Stone Mountain, Dekalb County, Georgia Property Taxes
Property Taxes in Stone Mountain, Georgia
Median Stone Mountain, Georgia effective property tax rate: 1.30%, significantly higher than the national median of 1.02%, and higher than the Georgia state median of 1.00%.
Median Stone Mountain, Georgia home value: $260,600
Median annual Stone Mountain, Georgia tax bill: $3,593, $1,193 higher than the national median property tax bill of $2,400.
How are property taxes in DeKalb calculated?
Property taxes in Stone Mountain, Georgia 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 Stone Mountain's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Stone Mountain, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Stone Mountain, Dekalb County, Georgia Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.3%
Estimate Property Tax Bill
$3,388
$3,144
$774
Average Annual Tax Savings
How Does the Stone Mountain Property Tax Calculator Work?
Use this Stone Mountain property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Stone Mountain's median effective tax rate of 1.30% — based on actual property records in DeKalb 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 Stone Mountain'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 Stone Mountain: rates range from $3,360.00 in 30088 to $4,308.00 in 30087, primarily due to differences in school district levies and local assessment districts. Stone Mountain's median property tax bill of $3,593 is higher than the national median property tax bill of $2,400 and higher than the state median tax bill by $1,193.
If your estimate is higher than expected, Ownwell can appeal your Stone Mountain assessment — you only pay if we save you money.
About Stone Mountain Property Taxes
About Property Taxes in Stone Mountain, DeKalb, Georgia
Stone Mountain's median effective property tax rate of 1.30% is lower than the Georgia state median of 1.00% and higher than the national median of 1.02%. This rate reflects the DeKalb County base levy combined with local school district levies and Community Improvement Districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Stone Mountain. Homeowners in the 30088 ZIP code carry a median effective rate of 1.34%, while those in 30087 pay 1.25%. This spread — 0.09 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across DeKalb County. Understanding which part of Stone Mountain you live in can make a meaningful difference to your annual tax bill.
Stone Mountain homeowners who believe their assessed value is too high can file a formal appeal with the local Assessor's Office before the July 18, 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 Stone Mountain, Dekalb County, Georgia
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 Stone Mountain's effective property tax rate to other cities in Georgia and the median property tax rates in Georgia 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 Stone Mountain Tax Rate
1.30%
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 Dekalb County Tax Rate
1.26%
Median Effective Georgia Tax Rate
1.00%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Stone Mountain, Dekalb County, Georgia
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 30083 | 0.36% | 1.10% | 1.33% | 1.93% | 2.18% |
| 30087 | 0.36% | 1.12% | 1.25% | 1.55% | 1.97% |
| 30088 | 0.36% | 1.13% | 1.34% | 1.97% | 2.14% |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Assessment Values Across Stone Mountain, Dekalb County, Georgia
When examining property taxes in Stone Mountain, Georgia, 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 DeKalb 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 DeKalb County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
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 Stone Mountain.
For example, the median home price in Stone Mountain is $260,600, with tax bills ranging significantly across the county. 30087 has the highest median home price at $342,400.
Property Tax Assessment Values Across Stone Mountain, Dekalb County, Georgia
Source: Ownwell
$225,050
$3,044,525
$5,864,000
Median Stone Mountain Market Value
$260,600
Median Dekalb County Market Value
$304,700
Median Georgia Market Value
$280,310
Median United States Market Value
$235,294
Property Tax Assessment Values Across Stone Mountain, Dekalb County, Georgia
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 30083 | $153,900 | $215,600 | $250,600 | $281,700 | $319,900 |
| 30087 | $233,800 | $278,800 | $342,400 | $397,500 | $478,640 |
| 30088 | $175,000 | $207,300 | $234,300 | $270,200 | $298,430 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Bills Across Stone Mountain, Dekalb County, Georgia
Property tax bills in Stone Mountain are based on a home’s assessed value, which is then multiplied by the local tax rate. For homeowners, the assessed value is a key factor because it determines how much tax is owed each year. In Stone Mountain, the median home price is $260,600, and the typical tax burden can vary widely across the city. The 25th percentile tax bill is $2,607, while the 75th percentile is $4,676 and the 90th percentile reaches $5,633. That means many homeowners pay more than the national median property tax bill of $2,400.
Property taxes can have a major impact on monthly housing costs and long-term affordability. Even small assessment errors can lead to higher bills than necessary. Ownwell helps homeowners challenge unfair assessments and pursue exemptions that may lower their property tax bills. By reviewing your property’s assessed value and identifying savings opportunities, Ownwell can help you keep more money in your pocket.
Median Stone Mountain Tax Bill
$3,593
Median Dekalb County Tax Bill
$3,993
Median Georgia Tax Bill
$2,476
Median United States Tax Bill
$2,400
Property Tax Bills Across Stone Mountain, Dekalb County, Georgia
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 30083 | $967 | $2,500 | $3,373 | $4,426 | $5,259 |
| 30087 | $1,282 | $3,114 | $4,308 | $5,463 | $6,930 |
| 30088 | $867 | $2,550 | $3,360 | $4,366 | $5,001 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 18 |
| Tax Bill | |
| Issued | September 1 |
| Due Date #1 | September 30 |
Links | |
|---|---|
| Dekalb Assessor's Office | |
| Phone | (404) 371-2468 |
| Website | propertyappraisal.dekalbcountyga.gov |
| cchicks@dekalbcountyga.gov | |