During the fourth quarter of 2025, Oakley residents paid property taxes averaging 1.1% of their home’s assessed value. This rate is more than 1.2 times above the national average, data from BlockShopper.com shows.
For the same quarter, Oakley’s median home sales price stood at $599,500 from 70 transactions. The city’s median property tax in 2025 was $6,363, representing 1.1% of the taxed homes’ median value.
The average effective U.S. property tax rate was 0.888% in 2024.
Within Contra Costa County, East Contra Costa (Unincorporated), Oakley (Unincorporated), and Crockett (Unincorporated) ranked as the top three cities with the highest property tax rates.
This report calculated 2025’s effective property tax rates using inflation-adjusted estimates in combination with 2023 county tax data. Actual rates may differ slightly from these figures.
According to Redfin, U.S. home prices rose in 2025, with the national median reaching approximately $447,000 in June, up 1.13% compared to a year prior. The data revealed a notable imbalance in the market, where sellers outnumbered buyers by 36% (or 508,715 homes). By Redfin’s terms, a balanced real estate market sees seller and buyer counts within 10% of one another.
The table below highlights a comparison of median effective property tax rates between East Contra Costa (Unincorporated) and other selected cities in Contra Costa County, reflecting sales and tax data from the fourth quarter of 2025.
| City | Q4 2025 Sales | Q4 2025 Median Price | Median tax 2025 | Effective tax rate |
|---|---|---|---|---|
| East Contra Costa (Unincorporated) | 3 | $292,500 | $4,508 | 1.5% |
| Oakley (Unincorporated) | 2 | $402,500 | $4,741 | 1.2% |
| Crockett (Unincorporated) | 5 | $480,000 | $5,782 | 1.2% |
| Hercules | 30 | $654,500 | $7,448 | 1.1% |
| Brentwood | 124 | $720,000 | $7,725 | 1.1% |
| Oakley | 70 | $599,500 | $6,363 | 1.1% |
| Richmond | 197 | $625,000 | $6,477 | 1% |
| Discovery Bay (Unincorporated) | 34 | $842,000 | $8,542 | 1% |
| Clayton | 37 | $901,000 | $8,966 | 1% |
| Martinez (Unincorporated) | 20 | $566,000 | $5,544 | 1% |
| Orinda | 55 | $1,720,000 | $15,740 | 0.9% |
| Pleasant Hill | 77 | $767,000 | $7,209 | 0.9% |
| El Sobrante (Unincorporated) | 24 | $641,500 | $5,844 | 0.9% |
| Martinez | 81 | $729,000 | $6,338 | 0.9% |
| San Pablo | 27 | $540,000 | $4,858 | 0.9% |
| San Ramon | 121 | $1,312,500 | $11,558 | 0.9% |
| Antioch | 196 | $565,000 | $4,729 | 0.8% |
| El Cerrito | 54 | $1,052,500 | $8,705 | 0.8% |
| Pinole | 36 | $752,750 | $6,271 | 0.8% |
| Richmond (Unincorporated) | 18 | $723,500 | $5,979 | 0.8% |
| San Pablo (Unincorporated) | 26 | $590,000 | $4,998 | 0.8% |
| Danville (Unincorporated) | 40 | $2,112,500 | $16,899 | 0.8% |
| Bay Point (Unincorporated) | 26 | $480,000 | $3,994 | 0.8% |
| Concord (Unincorporated) | 5 | $709,500 | $5,897 | 0.8% |
| Rodeo (Unincorporated) | 14 | $694,250 | $5,788 | 0.8% |
| Concord | 283 | $700,000 | $5,505 | 0.8% |
| Pittsburg | 75 | $535,000 | $4,106 | 0.8% |
| Alamo (Unincorporated) | 41 | $2,250,000 | $17,266 | 0.8% |
| Kensington | 16 | $1,562,500 | $11,931 | 0.8% |
| San Ramon (Unincorporated) | 2 | $3,650,000 | $28,616 | 0.8% |
| Lafayette | 61 | $1,960,000 | $13,617 | 0.7% |
| Pleasant Hill (Unincorporated) | 3 | $1,450,000 | $10,487 | 0.7% |
| Danville | 115 | $1,700,000 | $11,598 | 0.7% |
| Moraga | 31 | $1,700,000 | $11,308 | 0.7% |
| Walnut Creek | 142 | $1,132,500 | $7,781 | 0.7% |
| Walnut Creek (Unincorporated) | 53 | $1,305,000 | $8,820 | 0.7% |
| Lafayette (Unincorporated) | 8 | $2,115,000 | $13,488 | 0.6% |
| Brentwood (Unincorporated) | 3 | $900,000 | $4,215 | 0.5% |
This article references information provided by BlockShopper.com. Source data can also be found here.