Santa Rosa, Sonoma County, California Property Taxes
Property Taxes in Santa Rosa, California
Median Santa Rosa, California effective property tax rate: 1.16%, significantly higher than the national median of 1.02%, and lower than the California state median of 1.21%.
Median Santa Rosa, California home value: $452,897
Median annual Santa Rosa, California tax bill: $5,209, $2,809 higher than the national median property tax bill of $2,400.
How are property taxes in Sonoma calculated?
Property taxes in Santa Rosa, California 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 Santa Rosa's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Santa Rosa, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Santa Rosa, Sonoma County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.16%
Estimate Property Tax Bill
$5,254
$4,875
$774
Average Annual Tax Savings
How Does the Santa Rosa Property Tax Calculator Work?
Use this Santa Rosa property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Santa Rosa's median effective tax rate of 1.16% — based on actual property records in Sonoma County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Santa Rosa's median effective rate across all local levies, providing a more accurate estimate than applying a single county rate.
Your bill may vary by ZIP code within Santa Rosa: rates range from $4,091 in 95401 to $6,198 in 95409, primarily due to differences in school district levies and local assessment districts.
Santa Rosa's median property tax bill of $5,209 is higher than the California median of $2,400 and above the national median property tax bill of $2,400. If your estimate is higher than expected, Ownwell can appeal your Santa Rosa assessment — you only pay if we save you money.
About Santa Rosa Property Taxes
About Property Taxes in Santa Rosa, Sonoma, California
Santa Rosa's median effective property tax rate of 1.16% is lower than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Sonoma County base levy combined with local school district levies and Mello-Roos Community Facility Districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Santa Rosa. Homeowners in the 95409 ZIP code carry a median effective rate of 1.18%, while those in 95403 pay 1.15%. This spread — 0.03 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Sonoma County. Understanding which part of Santa Rosa you live in can make a meaningful difference to your annual tax bill.
Santa Rosa homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the December 1, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Santa Rosa, Sonoma County, California
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? 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. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Santa Rosa's effective property tax rate to other cities in California and the median property tax rates in California and the U.S.
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 Santa Rosa Tax Rate
1.16%
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 Sonoma County Tax Rate
1.17%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Santa Rosa, Sonoma County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95401 | 1.13% | 1.14% | 1.15% | 1.17% | 1.20% |
| 95403 | 1.11% | 1.13% | 1.15% | 1.19% | 1.42% |
| 95404 | 1.13% | 1.14% | 1.16% | 1.18% | 1.22% |
| 95405 | 1.11% | 1.13% | 1.16% | 1.18% | 1.21% |
| 95407 | 1.14% | 1.15% | 1.17% | 1.28% | 1.61% |
| 95409 | 1.13% | 1.17% | 1.18% | 1.20% | 1.24% |
| 95442 | N/A | N/A | N/A | N/A | N/A |
| 95472 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Assessment Values Across Santa Rosa, Sonoma County, California
When examining property taxes in Santa Rosa, 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 Sonoma County appraisal district 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.
Assessment notices:
In Sonoma County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of October.
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. For example, the median home price in Santa Rosa is $452,897, with tax bills ranging significantly across the county. 95409 has the highest median home price at $542,003.
Property Tax Assessment Values Across Santa Rosa, Sonoma County, California
Source: Ownwell
$180,027
$569,667
$959,306
Median Santa Rosa Market Value
$452,897
Median Sonoma County Market Value
$473,427
Median California Market Value
$427,605
Median United States Market Value
$235,294
Property Tax Assessment Values Across Santa Rosa, Sonoma County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95401 | $133,166 | $237,520 | $366,115 | $556,494 | $710,188 |
| 95403 | $170,829 | $285,092 | $450,000 | $656,098 | $832,516 |
| 95404 | $157,123 | $306,199 | $517,129 | $755,659 | $1,113,762 |
| 95405 | $145,069 | $275,873 | $461,878 | $652,800 | $831,504 |
| 95407 | $146,409 | $264,743 | $398,622 | $549,081 | $665,000 |
| 95409 | $172,289 | $341,342 | $542,003 | $743,489 | $946,525 |
| 95442 | N/A | N/A | N/A | N/A | N/A |
| 95472 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Bills Across Santa Rosa, Sonoma County, California
Property tax bills in Santa Rosa are based on the assessed value of a home, not the market price alone. Local tax rates are applied to that assessed value, and the final bill can also reflect exemptions, special assessments, and other local charges. With a median home price of $452,897, homeowners in Santa Rosa can see very different tax bills depending on where they live and how their property is assessed.
The median property tax bill in Sonoma County is $6,198 in zip code 95409 and $4,091 in zip code 95401, showing how much bills can vary across the city. Santa Rosa homeowners often pay more than the national median property tax bill of $2,400, which makes reviewing an assessment especially important.
Ownwell helps homeowners lower property tax bills by identifying overassessments, filing appeals, and pursuing exemptions when available. If your assessed value is too high, Ownwell can help you challenge it and potentially save money year after year.
Median Santa Rosa Tax Bill
$5,209
Median Sonoma County Tax Bill
$5,647
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across Santa Rosa, Sonoma County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95401 | $1,219 | $2,557 | $4,091 | $6,329 | $8,197 |
| 95403 | $1,280 | $3,027 | $5,180 | $7,635 | $9,954 |
| 95404 | $1,821 | $3,561 | $6,062 | $8,784 | $13,018 |
| 95405 | $1,699 | $3,194 | $5,357 | $7,586 | $9,610 |
| 95407 | $794 | $2,914 | $4,624 | $6,553 | $8,035 |
| 95409 | $1,502 | $3,721 | $6,198 | $8,617 | $11,003 |
| 95442 | N/A | N/A | N/A | N/A | N/A |
| 95472 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Property Valuation Date | January 1 |
| Appeal Deadline | December 1 |
| Tax Bill | |
| Issued | October 1 |
| Due Date #1 | December 10 |
| Due Date #2 | April 10 |
Links | |
|---|---|
| Sonoma Tax Assessor | |
| Website | common1.mptsweb.com |