Contra Costa County, CA Property Tax Search
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In-depth Contra Costa County, CA Property Tax Information
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See detailed property tax information from the sample report for 89 Dairy Creek Ln, Contra Costa County, CA
Property Tax Calculation
The California Constitution mandates that all property is subject to taxation unless otherwise exempted by state or federal law. Proposition 13, enacted in 1978, forms the basis for the current property tax laws.
Assessed value is calculated based on market value using a base year value. A property's original base value is its 1975-1976 market value and can be adjusted each year by no more than 2% to account for inflation. However, if there has been a change in ownership or completed new construction, the new assessed value will be the market value of the property as of the date that if changed ownership or was newly constructed.
| Land value | $1,566,787 | ||||||
| Improvement value | + | $2,251,623 | |||||
| Assessed value | = | $3,818,410 | |||||
Exemptions and Taxable Value
Taxable value represents the assessed value less any tax exemptions that apply. Exemptions, like Senior homestead, are available in Contra Costa County that may lower the property's tax bill.
| Assessed value | $3,818,410 | ||||||
| Homeowners exemption | - | $7,000 | |||||
| Taxable value | = | $3,811,410 | |||||
Property Tax
Base tax is calculated by multiplying the property's assessed value by all the tax rates applicable to it and is an estimate of what an owner not benefiting from any exemptions would pay.
| Tax description | Assessed value | Tax rate | Tax amount | ||
|---|---|---|---|---|---|
| Acalanes Bond 2002 | $3,818,410 | x | 0.0022 | = | $84.01 |
| Acalanes Bond 2008 | $3,818,410 | x | 0.0288 | = | $1,099.70 |
| Bart | $3,818,410 | x | 0.0047 | = | $179.47 |
| Bart Bond 2016 | $3,818,410 | x | 0.0101 | = | $385.66 |
| Comm Coll 2002 Bnd | $3,818,410 | x | 0.0029 | = | $110.73 |
| Comm Coll 2006 Bnd | $3,818,410 | x | 0.0037 | = | $141.28 |
| Comm Coll 2014 Bnd | $3,818,410 | x | 0.0076 | = | $290.20 |
| Countywide Tax | $3,818,410 | x | 1.0000 | = | $38,184.10 |
| East Bay Reg Pk BD | $3,818,410 | x | 0.0013 | = | $49.64 |
| Orinda Elem BD 18e | $3,818,410 | x | 0.0261 | = | $996.61 |
| Orinda Elem BD 18i | $3,818,410 | x | 0.0261 | = | $996.61 |
| Orinda Roads BD 14 | $3,818,410 | x | 0.0118 | = | $450.57 |
| Orinda Roads BD 16 | $3,818,410 | x | 0.0179 | = | $683.50 |
| Base tax | $3,818,410 | x | 1.1432 | = | $43,652 |
Current tax represents of the amount the owner pays including exemptions.
| Tax description | Taxable value | Tax rate | Tax amount | ||
|---|---|---|---|---|---|
| Current tax | $3,811,410 | x | 1.1432 | = | $43,572 |
Actual taxes might differ from the figures displayed here due to various abatement and financial assistance programs or to non ad-valorem taxes levied as special taxes. For more information please visit California State Board of Equalization webpage or this publication. Also, you can visit the Contra Costa County's Assessor, Tax Collector or look up this property's current valuation.
This map shows property tax in correlation with square footage of the property.
| Property tax | $43,652 |
|---|---|
| Tax year | 2024-2025 |
| Square feet | 4,306 |
| Tax per sq. ft. | $10 |
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Contra Costa County Stats for Property Taxes
Looking for more property tax statistics in your area? Instantly view essential data points on Contra Costa County, as well as CA effective tax rates, median real estate taxes paid, home values, income levels and even homeownership rates.
Effective tax rate (%)
0.85% of Assessed Home Value
0.71% of Assessed Home Value
1.02% of Assessed Home Value
Median real estate taxes paid
$6,654
$4,694
$2,869
Median home value
$787,300
$659,300
$281,900
Median income
$120,020
$91,905
$75,149
Owner occupied housing (%)
67.2%
55.6%
64.8%
Renter occupied housing (%)
32.8%
44.4%
35.2%
Interactive Map: Tax per Square Foot
Quickly identify tax rates in your area and see how much your neighbors are paying in property taxes.
Frequently Asked Questions on Property Taxes
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