There are thousands of properties with Decatur mailing addresses that are actually located outside of Decatur’s city limits in unincorporated DeKalb County. Properties in unincorporated DeKalb County do not receive services from the City of Decatur and are not subject to city taxes. About 99 percent of residences in Decatur’s city limits have a ZIP code of 30030, and about 90 percent of properties in Decatur have 3-digit street numbers. If you have a ZIP code other than 30030, or a 4-digit street number, there’s a fair chance that you’re not actually in the city. You can look at a map here, or search for the property on the DeKalb County tax commissioner’s website to confirm whether you are within city limits. If the property is in tax district 4, it’s in unincorporated DeKalb County. Tax district 92 is Decatur.
