,715 more homes for sale. Redfin considers a market to be balanced if the number of sellers and buyers are within 10% of each other.
The table below shows how Fontana compares with other cities in San Bernardino County, listing their median effective property tax rates as determined by sales and tax data from the fourth quarter of 2025.
| City | Q4 2025 Sales | Q4 2025 Median Price | Median tax 2025 | Effective tax rate |
|---|---|---|---|---|
| Fontana | 214 | $642,500 | $5,408 | 0.8% |
| Rialto | 83 | $555,000 | $3,867 | 0.7% |
| Chino | 116 | $770,000 | $5,560 | 0.7% |
| Bloomington | 22 | $497,500 | $3,677 | 0.7% |
| Chino Hills | 103 | $995,000 | $6,955 | 0.7% |
| Rancho Cucamonga | 248 | $760,000 | $5,674 | 0.7% |
| Upland | 118 | $814,500 | $5,611 | 0.7% |
| Ontario | 168 | $665,000 | $4,003 | 0.6% |
| Colton | 6 | $520,000 | $3,088 | 0.6% |
| San Antonio Heights | 7 | $1,344,000 | $7,527 | 0.6% |
| Montclair | 21 | $685,000 | $3,662 | 0.5% |
| Lytle Creek | 2 | $552,500 | $2,760 | 0.5% |
Information for this article comes from BlockShopper.com. The source data can be accessed here.