Sonoma County Property Taxes
Sonoma County, California
Effective Tax Rate
0.00%
37.9% above state avgMedian Annual Tax
$0
$465/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.72%
At a Glance
Median Home Value
$779,000
State avg ▲ $569,022
Tax w/ Mortgage/yr
$6,048
$504/mo escrow
Tax w/o Mortgage/yr
$4,455
$371/mo
State Tax Rate Rank
#35
of 58 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Sonoma County, California
Sonoma's taxes dwarf the national average
Sonoma County homeowners pay an effective tax rate of 0.716%, nearly matching California's state average of 0.714% but far exceeding the national median of 0.955% on comparable homes. The median property tax here is $5,580 annually—more than double the national median of $2,690—reflecting the county's median home value of $779,000.
Middle of the pack across California
Sonoma ranks near the state median for effective tax rates, sitting just barely above California's 0.714% average. Its median annual tax of $5,580 exceeds the state median of $4,045, placing it firmly in the upper half of California counties by total tax burden.
Higher taxes than similar Wine Country peers
Compared to neighboring Napa County and surrounding regions, Sonoma's 0.716% effective rate and $5,580 median tax reflect its higher home values. Ventura County to the south carries a similar rate at 0.693%, while smaller inland counties like Sutter (0.779%) and Tulare (0.730%) maintain comparable or slightly higher effective rates despite lower home prices.
A $779,000 home costs $5,580 yearly
The typical Sonoma homeowner with a $779,000 property pays approximately $5,580 in annual property taxes at the current effective rate of 0.716%. For mortgaged properties, this figure climbs to $6,048 when including mandatory mortgage-related assessments.
Many Sonoma homeowners may be overassessed
Property tax assessments aren't always accurate, and Sonoma homeowners have the right to appeal if they believe their valuation is too high. Even a small reduction in assessed value can yield meaningful annual savings given the county's high home prices.
How Sonoma County Compares
Median Annual Property Tax
Sonoma County
0.72%
Effective rate
California Avg
0.71%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Sonoma County, California?
How much are property taxes in Sonoma County?
How does Sonoma County compare to the California average?
What is the median home value in Sonoma County, California?
Why is Sonoma County property tax rate higher than the California average?
How does Sonoma County rank for property taxes in California?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in California
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.