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Sonoma County, CA Property Tax Calculator

Sonoma County homeowners pay a median $5,695 a year in property tax, 0.70% of a median $815,500 home: the same as California's 0.70% but below the national 0.94%.

At an effective rate of 0.70%, a $815,500 home pays about $5,692 a year in property tax, $474 a month.

Property tax a year
$5,692
A month (for escrow)
$474
Effective rate on the home
0.70%

Property tax in Sonoma County by home value, at 0.70%

Home valueA yearA month
$200,000$1,396$116
$300,000$2,094$175
$400,000$2,792$233
$500,000$3,490$291
$750,000$5,235$436
$1,000,000$6,980$582

Sonoma County against California and the US

Effective rateMedian taxMedian home valueMedian household income
Sonoma County0.70%$5,695$815,500$104,674
California0.70%$5,124$734,700$99,122
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Sonoma County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Sonoma County?

The effective rate is 0.70%: a median $5,695 a year on a median $815,500 home. That's the 24th highest of the 41 California counties we cover.

How much is property tax on a $400,000 house in Sonoma County?

About $2,792 a year, $233 a month, at the county's effective rate, before any exemption.

How does Sonoma County compare with the rest of California?

Its rate is the same as the state's 0.70%. Across California, covered counties range from 0.61% to 0.88%.

How do I lower my Sonoma County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other California counties

Related calculators

  • California Property Tax CalculatorCalifornia homeowners pay a median $5,124 a year in property tax, 0.70% of a median $734,700 home: the 35th highest effective rate of the 50 states and DC.
  • California Mortgage CalculatorYour monthly mortgage payment in California, with California's effective property tax rate (0.70%) built in, at this week's average rate. The calculator starts at the state's median home value, $734,700.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.