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

Sonoma County has a total of 155,607 properties with a cumulative value of $65.8B, representing 1.78% of all real estate value in California. The total property taxes collected in Sonoma County across these properties is $873.0M, with an average property tax rate of 1.33%, lower than the state average of 1.58%. The average Sonoma County homeowner pays $5,813 in property taxes compared to the state average of $5,946. Property values for tax purposes are determined by the local assessor's office and are based on the current market value of the property.

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
VeteranNot Available

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Real Estate Statistics in Sonoma County

Total Real Estate Value
Total Real Property Taxes
Average Property Tax Rate
# of Real Properties

Residential Property Taxes by Cities in Sonoma County

Sonoma 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 to calculate the total property taxes due. Property taxes in Sonoma County can vary significantly from city to city. For example, Guerneville has the highest effective property tax rate of 1.98%, while Kenwood has the lowest rate of 1.22%. This means that property owners in Guerneville will pay almost double the taxes of those in Kenwood. Property taxes in Sonoma County are generally higher than the national average, but the rate of taxation can vary significantly depending on the city. It is important for property owners to research the effective tax rate of their city before making a purchase.

Tax Assessment Value

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of property assessment value in each city in Sonoma 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
Bodega Bay$74,417$331,870$622,637$913,778$1,194,300
Camp Meeker$200$1,000$21,721$165,252$318,800
Glen Ellen$26,676$157,612$415,970$810,000$1,469,628
Monte Rio$0$75,184$210,551$395,966$578,363
Rohnert Park$32,981$165,623$303,359$481,274$631,475
Santa Rosa$29,848$167,090$339,827$530,741$715,000
The Sea Ranch$97,871$364,788$609,841$875,181$1,235,812
Unincorp County$0$0$0$426$176,436

Property Tax Bill

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

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Bodega Bay$2,888$5,119$8,078$11,179$14,656
Camp Meeker$0$0$924$2,512$4,482
Glen Ellen$1,667$3,265$6,267$10,901$18,526
Monte Rio$1,030$1,918$3,476$5,381$7,580
Rohnert Park$1,867$2,801$4,190$6,251$8,203
Santa Rosa$1,417$2,748$4,470$6,501$8,676
The Sea Ranch$3,504$5,458$7,801$10,460$14,175
Unincorp County$0$0$605$2,117$5,670

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
Bodega Bay 3.88% 1.54% 1.30% 1.22% 1.23%
Camp Meeker 0.00% 0.00% 4.25% 1.52% 1.41%
Cazadero 2.87% 1.70% 1.32% 1.18% 1.18%
Cloverdale 7.85% 1.76% 1.45% 1.36% 1.32%
Cotati 3.54% 1.76% 1.41% 1.32% 1.29%
Forestville 41.38% 3.75% 1.65% 1.44% 1.43%
Geyserville 14.66% 2.72% 1.55% 1.30% 1.18%
Glen Ellen 6.25% 2.07% 1.51% 1.35% 1.26%
Graton 5.90% 2.49% 1.88% 1.57% 1.47%
Guerneville 409.55% 4.11% 2.13% 1.73% 1.63%
Healdsburg 5.01% 1.72% 1.38% 1.27% 1.27%
Jenner 8.09% 2.14% 1.44% 1.37% 1.23%
Kenwood- 2.03% 1.37% 1.21% 1.19%
Monte Rio- 2.55% 1.65% 1.36% 1.31%
Occidental 311.03% 2.17% 1.49% 1.29% 1.26%
Penngrove 7.06% 2.33% 1.54% 1.35% 1.32%
Petaluma 2.53% 1.53% 1.26% 1.19% 1.16%
Rohnert Park 5.66% 1.69% 1.38% 1.30% 1.30%
Santa Rosa 4.75% 1.64% 1.32% 1.22% 1.21%
Sebastopol 3.54% 1.68% 1.37% 1.27% 1.23%
Sonoma 8.25% 2.26% 1.61% 1.42% 1.32%
The Sea Ranch 3.58% 1.50% 1.28% 1.20% 1.15%
Unincorp County--- 496.95% 3.21%
Windsor 6.23% 1.52% 1.36% 1.26% 1.26%

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Real Estate Values in Sonoma County

The median home price in Sonoma County has increased by 2.15% from October 2022 to October 2023, reaching $807.0K. Home inventory in Sonoma County has remained steady at 1.0K over the same period. This indicates that the housing market in California is continuing to experience strong demand, with prices continuing to rise.

Median Sale Value
Total Active Listings
Annual percent change in median sale price

Average Home Value in Sonoma County, California

Last updated: November 2023

Percent Change in Total Home Sales in Sonoma County

Last updated: November 2023

Percent Change in New Home Listings in Sonoma County

Last updated: November 2023

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Mortgage Rates in Sonoma County

Sonoma County is home to a large number of outstanding home mortgage loans, totaling $30.9 billion. This represents a significant portion of the total home value in the county, with 83,000 outstanding loans. The median mortgage rate in Sonoma County varies across cities, with Sebastopol having the highest rate at 4.83%, and The Sea Ranch having the lowest rate at 4.05%. This variation in rates can have a significant impact on the affordability of a home loan, and it is important for potential homebuyers to research the rates in their area before making a decision.

Overall, the total outstanding loan amount in Sonoma County is a testament to the strength of the local housing market. With a wide range of mortgage rates available, homebuyers can find the best option for their needs. It is important to compare rates across cities to ensure that you are getting the best deal possible. With the right research, homebuyers can find the perfect loan for their needs in Sonoma County.

# of Outstanding Loans
Total Outstanding Loan Amount
Properties with Loans

Outstanding Mortgages

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

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Bodega Bay$83,878$187,156$336,658$515,538$767,579
Camp Meeker$35,144$83,353$163,156$290,519$415,641
Glen Ellen$63,275$155,726$362,798$614,503$948,508
Monte Rio$42,180$97,030$204,058$329,118$483,681
Rohnert Park$57,353$123,515$244,422$409,883$554,136
Santa Rosa$60,559$134,189$246,749$413,441$575,328
The Sea Ranch$90,621$179,416$327,264$550,145$797,296
Unincorp County$46,964$113,314$289,535$472,782$690,761

Mortgage Rates

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

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Bodega Bay 3.09% 3.70% 4.49% 6.41% 7.49%
Camp Meeker 2.90% 3.59% 4.35% 6.18% 7.18%
Cazadero 3.10% 3.83% 4.79% 6.73% 7.76%
Cloverdale 3.09% 3.69% 4.50% 6.17% 7.49%
Cotati 3.00% 3.66% 4.50% 6.30% 7.38%
Forestville 3.00% 3.66% 4.50% 6.46% 7.50%
Geyserville 3.28% 3.75% 4.75% 6.50% 7.86%
Glen Ellen 2.90% 3.47% 4.25% 6.50% 7.25%
Graton 2.99% 3.70% 4.77% 6.87% 7.59%
Guerneville 3.00% 3.64% 4.40% 6.17% 7.50%
Healdsburg 2.90% 3.62% 4.46% 6.37% 7.46%
Jenner 3.10% 3.50% 4.10% 5.96% 7.33%
Kenwood 3.04% 3.50% 4.37% 6.36% 7.36%
Monte Rio 2.99% 3.60% 4.48% 6.29% 7.64%
Occidental 3.05% 3.70% 4.50% 6.53% 7.44%
Penngrove 3.09% 3.70% 4.45% 6.29% 7.37%
Petaluma 3.10% 3.74% 4.60% 6.61% 7.59%
Rohnert Park 2.90% 3.62% 4.40% 6.27% 7.36%
Santa Rosa 3.00% 3.65% 4.50% 6.26% 7.35%
Sebastopol 3.05% 3.76% 4.83% 6.75% 7.63%
Sonoma 2.90% 3.60% 4.50% 6.29% 7.47%
The Sea Ranch 2.90% 3.42% 4.05% 5.87% 7.11%
Unincorp County 3.37% 3.79% 4.55% 6.09% 7.63%
Windsor 3.00% 3.70% 4.63% 6.51% 7.60%

Housing Expenses in Sonoma 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 Sonoma County is 1.33%.
The following exemptions and discounts are available in Sonoma County: Charitable, Disabled, Homestead and Solar/Wind