Saint Helena, Napa County, California Property Taxes
Median Saint Helena, CA effective property tax rate: 1.03%, slightly higher than the national median of 1.02%, but lower than the California state median of 1.21%.
Median Saint Helena, CA home value: $797,114
Median annual Saint Helena, CA tax bill: $7,793, $5,393 higher than the national median property tax bill of $2,400.
How are property taxes in Napa County calculated?
Property taxes in Saint Helena, CA are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Saint Helena’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Saint Helena, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Saint Helena, Napa County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.03%
Estimate Property Tax Bill
$8,210
$7,619
Property Tax Rates Across Saint Helena, Napa County, California
Local government entities set tax rates, which can vary widely within a state. Each county annually estimates its required budget to provide essential services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While votes and laws are involved in setting tax rates and budgets, this is the annual process.
In Saint Helena, located in Napa County, the effective property tax rate stands at 1.03%. This rate aligns with the median property tax rate for California and is slightly above the national median of 1.02%. When compared to other cities in California, Saint Helena's rate is consistent, reflecting the county's balanced approach to budgeting and taxation. The property tax bill here might be higher than the national median of $2,400 due to the assessed property values, yet it supports a range of public services that enhance the community's quality of life. Understanding these rates and their implications can help property owners make informed financial decisions.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Saint Helena Tax Rate
1.03%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Napa County Tax Rate
1.20%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Saint Helena, Napa County, California
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
94574 | 0.93% | 1.03% | 1.03% | 1.04% | 1.05% |
Source: Ownwell
Property Tax Assessment Values Across Saint Helena, Napa County, California
When examining property taxes in Saint Helena, California, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Napa County Assessor's Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
In Napa County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of March. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Saint Helena. For example, the median home price in Saint Helena is $797,114, with tax bills ranging significantly across the county. ZIP code 94574 has the highest median home price at $797,114.
Property Tax Assessment Values Across Saint Helena, Napa County, California
Source: Ownwell

$243,871
$1,223,907
$2,203,942
Median Saint Helena Market Value
$797,114
Median Napa County Market Value
$490,000
Median California Market Value
$378,421
Median United States Market Value
$235,294
Property Tax Assessment Values Across Saint Helena, Napa County, California
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
94574 | $96,901 | $327,830 | $797,114 | $1,519,926 | $2,850,500 |
Source: Ownwell
Property Tax Bills Across Saint Helena, Napa County, California
Median Saint Helena Tax Bill
$7,793
Median Napa County Tax Bill
$5,707
Median California Tax Bill
$4,683
Median United States Tax Bill
$2,400
Property Tax Bills Across Saint Helena, Napa County, California
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
94574 | $963 | $3,167 | $7,793 | $14,710 | $28,132 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates |
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Links | |
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Napa Tax Assessor | |
Website | common1.mptsweb.com |