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Stone Mountain, Gwinnett County, Georgia Property Taxes

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Property Taxes in Stone Mountain, Georgia

  • Median Stone Mountain, Georgia effective property tax rate: 1.28%, 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: $302,200

  • Median annual Stone Mountain, Georgia tax bill: $3,893, $1,493 higher than the national median property tax bill of $2,400.

How are property taxes in Gwinnett 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, Gwinnett County, Georgia Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.28%

Estimate Property Tax Bill

$3,868

$3,590

SAVE WITH OWNWELL

$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 1.28% — based on actual property records in Gwinnett 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 1.28% in 30087 to 1.28% in 30087, primarily due to differences in school district levies and local assessment districts.

Stone Mountain's median property tax bill is $3,893, which is $1,493 higher than the state median tax bill. 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, Gwinnett, Georgia

Stone Mountain's median effective property tax rate of 1.28% is lower than the Georgia state median of 1.00% and higher than the national median of 1.02%. This rate reflects the Gwinnett 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 30087 ZIP code carry a median effective rate of 1.28%, while those in the lowest ZIP also pay 1.28%. This spread reflects how school district boundaries and local assessment districts are drawn across Gwinnett 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 Assessor's Office before the July 7, 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, Gwinnett 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.

Property Tax Rates Across Stone Mountain, Gwinnett County, Georgia

Source: Ownwell

1.11%

1.33%

1.56%

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

1.28%

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 Gwinnett 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, Gwinnett County, Georgia

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
300870.32%0.96%1.28%1.56%1.76%

Source: Ownwell

Property Tax Assessment Values Across Stone Mountain, Gwinnett 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 Gwinnett 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 Gwinnett County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.

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 Stone Mountain, the median home price is $302,200, and the median tax bill is $3,893, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. Tax bills range from $2,343 at the 25th percentile to $4,811 at the 75th percentile, with the highest median home price in zip code 30087 at $302,200.

Property Tax Assessment Values Across Stone Mountain, Gwinnett County, Georgia

Source: Ownwell

$210,800

$551,475

$892,150

Median Stone Mountain Market Value

$302,200

Median Gwinnett County Market Value

$372,800

Median Georgia Market Value

$280,310

Median United States Market Value

$235,294

Property Tax Assessment Values Across Stone Mountain, Gwinnett County, Georgia

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
30087$234,470$262,600$302,200$354,675$437,370

Source: Ownwell

Property Tax Bills Across Stone Mountain, Gwinnett County, Georgia

Property tax bills in Stone Mountain are based on the assessed value of a home, not its market price alone, and the local tax rate is applied to that assessment to determine what homeowners owe. For a median home price of $302,200, tax bills can vary widely across Gwinnett County, with the 25th percentile at $2,343 and the 75th percentile at $4,811. That spread shows how differences in assessed value and exemptions can significantly affect what a homeowner pays.

Property taxes can have a major impact on household budgets, especially when a bill rises faster than expected. In Stone Mountain, the highest and lowest median tax bill is $3,893 in ZIP code 30087, which highlights how location and assessment details matter.

Ownwell helps homeowners lower their property tax bills by reviewing assessments, identifying savings opportunities, and filing appeals when a home is overassessed. If your bill seems too high, Ownwell can help you fight for a fairer property tax bill and keep more money in your pocket.

Property Tax Bills Across Stone Mountain, Gwinnett County, Georgia

Source: Ownwell

$3,134

$6,710

$10,285

Median Stone Mountain Tax Bill

$3,893

Median Gwinnett County Tax Bill

$4,650

Median Georgia Tax Bill

$2,476

Median United States Tax Bill

$2,400

Property Tax Bills Across Stone Mountain, Gwinnett County, Georgia

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
30087$940$2,343$3,893$4,811$5,882

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Stone Mountain, Georgia

How are property taxes calculated in Stone Mountain, Georgia?
Property taxes in Stone Mountain, Georgia are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Stone Mountain, Georgia?
To appeal your property taxes in Stone Mountain, Georgia, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Stone Mountain, Georgia?
Common property tax exemptions in Stone Mountain, Georgia include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Stone Mountain, Georgia?
Property tax deadlines in Stone Mountain, Georgia vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Stone Mountain, Georgia?
Ownwell provides professional property tax appeal services in Stone Mountain, Georgia. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.