Roofs in DeKalb County, Georgia: home ages, storms and what to plan for
In DeKalb County, Georgia, about 75% of homes were built long enough ago that their original roofs would already be due, and the biggest group of houses dates to the 1970s.
When homes here were built
56% of homes are single-family detached houses and 58% of occupied homes are owner-occupied; the median owner-occupied home value is about $331,400.
Most homes here are old enough to be on a second or even third roof. That changes what matters at replacement time: decking that has been nailed through twice, flashing that may have been reused before, and attic ventilation that was never brought up to current practice. See roof decking and ventilation basics.
Storm exposure
Since October 14, 2020, radar estimates and National Weather Service reports show hail of three quarters of an inch or more on 21 days here, 5 of them at an inch or more. The largest estimate was 1.75 in on April 24, 2021, and the most recent was September 19, 2026. Hail this frequent is a good reason to look at impact-resistant shingles at replacement time: Class 4 shingles in Georgia.
Full storm history: 30002 · 30021 · 30030 · 30032 · 30033 · 30034 · 30035 · 30038 on the North Georgia Hail Map.
Cities: Atlanta, Avondale Estates, Clarkston, Conley, Decatur, Lithonia, Pine Lake, Scottdale, Stone Mountain, Tucker.