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 252 homes for sale in DeKalb County, GA priced between $360,000 and $440,000 right now. At $400K, the typical home is 1,877 sq ft, built 1986, at $210/sq ft; 15% of them are new construction and the median has been on the market 25 days. The most house for the money is in Lithonia (2,774 sq ft median); the least in Atlanta (1,442 sq ft); the newest in Ellenwood (median build year 2026).
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 | 85 | 1,884 | 3 / 2.5 | 1967 | $218 | 19% | 26 |
| Atlanta | 59 | 1,442 | 3 / 2 | 1982 | $274 | 14% | 25 |
| Stone Mountain | 27 | 2,432 | 4 / 3 | 1996 | $160 | 4% | 47 |
| Lithonia | 26 | 2,774 | 4 / 3 | 2013 | $150 | 23% | 15 |
| Tucker | 22 | 1,919 | 3 / 2 | 1965 | $207 | 5% | 35 |
| Ellenwood | 6 | 2,406 | 4 / 3.5 | 2026 | $164 | 67% | 14 |
| Clarkston | 6 | 1,923 | 3 / 2.5 | 1968 | $202 | 0% | 26 |
| Scottdale | 6 | 1,827 | 3 / 3 | 2014 | $221 | 17% | 23 |
| Brookhaven | 5 | 1,546 | 3 / 2 | 2002 | $249 | 0% | 26 |
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 | 41 | 1,912 | 1962 | $218 | 24% |
| 30316 Atlanta | 30 | 1,527 | 1963 | $249 | 20% |
| 30084 Tucker | 22 | 1,919 | 1965 | $207 | 5% |
| 30058 Lithonia | 19 | 2,480 | 2017 | $154 | 32% |
| 30033 Decatur | 15 | 1,353 | 1959 | $285 | 0% |
| 30083 Stone Mountain | 15 | 2,342 | 1987 | $167 | 7% |
| 30034 Decatur | 14 | 2,728 | 2005 | $135 | 43% |
| 30030 Decatur | 13 | 1,578 | 1973 | $266 | 0% |
| 30038 Lithonia | 9 | 3,137 | 2008 | $128 | 0% |
| 30087 Stone Mountain | 9 | 2,464 | 1997 | $151 | 0% |
| 30317 Atlanta | 7 | 1,449 | 2022 | $276 | 29% |
| 30294 Ellenwood | 6 | 2,406 | 2026 | $164 | 67% |
Communities with the most homes near $400K
| Community | City | Homes for sale near $400K | Median sq ft | Median year built |
|---|---|---|---|---|
| Porter Reserve | Decatur | 9 | 1,912 | 2026 |
| East Atlanta | Atlanta | 6 | 1,367 | 1949 |
| Harvest Park | Suwanee | 6 | 1,943 | 2026 |
| Array | Atlanta | 6 | 989 | 2026 |
| Mountain Oaks | Stone Mountain | 6 | 2,432 | 1995 |
| Barons Court | Ellenwood | 4 | 2,201 | 2026 |
| Enclave at Ashbrooke | Stone Mountain | 4 | 1,876 | 2020 |
| Valley Brook Estates | Decatur | 3 | 1,375 | 1956 |
| Champions Run | Lithonia | 3 | 1,774 | 2026 |
| Medlock Park | Decatur | 3 | 1,135 | 1953 |
| East Lake Terrace | Decatur | 3 | 1,671 | 1949 |
| Clark Estates | Clarkston | 3 | 2,267 | 1966 |
| Flat Rock Hills | Lithonia | 3 | 2,780 | 2023 |
| Carlyle Park | Atlanta | 2 | 1,118 | 2004 |
| Sterling of Dunwoody | Atlanta | 2 | 1,457 | 2006 |
How to read this
Counts and medians are computed from active MLS listings priced within 10% of $400K ($360,000–$440,000) as of October 24, 2026; property mix at this price: Single-family 70%, Townhouse 23%, 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.