Napa, Napa County, California Property Taxes

Name: Property Tax Bills Across Napa, Napa County, California
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Napa, CA effective property tax rate: 1.23%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.
Median Napa, CA home value: $481,581
Median annual Napa, CA tax bill: $5,786, $3,386 higher than the national median property tax bill of $2,400.

How are property taxes in Napa calculated?

Property taxes in Napa, 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 Napa’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Napa, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Napa, Napa County, California Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.23%

Estimate Property Tax Bill

$5,923

$5,497

Ownwell’s Napa Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Napa with just two data points.

By entering your property's estimated assessed value, our calculator applies Napa’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.

This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Napa County.

For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Napa, Napa County, California

Local government entities set tax rates, which can vary widely within a state. Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Napa, located in Napa County, CA, showcases a property tax landscape that is slightly above the national average. The city's effective property tax rate stands out in comparison to other cities in California. Within Napa, the highest median tax rate is found in the 94559 zip code, while the lowest is in the 94558 zip code. This variation highlights the diverse property tax environment within the city itself.

Comparatively, California's median property tax rate is higher than the national median of 1.02%, reflecting the state's unique economic and fiscal environment. Understanding these figures can help property owners better navigate their tax responsibilities and potentially identify opportunities for tax appeals or exemptions.

Property Tax Rates Across Napa, Napa County, California

Source: Ownwell

1.01%

1.33%

1.66%

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 Tax Rate

1.23%

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 Napa, Napa County, California

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
94558	1.06%	1.14%	1.22%	1.34%	1.58%
94559	1.13%	1.20%	1.27%	1.42%	1.73%

Source: Ownwell

Property Tax Assessment Values Across Napa, Napa County, California

When examining property taxes in Napa, CA, 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 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 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. For example, the median home price in Napa is $481,581, with tax bills ranging significantly across the county. The 94558 zip code has the highest median home price at $487,511.

Property Tax Assessment Values Across Napa, Napa County, California

Source: Ownwell

$243,871

$1,223,907

$2,203,942

Median Napa Market Value

$481,581

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, Napa County, California

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
94558	$108,969	$260,880	$487,511	$760,000	$1,130,740
94559	$128,327	$260,028	$467,464	$713,052	$998,154

Source: Ownwell

Property Tax Bills Across Napa, Napa County, California

In Napa, CA, property tax bills are calculated based on the assessed value of a home, which is typically determined by the county assessor. The assessment considers factors such as the property's market value, location, and any improvements made. Napa homeowners face a significant tax burden, with the median property tax bill in the area notably higher than the national median of $2,400. In Napa, the median tax bill can reach up to $5,805 in certain areas like zip code 94558, and $5,717 in zip code 94559, reflecting the area's high property values. This can be particularly challenging for homeowners, as property taxes are a substantial annual expense. Ownwell offers a solution by providing property tax appeal and exemption services, helping homeowners potentially reduce their tax bills. By leveraging expert knowledge and local insights, Ownwell can identify discrepancies in assessments and file appeals on behalf of homeowners, ensuring they pay only their fair share and potentially saving them thousands of dollars annually.

Property Tax Bills Across Napa, Napa County, California

Source: Ownwell

$3,952

$13,466

$22,980

Median Napa Tax Bill

$5,786

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, Napa County, California

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
94558	$1,751	$3,434	$5,805	$8,740	$12,388
94559	$2,115	$3,547	$5,717	$8,362	$11,348

Source: Ownwell

Don't miss the deadline to appeal!

Dates

Links
Napa Tax Assessor
Website	common1.mptsweb.com