Property Taxes in Oneonta, Alabama
Median Oneonta, Alabama effective property tax rate: 0.30%, significantly lower than the national median of 1.02%, and lower than the Alabama state median of 0.47%.
Median Oneonta, Alabama home value: $214,020
Median annual Oneonta, Alabama tax bill: $602, lower than the national median property tax bill of $2,400.
How are property taxes in St. Clair calculated?
Property taxes in Oneonta, Alabama 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 Oneonta's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Oneonta, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Oneonta Property Tax Calculator Work?
Use this Oneonta property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Oneonta's median effective tax rate of 0.30% — based on actual property records in St. Clair 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 Oneonta'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 Oneonta: rates range from 0.30% in 35121 to 0.30% in 35121, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Oneonta.
About Oneonta Property Taxes
About Property Taxes in Oneonta, St. Clair, Alabama
Oneonta’s median effective property tax rate of 0.30% is lower than the Alabama state median of 0.47% and lower than the national median of 1.02%. This rate reflects the St. Clair County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Oneonta. Homeowners in the 35121 ZIP code carry a median effective rate of 0.30%, while those in the same ZIP code pay 0.30%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across St. Clair County. Understanding which part of Oneonta you live in can make a meaningful difference to your annual tax bill.
Oneonta homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the May 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 Oneonta, St. Clair County, Alabama
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 Oneonta's effective property tax rate to other cities in Alabama and the median property tax rates in Alabama 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 Oneonta Tax Rate
0.30%
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 St. Clair County Tax Rate
0.39%
Median Effective Alabama Tax Rate
0.47%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Oneonta, St. Clair County, Alabama
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 35121 | 0.19% | 0.26% | 0.30% | 0.42% | 0.53% |
Source: Ownwell
Property Tax Assessment Values Across Oneonta, St. Clair County, Alabama
When examining property taxes in Oneonta, Alabama, 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 St. Clair 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 St. Clair County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Oneonta.
For example, the median home price in Oneonta is $214,020, with tax bills ranging significantly across the county. 35121 has the highest median home price at $214,020.
Property Tax Assessment Values Across Oneonta, St. Clair County, Alabama
Source: Ownwell
$97,090
$193,340
$289,590
Median Oneonta Market Value
$214,020
Median St. Clair County Market Value
$203,325
Median Alabama Market Value
$169,700
Median United States Market Value
$274,101
Property Tax Assessment Values Across Oneonta, St. Clair County, Alabama
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 35121 | $69,370 | $115,100 | $214,020 | $302,910 | $478,800 |
Source: Ownwell
Property Tax Bills Across Oneonta, St. Clair County, Alabama
Property tax bills in Oneonta are based on the assessed value of a home, not its market price. Local taxing authorities apply the property tax rate to that assessed value to determine the annual bill, so changes in assessment can directly affect what a homeowner owes.
Several factors influence the final amount, including the home’s characteristics, its location within St. Clair County, and any exemptions that may reduce taxable value. Because property taxes are tied to assessed value, a higher assessment can lead to a larger bill even if the home has not been sold.
For many homeowners in Oneonta, the bill can vary widely. The median home price is $214,020, while the median property tax bill in the area is $602. Bills at the 25th percentile are $321, and bills at the 75th percentile are $971. At the 90th percentile, the bill reaches $1,538, which can make a meaningful difference in monthly housing costs.
Median Oneonta Tax Bill
$602
Median St. Clair County Tax Bill
$828
Median Alabama Tax Bill
$813
Median United States Tax Bill
$3,209
Property Tax Bills Across Oneonta, St. Clair County, Alabama
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 35121 | $230 | $321 | $602 | $971 | $1,538 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | May 1 |
Links | |
|---|---|
| St. Clair Tax Assessor | |
| Website | www.stclairtax.com |