What $400K Buys in DeKalb County, GA
A $400K budget buys a very different house depending on which DeKalb County city you point it at. This page compares every city with at least five active listings within 10% of $400K — size, age, bed and bath count, price per square foot, how much of the inventory is new construction and how long it has been sitting — from today’s live MLS actives, and lists the communities with the most homes at that price. It refreshes every night.
There are 257 homes for sale in DeKalb County, GA priced between $360,000 and $440,000 right now. At $400K, the typical home is 1,940 sq ft, built 1989, at $202/sq ft; 17% of them are new construction and the median has been on the market 31 days. The most house for the money is in Lithonia (2,582 sq ft median); the least in Atlanta (1,435 sq ft); the newest in Scottdale (median build year 2022).
What $400K buys, city by city
| City | Homes for sale | Median sq ft | Beds / baths | Median year built | $ / sq ft | New construction | Median DOM |
|---|---|---|---|---|---|---|---|
| Decatur | 93 | 1,929 | 3 / 2.5 | 1972 | $206 | 19% | 21 |
| Atlanta | 66 | 1,435 | 3 / 2 | 1978 | $276 | 11% | 49 |
| Stone Mountain | 31 | 2,512 | 4 / 3 | 1989 | $158 | 6% | 28 |
| Lithonia | 26 | 2,582 | 4 / 3 | 2020 | $154 | 38% | 42 |
| Tucker | 16 | 1,963 | 3 / 2.5 | 1970 | $197 | 6% | 29 |
| Scottdale | 5 | 2,000 | 3 / 3.5 | 2022 | $184 | 0% | 59 |
| Brookhaven | 5 | 1,694 | 3 / 2 | 2002 | $228 | 0% | 49 |
By ZIP code: where $400K goes furthest
The same budget by ZIP — useful where one city covers most of the county.
| ZIP | Homes for sale | Median sq ft | Median year built | $ / sq ft | New construction |
|---|---|---|---|---|---|
| 30032 Decatur | 45 | 1,912 | 1963 | $208 | 20% |
| 30316 Atlanta | 34 | 1,465 | 1961 | $269 | 15% |
| 30033 Decatur | 19 | 1,427 | 1959 | $287 | 0% |
| 30058 Lithonia | 19 | 2,353 | 2024 | $162 | 47% |
| 30034 Decatur | 18 | 2,103 | 2018 | $178 | 44% |
| 30083 Stone Mountain | 17 | 2,468 | 1984 | $167 | 6% |
| 30084 Tucker | 16 | 1,963 | 1970 | $197 | 6% |
| 30317 Atlanta | 11 | 1,449 | 2021 | $276 | 18% |
| 30087 Stone Mountain | 11 | 2,450 | 1994 | $149 | 9% |
| 30038 Lithonia | 8 | 3,137 | 2010 | $129 | 12% |
| 30329 Atlanta | 6 | 1,944 | 1978 | $200 | 0% |
| 30030 Decatur | 6 | 1,452 | 1971 | $275 | 17% |
Communities with the most homes near $400K
| Community | City | Homes for sale near $400K | Median sq ft | Median year built |
|---|---|---|---|---|
| East Atlanta | Atlanta | 8 | 1,307 | 1951 |
| Porter Reserve | Decatur | 8 | 1,912 | 2026 |
| Harvest Park | Suwanee | 8 | 1,940 | 2026 |
| Champions Run | Lithonia | 6 | 1,974 | 2026 |
| Mountain Oaks | Stone Mountain | 6 | 2,415 | 1995 |
| Array | Atlanta | 5 | 0 | 2026 |
| Medlock Park | Decatur | 5 | 1,135 | 1953 |
| East Lake Terrace | Decatur | 5 | 1,671 | 1950 |
| Valley Brook Estates | Decatur | 3 | 1,980 | 1955 |
| Cedar Grove Commons | Conley | 3 | 2,837 | 2026 |
| Paintbox | Atlanta | 3 | 1,168 | 2021 |
| Enclave at Ashbrooke | Stone Mountain | 3 | 1,877 | 2020 |
| Miller Woods | Decatur | 3 | 3,828 | 2006 |
| Dearborn Park | Atlanta | 2 | 1,379 | 1951 |
| Dunaire | Decatur | 2 | 2,600 | 1972 |
How to read this
Counts and medians are computed from active MLS listings priced within 10% of $400K ($360,000–$440,000) as of September 15, 2026; property mix at this price: Single-family 69%, Townhouse 25%, Condo 7%. Cities with fewer than five listings in the band are folded out of the city table but still count in the county total. Prices are asking prices, not closings — see the county page for sale-to-list ratios. Source: live MLS feeds compiled by Momentum Research. Other budgets in DeKalb County: $300K, $500K, $750K, $1M. Back to homes for sale in DeKalb County, GA.