Welcome to the Cobb County Board of Tax Assessors Website

The Tax Assessors Office has resumed full operational status with normal business hours.  We would like to remind everyone that most of the documents, forms and information we utilize are available on this website. If you cannot find what you need, please feel free to contact us.

The best way to contact us at this time is by calling 770-528-3100 or emailing cobbtaxassessor@cobbcounty.org.
The mission of the Cobb County Board of Assessors is to produce an annual tax digest that conforms to the requirements of Georgia Law and the rules and regulations of the Georgia Department of Revenue.
Our office strives every day to be fair and equitable to the taxpayers of Cobb County while providing excellent customer service.

 The Board of Tax Assessors, an independent body appointed by the Board of Commissioners, is responsible for placing a fair and equalized value on all taxable property.

 The Board of Commissioners sets the millage rate.

 The billing and collection of taxes is the responsibility of the Tax Commissioner.

 Jan. 1 of each year is the assessment date in Georgia. Accordingly, all property must be valued for ad valorem taxes based on its condition and use as of Jan.1.


2023 Online Appeals

Once your notice is mailed, you have 45 days in which to file your appeal. If you wish to do so, we offer the option to file your property tax appeal online. Please follow the link below for more information and to get the process started.

If you wish to file an Appeal, start here: Appeal Information


Watch the following CobbTV videos for more information.


Cobb County Facts

Cobb county is a Metro Atlanta community that serves as home to more than 740,000 people and is one of the top 20 most affordable metro areas in the United States.
It includes major historic sites, cultural landmarks and economic centers, drawing businesses and visitors from throughout the world. There are seven colleges and universities located in Cobb County. The U.S. Census Bureau ranks Cobb County as the most-educated in the state of Georgia and 12th among all counties in the U.S.

Cobb county, created in 1832, was the 81st county in Georgia. It was named for Judge Thomas Willis Cobb, who served as a U.S. Senator, State Representative and
Superior Court Judge. The county seat of Marietta was named for Judge Cobb’s wife, Mary.