San Lorenzo, Alameda County, California Property Taxes
Property Taxes in San Lorenzo, California
Median San Lorenzo, California effective property tax rate: 1.38%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.
Median San Lorenzo, California home value: $416,403
Median annual San Lorenzo, California tax bill: $5,769, $3,369 higher than the national median property tax bill of $2,400.
How are property taxes in Alameda calculated?
Property taxes in San Lorenzo, 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 San Lorenzo's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in San Lorenzo, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
San Lorenzo, Alameda County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.38%
Estimate Property Tax Bill
$5,746
$5,332
$774
Average Annual Tax Savings
How Does the San Lorenzo Property Tax Calculator Work?
Use this San Lorenzo property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies San Lorenzo's median effective tax rate of 1.38% — based on actual property records in Alameda County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies San Lorenzo's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within San Lorenzo: rates range from 1.38% in 94580 to 1.38% in 94541, primarily due to differences in school district levies and local assessment districts.
San Lorenzo's median effective tax rate is higher than the California median tax rate of 1.21%, and the median tax bill of $5,769 is higher than the national median property tax bill of $2,400. If your estimate is higher than expected, Ownwell can appeal your San Lorenzo assessment — you only pay if we save you money.
About San Lorenzo Property Taxes
About Property Taxes in San Lorenzo, Alameda, California
San Lorenzo’s median effective property tax rate of 1.38% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Alameda 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 San Lorenzo. Homeowners in the 94541 ZIP code carry a median effective rate of 1.40%, while those in 94580 pay 1.38%. This spread — 0.02 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Alameda County. Understanding which part of San Lorenzo you live in can make a meaningful difference to your annual tax bill.
San Lorenzo homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the September 15, 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 San Lorenzo, Alameda 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 San Lorenzo'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 San Lorenzo Tax Rate
1.38%
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 Alameda County Tax Rate
1.42%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across San Lorenzo, Alameda County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94541 | 1.29% | 1.31% | 1.40% | 1.52% | 1.86% |
| 94580 | 1.29% | 1.32% | 1.38% | 1.51% | 1.99% |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Assessment Values Across San Lorenzo, Alameda County, California
When examining property taxes in San Lorenzo, California, 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 Alameda 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 Alameda County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of August.
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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in San Lorenzo.
For example, the median home price in San Lorenzo is $416,403, with tax bills ranging significantly across the county. 94541 has the highest median home price at $444,594.
Property Tax Assessment Values Across San Lorenzo, Alameda County, California
Source: Ownwell
$197,307
$1,084,889
$1,972,470
Median San Lorenzo Market Value
$416,403
Median Alameda County Market Value
$564,082
Median California Market Value
$427,605
Median United States Market Value
$235,294
Property Tax Assessment Values Across San Lorenzo, Alameda County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94541 | $166,203 | $294,432 | $444,594 | $699,980 | $867,842 |
| 94580 | $99,580 | $258,867 | $415,955 | $627,862 | $793,000 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Bills Across San Lorenzo, Alameda County, California
Property tax bills in San Lorenzo 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 or other adjustments that reduce what a homeowner owes. With a median home price of $416,403, property taxes can be a major part of the cost of owning a home, especially when bills range from $3,916 at the 25th percentile to $8,332 at the 75th percentile and $10,285 at the 90th percentile.
How does this compare nationally? The national median property tax rate is 1.02%, and the national median property tax bill is $2,400, which shows how much higher many Alameda County homeowners pay. Ownwell helps homeowners lower their property tax bills by reviewing assessments, identifying opportunities for appeals, and pursuing exemptions when available. That can mean meaningful savings for homeowners who may be paying more than they should.
Property Tax Bills Across San Lorenzo, Alameda County, California
Source: Ownwell
$2,280
$13,487
$24,693
Median San Lorenzo Tax Bill
$5,769
Median Alameda County Tax Bill
$8,209
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across San Lorenzo, Alameda County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94541 | $2,110 | $4,375 | $6,325 | $9,261 | $11,198 |
| 94580 | $1,991 | $3,907 | $5,766 | $8,312 | $10,277 |
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 | September 15 |
| Tax Bill | |
| Issued | October 1 |
| Due Date #1 | December 10 |
| Due Date #2 | April 10 |
Links | |
|---|---|
| Alameda Tax Assessor | |
| Phone | (510) 272-3787 |
| Website | propinfo.acgov.org |
| AssessorWebResponse@acgov.org | |