Alpharetta, Forsyth County, Georgia Property Taxes
Property Taxes in Alpharetta, Georgia
Median Alpharetta, Georgia effective property tax rate: 0.86%, significantly lower than the national median of 1.02%, and lower than the Georgia state median of 1.00%.
Median Alpharetta, Georgia home value: $587,630
Median annual Alpharetta, Georgia tax bill: $4,794, $2,394 higher than the national median property tax bill of $2,400.
How are property taxes in Forsyth calculated?
Property taxes in Alpharetta, 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 Alpharetta's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Alpharetta, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Alpharetta, Forsyth County, Georgia Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.86%
Estimate Property Tax Bill
$5,054
$4,690
How Does the Alpharetta Property Tax Calculator Work?
Use this Alpharetta property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Alpharetta's median effective tax rate of 0.86% — based on actual property records in Forsyth 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 Alpharetta'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 Alpharetta: rates range from $4,446.00 in 30004 to $5,904.00 in 30005, 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 Alpharetta.
About Alpharetta Property Taxes
About Property Taxes in Alpharetta, Forsyth, Georgia
Alpharetta’s median effective property tax rate of 0.86% is lower than the Georgia state median of 1.00% and lower than the national median of 1.02%. This rate reflects the Forsyth 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 Alpharetta. Homeowners in the 30004 ZIP code carry a median effective rate of 0.88%, while those in 30005 pay 0.84%. This spread — 0.04 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Forsyth County. Understanding which part of Alpharetta you live in can make a meaningful difference to your annual tax bill.
Alpharetta homeowners who believe their assessed value is too high can file a formal appeal with the Assessor's Office before June 1, 2026.
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 Alpharetta, Forsyth 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 Alpharetta'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 Alpharetta Tax Rate
0.86%
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 Forsyth County Tax Rate
0.85%
Median Effective Georgia Tax Rate
1.00%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Alpharetta, Forsyth County, Georgia
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 30004 | 0.23% | 0.80% | 0.88% | 0.98% | 0.98% |
| 30005 | 0.16% | 0.79% | 0.84% | 0.98% | 0.98% |
Source: Ownwell
Property Tax Assessment Values Across Alpharetta, Forsyth County, Georgia
When examining property taxes in Alpharetta, 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 Forsyth 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 Forsyth 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. The median home price in Alpharetta is $587,630, with tax bills ranging from $4,446 in 30004 to $5,904 in 30005. Alpharetta’s median tax bill of $4,794 is well above the national median property tax bill of $2,400.
Property Tax Assessment Values Across Alpharetta, Forsyth County, Georgia
Source: Ownwell
$383,820
$803,070
$1,222,320
Median Alpharetta Market Value
$587,630
Median Forsyth County Market Value
$567,955
Median Georgia Market Value
$280,310
Median United States Market Value
$235,294
Property Tax Assessment Values Across Alpharetta, Forsyth County, Georgia
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 30004 | $336,476 | $416,290 | $520,710 | $686,575 | $809,596 |
| 30005 | $533,460 | $617,110 | $699,560 | $806,940 | $894,550 |
Source: Ownwell
Property Tax Bills Across Alpharetta, Forsyth County, Georgia
Property tax bills in Alpharetta are calculated from a home’s assessed value, which is based on its market value, and the local tax rate set by Forsyth County and other taxing authorities. The assessed value is multiplied by the applicable millage rate to determine the annual tax bill, so a higher market value usually means a higher bill. Homeowners in Alpharetta should also know that exemptions can reduce the taxable value and lower what they owe.
With a median home price of $587,630, property taxes can be a significant part of homeownership costs. The typical tax bill in the area ranges from $3,623 at the 25th percentile to $6,310 at the 75th percentile, with the 90th percentile reaching $7,435. Across the city, median tax bills vary by ZIP code, from $4,446 in 30004 to $5,904 in 30005. Compared with the national median property tax bill of $2,400, Alpharetta homeowners often face much higher annual property taxes.
Median Alpharetta Tax Bill
$4,794
Median Forsyth County Tax Bill
$4,512
Median Georgia Tax Bill
$2,476
Median United States Tax Bill
$2,400
Property Tax Bills Across Alpharetta, Forsyth County, Georgia
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 30004 | $717 | $3,440 | $4,446 | $5,867 | $7,163 |
| 30005 | $1,099 | $4,670 | $5,904 | $6,916 | $7,813 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
| Tax Bill | |
| Issued | September 1 |
| Due Date #1 | September 15 |
| Due Date #2 | November 15 |
Links | |
|---|---|
| Forsyth Assessor's Office | |
| Phone | (770) 781-2106 |
| Website | qpublic.schneidercorp.com |
| boardofassessors@forsythco.com | |