Napa County, California Property Taxes
Median Napa County effective property tax rate: 1.20%, slightly higher than the national median of 1.02%.
Median Napa County home value: $490,000
Median annual Napa County tax bill: $5,707, $3,307 higher than the national median property tax bill of $2,400.
How are property taxes in Napa County calculated?
Property taxes in Napa County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Napa or another part of Napa County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Napa County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.2%
Estimate Property Tax Bill
$5,880
$5,456
Property Tax Rates Across Napa County, California
Local government entities determine property tax rates, leading to significant variation within a state. Each year, counties calculate their required budget to provide essential services and divide that by the total value of all taxable property within their jurisdiction. This process results in the property tax rate. Although votes and laws play a role in setting these rates and budgets, this annual calculation is the core of the process.
Napa County in California, for example, has an effective property tax rate that can be compared to other counties in the state or the U.S. median property tax rate. Napa County's rate is slightly above the national median of 1.02%, reflecting the county's budgeting needs and property values. Within Napa County, there is further variation; Pope Valley has the highest median tax rate, while Angwin has the lowest. Understanding these local differences is crucial for property owners seeking to manage their tax liabilities effectively. By comparing these rates, property owners can better anticipate their tax responsibilities and explore potential savings through appeals or exemptions.
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%
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 California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Napa County, California
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| American Canyon | 1.09% | 1.09% | 1.11% | 1.25% | 1.36% |
| Angwin | 0.97% | 1.00% | 1.01% | 1.02% | 1.03% |
| Calistoga | 0.96% | 1.03% | 1.04% | 1.05% | 1.06% |
| Deer Park | 0.96% | 1.02% | 1.03% | 1.04% | 1.10% |
| Napa | 1.07% | 1.17% | 1.23% | 1.36% | 1.63% |
| Pope Valley | 1.02% | 1.04% | 1.66% | 1.99% | 2.51% |
| Saint Helena | 0.93% | 1.03% | 1.03% | 1.04% | 1.05% |
| Sonoma | 1.07% | 1.08% | 1.08% | 1.08% | 1.08% |
| Yountville | 0.98% | 1.07% | 1.08% | 1.09% | 1.10% |
| Glen Ellen | N/A | N/A | N/A | N/A | N/A |
| Middletown | N/A | N/A | N/A | N/A | N/A |
| Oakville | N/A | N/A | N/A | N/A | N/A |
| Rutherford | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Napa County, California
When examining property taxes in Napa County, 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.
Assessment notices:
In Napa County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Napa County.
For example, the median tax bill in Napa County is $4,798, with tax bills ranging significantly across the county. Sonoma has the highest median home price at $2,203,942.
Property Tax Assessment Values Across Napa County, California
Source: Ownwell
$243,871
$1,223,907
$2,203,942
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 Napa County, California
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| American Canyon | $80,806 | $268,764 | $471,176 | $632,862 | $775,200 |
| Angwin | $135,390 | $286,578 | $534,950 | $812,260 | $1,245,251 |
| Calistoga | $86,160 | $238,954 | $539,412 | $887,343 | $1,617,246 |
| Deer Park | $152,225 | $240,918 | $590,380 | $887,043 | $1,373,328 |
| Napa | $114,325 | $260,670 | $481,581 | $747,333 | $1,083,686 |
| Pope Valley | $115,505 | $179,997 | $243,871 | $362,100 | $845,675 |
| Saint Helena | $96,901 | $327,830 | $797,114 | $1,519,926 | $2,850,500 |
| Sonoma | $571,028 | $1,223,222 | $2,203,942 | $3,269,396 | $4,767,480 |
| Yountville | $65,790 | $121,850 | $481,082 | $967,562 | $1,473,132 |
| Glen Ellen | N/A | N/A | N/A | N/A | N/A |
| Middletown | N/A | N/A | N/A | N/A | N/A |
| Oakville | N/A | N/A | N/A | N/A | N/A |
| Rutherford | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Napa County, California
Median Napa County Tax Bill
$5,707
Median California Tax Bill
$4,683
Median United States Tax Bill
$2,400
Property Tax Bills Across Napa County, California
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| American Canyon | $878 | $2,935 | $5,286 | $7,558 | $9,216 |
| Angwin | $1,276 | $2,787 | $5,258 | $7,988 | $12,448 |
| Calistoga | $877 | $2,391 | $5,443 | $8,969 | $16,110 |
| Deer Park | $1,240 | $2,320 | $6,330 | $9,855 | $14,243 |
| Napa | $1,844 | $3,467 | $5,786 | $8,633 | $12,066 |
| Pope Valley | $2,751 | $3,252 | $3,952 | $4,984 | $8,496 |
| Saint Helena | $963 | $3,167 | $7,793 | $14,710 | $28,132 |
| Sonoma | $6,151 | $13,197 | $22,980 | $35,289 | $51,508 |
| Yountville | $696 | $1,314 | $5,044 | $10,194 | $15,362 |
| Glen Ellen | N/A | N/A | N/A | N/A | N/A |
| Middletown | N/A | N/A | N/A | N/A | N/A |
| Oakville | N/A | N/A | N/A | N/A | N/A |
| Rutherford | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Links | |
|---|---|
| Napa Tax Assessor | |
| Website | common1.mptsweb.com |
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