Posted by CHCA board member Tim Bryson, May 2006. Updated and Revised September 2010.
To see the map for your street (together with owner, property, sales history, and tax information for each lot), go to this site  and enter your address or use the map index below:
Here are links to the maps:
In case you have trouble understanding all the numbers , you might find helpful the following response from the county to my own questions. Much to my surprise and delight, the county tax assessor office responded quickly and helpfully.
Mr. Bryson Please forgive my delay in responding to your inquiry. re: http://web.co.dekalb.ga.us/PropertyAppraisal/maps/18060.pdf 
User Liaison Coordinator
Dekalb Property Appraisal Dept.
120 West Trinity Place, Room 208
Decatur, GA 30030
|AssessorMapindex.gif ||71.84 KB|