During the fourth quarter of 2025, Antioch property owners faced tax rates at 0.8% of their home values, roughly 0.9 times the national average, data from BlockShopper.com show.
Antioch’s median home sale price was $565,000 for the fourth quarter of 2025, based on 196 transactions during that period. The typical tax bill recorded in 2025 was $4,729, translating to 0.8% of the median property value taxed in the city.
The average U.S. effective property tax rate stood at 0.888% in 2024.
Within Contra Costa County, the areas leading with the highest effective property tax rates were East Contra Costa (Unincorporated), Oakley (Unincorporated), and Crockett (Unincorporated).
This article estimates the 2025 effective property tax rate by referencing anticipated inflation figures and using the county’s 2023 tax data. Exact rates may differ somewhat depending on final data.
U.S. home prices kept climbing in 2025, with a national median around $447,000 as of June. That’s a 1.13% year-over-year increase, according to Redfin’s reporting. Redfin data also highlight a large gap between the number of sellers and buyers, with 36% more homes on the market than buyers (totaling a difference of 508,715 listings). According to Redfin’s standard, a balanced market is when buyer and seller numbers are within 10% of one another.
The following table displays a comparison of median effective property tax rates for East Contra Costa (Unincorporated) and other cities in Contra Costa County based on fourth quarter 2025 sales and tax numbers.
| 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% |
Information in this article is sourced from BlockShopper.com. Access the source data here.