What is the property tax rate in Marietta, GA?

Marietta has an estimated effective property tax rate of 0.62%. On a median home valued at $401,100, homeowners pay approximately $2,477 per year in property taxes.

How does Marietta compare to Cobb County?

Marietta's effective rate of 0.62% is 7% lower than the Cobb County average of 0.67%. The county-wide median annual tax is $2,720, while Marietta homeowners pay an estimated $2,477.

How much are property taxes in Marietta on a $300,000 home?

Based on Marietta's effective rate of 0.62%, property taxes on a $300,000 home would be approximately $1,860 per year, or about $155 per month.

Marietta Property Tax Rate

Cobb County, Georgia

0.62%effective rate

Marietta is located in Cobb County, Georgia. Homeowners in Marietta pay a median of $2,477 per year in property taxes on a home valued at $401,100, resulting in an effective tax rate of 0.62%. This is 7% lower than the Cobb County average of 0.67%.

Effective Tax Rate🏠

0.62%

vs 0.67% county avg

Est. Annual Tax💰

$2,477

Per year

Median Home Value📊

$401,100

2024 estimate

Population📍

61,773

Marietta, GA

How Marietta Compares

Marietta

0.62%

Cobb County Average

0.67%

Georgia Average

0.77%

National Average

0.92%

Cities in Cobb County

Compare property tax rates for 4 cities in Cobb County, Georgia.

City	Population	Annual Tax	Rate
Kennesaw	33,627	$2,400	0.82%
Smyrna	56,285	$3,323	0.81%
Mableton	42,403	$2,090	0.68%
Marietta	61,773	$2,477	0.62%

About Property Taxes in Marietta

Property taxes in Marietta are collected by Cobb County. Tax exemptions available to Cobb County residents — including homestead, senior, and disability exemptions — also apply to homeowners in Marietta. For detailed information on available exemptions and the county tax collector, see the Cobb County property tax page.

Property Tax Calculator

Estimate your annual property tax in Marietta

Home Value

$50k$2M

Apply homestead exemption ($100,000 school tax reduction)

Estimated Annual Property Tax

$1,860

$155/month · Rate: 0.62%

Cobb County Property Taxes

County-level data, exemptions, historical trends, and tax collector info.

View county details →

Georgia Property Taxes

Statewide rates, all 158 counties, and exemptions.

View state details →

Think your property tax is too high?

Homeowners save an average of $1,148/year by appealing their assessment.

Learn How to Appeal →

Frequently Asked Questions

Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. City-level tax data is derived from Census place-level statistics. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.