New-build home prices in 21128
Recorded home sales in ZIP 21128 (Baltimore County) run a median of $220 per square foot, the ground pricing a new-build has to work against. The middle half of sales sit between $195 and $252/sq ft.
What new homes sell for in 21128
At the local median of $220/sq ft, a new home would price roughly:
| 1,500 sq ft | $330,000 |
| 2,000 sq ft | $440,000 |
| 2,500 sq ft | $550,000 |
| 3,000 sq ft | $660,000 |
A gross sale price. The land bid it supports comes after build cost, contingency, fees, finance and profit — the residual the Threshold tool solves.
By home type
| Home type | Sales | Median $/sq ft | Median size | Median price |
|---|---|---|---|---|
| Single-family | 876 | $235 | 1,798 sf | $425,000 |
| Condominium | 481 | $205 | 1,592 sf | $315,000 |
Recent sales in 21128
| Type | Sq ft | Sale price | $/sq ft | Yr built | Sold |
|---|---|---|---|---|---|
| Single-family | 4,292 | $860,000 | $200 | 2007 | 3/2026 |
| Single-family | 3,040 | $785,000 | $258 | 2014 | 3/2026 |
| Single-family | 4,348 | $770,000 | $177 | 2007 | 1/2026 |
| Single-family | 3,342 | $735,000 | $220 | 2007 | 4/2026 |
| Single-family | 3,200 | $735,000 | $230 | 2007 | 4/2026 |
| Single-family | 2,642 | $715,000 | $271 | 2004 | 3/2026 |
| Single-family | 2,968 | $710,000 | $239 | 2007 | 2/2026 |
| Single-family | 2,156 | $699,900 | $325 | 1960 | 2/2026 |
| Single-family | 2,508 | $685,000 | $273 | 2021 | 2/2026 |
| Single-family | 1,344 | $675,000 | $502 | 1986 | 4/2026 |
| Single-family | 2,750 | $675,000 | $246 | 1998 | 3/2026 |
| Single-family | 2,972 | $675,000 | $227 | 2001 | 1/2026 |
| Single-family | 2,153 | $668,250 | $310 | 1956 | 1/2026 |
| Single-family | 2,876 | $626,000 | $218 | 1995 | 4/2026 |
| Single-family | 2,332 | $610,000 | $262 | 2000 | 3/2026 |
Appraising a site in 21128?
Drop a pin and Threshold US Land turns these comparables into an achievable new-build price and the maximum land bid that still hits your margin — in under 60 seconds.
Reserve founding access →Questions about 21128 home prices
- What is the price per square foot in 21128?
- Recent recorded home sales in ZIP 21128 (Baltimore County, MD) run a median of $220 per square foot, with the middle half between $195 and $252, from 1,357 qualified sales in 2021-2026.
- What does a home sell for in 21128?
- The typical recorded sale in 21128 is a 1,664 sq ft home at $385,000. A new 1,664 sq ft home at the local $220/sq ft would price around $366,080.
- Where does this 21128 data come from?
- Maryland Department of Planning parcel data derived from the State Department of Assessments and Taxation (SDAT) property records. Qualified residential sales from 2021. Estimates for site screening, not an appraisal.
All of Baltimore County →
Nearby ZIPs: 21236 · 21162 · 21156 · 21087 · 21234 · 21057 · 21051 · 21237
Maryland land hub
Method: improved arms-length residential sales with recorded structure square footage (2021+) from Maryland Department of Planning parcel data derived from the State Department of Assessments and Taxation (SDAT) property records, assigned to nearest ZIP centroid. $/sq ft is sale price over heated living area. Estimates for site screening, not a USPAP appraisal. Updated July 2026.