Real Estate Values and Property Tax Valuation in Napa County, California

Napa County has 39,399 properties with a cumulative value of $20.1B, representing 0.54% of all real estate value in California. Property taxes in Napa County totaled $266.8M, with an average property tax rate of 1.33%, lower than the state average of 1.58%. The average Napa County homeowner pays $7,095 in property taxes, higher than the state average of $5,946. Property taxes are based on the assessed value of the property, which is typically lower than the market value.

The property tax timeline in California begins on January 1st, when the property valuation date is set. Property value notices are then issued between June and August. Property tax appeals must be submitted by September 15th or November 30th, depending on the county. Finally, property tax bills are issued on October 1st.

Important Dates
Property Valuation Date:January 1st
Property Value Notices Issued:June - August
Property Tax Appeal Deadline:September 15 or November 30 (varies by county)
Property Tax Bills Issued:October 1st
Real Property Tax Bill Due (1st of #):December 10th, 1st half installment
Real Property Tax Bill Due (2nd of #):April 10th, 2nd half
Available Exemptions
SeniorNot Available
DisabledAvailable
HomesteadAvailable
VeteranNot Available
Solar/WindAvailable
CharitableAvailable

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Real Estate Statistics in Napa County

Total Real Estate Value
$20.1B
Total Real Property Taxes
$266.8M
Average Property Tax Rate
1.33%
# of Real Properties
39.4K

Residential Property Taxes by Cities in Napa County

Napa County has an average property tax rate of 1.33%, which is slightly higher than the national average of 1.07%. This rate is applied to the assessed value of a property, and the average property tax bill in Napa County is estimated to be around $7,095. Property taxes collected in Napa County in 2023 are estimated to be around $266.8 million.

Property tax rates vary across the cities in Napa County. The city with the highest effective property tax rate is Napa, with a rate of 1.38%. On the other hand, the city with the lowest effective property tax rate is Saint Helena, with a rate of 1.18%. Although the difference between the highest and lowest rates is only 0.2%, it can still make a significant difference in the amount of taxes paid by homeowners.

Tax Assessment Value

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of property assessment value in each city in Napa County. The tax assessment value may differ from the potential sale value, and is used to calculate the property tax for each piece of real estate.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
American Canyon$48,359$208,277$411,245$572,892$710,000
Angwin$34,982$202,680$433,712$682,286$1,083,217
Calistoga$34,897$118,386$404,754$728,563$1,161,975
Napa$52,064$179,475$380,728$625,579$906,306
Saint Helena$45,159$159,678$596,723$1,179,508$2,243,441
Yountville$44,521$92,956$365,149$805,658$1,233,518

Property Tax Bill

This table shows the percentiles of actual property tax paid on residential properties for each city in Napa County.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
American Canyon$2,124$3,330$5,377$7,515$9,010
Angwin$1,641$3,012$5,159$7,665$12,158
Calistoga$1,572$3,175$5,715$8,848$16,042
Napa$2,041$3,491$5,602$8,252$11,467
Saint Helena$1,358$3,575$8,058$14,389$27,285
Yountville$2,291$3,576$7,120$10,810$15,424

Effective Property Tax Rate

The effective property tax rate is calculated by dividing the property tax bill by the assessed value. For the percentiles below, the calculation is performed using the percentiles for property tax bill and assessed value above. Therefore, each consecutive percentile doesn't necessarily show a larger value.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
American Canyon 4.39% 1.60% 1.31% 1.31% 1.27%
Angwin 4.69% 1.49% 1.19% 1.12% 1.12%
Calistoga 4.50% 2.68% 1.41% 1.21% 1.38%
Napa 3.92% 1.95% 1.47% 1.32% 1.27%
Saint Helena 3.01% 2.24% 1.35% 1.22% 1.22%
Yountville 5.15% 3.85% 1.95% 1.34% 1.25%

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Real Estate Values in Napa County

The data from Redfin shows that the median home price in Napa County has increased by 17.95% from October 2022 to October 2023, from $975.0K to $1.1M. This indicates that the housing market in Napa County is strong and that prices are continuing to rise. Additionally, the home inventory in Napa County has increased from 353 in October 2022 to 370 in October 2023, indicating that there is an increase in the number of homes available for purchase. This suggests that the housing market in Napa County is healthy and that there is a good supply of homes for buyers.

Median Sale Value
$1.1M
Total Active Listings
370
Annual percent change in median sale price
17.95%

Average Home Value in Napa County, California

Last updated: November 2023

Percent Change in Total Home Sales in Napa County

Last updated: November 2023

Percent Change in New Home Listings in Napa County

Last updated: November 2023

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Ownwell will evaluate your property tax assessment, build a case, and file an appeal. With our Savings-or-Free guarantee, only pay 25% of your property tax bill savings!

Mortgage Rates in Napa County

Napa County is home to a large number of outstanding home mortgages, totaling $9.5 billion. This represents a significant portion of the total home value in the county, with an average of 21.3 thousand outstanding loans. The median mortgage rate in Napa County varies across cities, with Yountville having the highest rate at 4.79%, and Napa having the lowest rate at 4.48%. This variation in rates across cities can have a significant impact on the cost of borrowing for homeowners in the county.

Overall, the mortgage market in Napa County is strong, with a large number of outstanding loans and a wide range of rates. Homeowners in the county have access to a variety of loan options, allowing them to find the best deal for their needs. With the right loan, homeowners in Napa County can take advantage of the strong market and secure a loan that meets their needs.

# of Outstanding Loans
21.3K
Total Outstanding Loan Amount
$9.5B
Properties with Loans
54.15%

Outstanding Mortgages

The table below shows the percentile distribution of outstanding loans on residential properties in Napa County by city.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
American Canyon$94,260$158,290$252,392$371,335$497,736
Angwin$74,204$179,299$322,180$533,956$724,006
Calistoga$54,740$120,742$286,749$496,296$797,763
Napa$56,584$139,013$275,398$467,739$664,884
Saint Helena$64,286$159,201$394,648$729,775$1,347,900
Yountville$52,262$119,412$297,652$532,261$785,945

Mortgage Rates

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of mortgage rates in cities across Napa County.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
American Canyon 3.25% 3.85% 4.79% 6.17% 7.10%
Angwin 2.93% 3.60% 4.50% 6.26% 7.49%
Calistoga 3.00% 3.71% 4.71% 6.73% 7.58%
Napa 3.00% 3.65% 4.48% 6.40% 7.47%
Saint Helena 2.90% 3.57% 4.50% 6.66% 7.51%
Yountville 2.92% 3.71% 4.79% 6.79% 7.42%

Housing Expenses in Napa County, California

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Frequently asked questions

We currently operate in Texas, California, Washington, Georgia, Florida and Illinois.
We use a private national data provider that cross-references with county recorder's offices to verify ownership. If in the event our system is unable to verify the property, our team will take further steps to investigate ownership and reach out to the customer for confirmation.
Our success rate varies across geographies; however, in any given year, we typically win more than 70% of our cases, saving clients an average of $1,457 on their property taxes.
Yes, in the market areas we serve, we have a dedicated Property Tax Consultant that is physically present in the market they are servicing. The specialist assigned to your property has the necessary geographical competence to provide exemplary service!
The average property tax rate in Napa County is 1.33%.
The following exemptions and discounts are available in Napa County: Charitable, Disabled, Homestead and Solar/Wind