Oakville, Napa County, California Property Taxes

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

Median OAKVILLE, 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 OAKVILLE, CA home value: $1,120,431
Median annual OAKVILLE, CA tax bill: $11,591, $9,191 higher than the national median property tax bill of $2,400.

How are property taxes in Napa calculated?

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

Last Updated March 1, 2025

Oakville, Napa County, California Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.03%

Estimate Property Tax Bill

$11,540

$10,709

Ownwell’s Oakville Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Oakville with just two data points. By entering your property's estimated assessed value, our calculator applies Oakville’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. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Oakville, Napa County, California

Local government entities set tax rates, which can vary widely within a state. This variation occurs 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, resulting in the property tax rate. While votes and laws are involved in setting tax rates and budgets, this is the annual process in a nutshell. In Oakville, located in Napa County, the effective property tax rate is a reflection of this process. Napa County's median tax rate is slightly above the national median of 1.02%, indicating a higher demand for county services or a higher value of taxable properties. This can impact homeowners who might find their property tax bills higher than the national median of $2,400. However, compared to other cities in California, the rates in Oakville may still be competitive. Understanding these rates can help property owners in Oakville make informed decisions about property tax appeals or exemptions, potentially leading to significant savings.

Property Tax Rates Across Oakville, 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 Oakville Tax Rate

1.03%

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 Oakville, Napa County, California

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
94562	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Oakville, Napa County, California

When examining property taxes in Oakville, 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 Oakville. For example, the median home price in Oakville is $1,120,431, with tax bills ranging significantly across the county.

Property Tax Assessment Values Across Oakville, Napa County, California

Source: Ownwell

$243,871

$1,223,907

$2,203,942

Median Oakville Market Value

$1,120,431

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 Oakville, Napa County, California

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
94562	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Oakville, Napa County, California

In Oakville, located in Napa County, CA, property tax bills are determined by applying the local tax rate to the assessed value of a property. The assessed value is based on the market value of the home, which can fluctuate due to changes in the real estate market. With a median home price of $1,120,431, property owners in Oakville often face higher tax bills compared to the national median property tax bill of $2,400. For instance, homeowners in the 25th, 75th, and 90th percentiles all have tax bills of $11,591, which significantly exceeds the national average.

These high property tax bills can be a burden for homeowners, impacting their financial planning and overall affordability of living in the area. However, Ownwell offers a solution by providing property tax appeal and exemption services. By leveraging local expertise and data analysis, Ownwell can help homeowners identify potential savings and ensure they are not overpaying on their property taxes, ultimately easing the financial strain of owning a home in Oakville.

Property Tax Bills Across Oakville, Napa County, California

Source: Ownwell

$3,952

$13,466

$22,980

Median Oakville Tax Bill

$11,591

Median Napa County Tax Bill

$5,707

Median California Tax Bill

$4,683

Median United States Tax Bill

$2,400

Property Tax Bills Across Oakville, Napa County, California

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
94562	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates

Links
Napa Tax Assessor
Website	common1.mptsweb.com