Threshold US · Maryland land
New-build home prices in Carroll County
Across Carroll County, recorded home sales run a median of $252 per square foot (middle half $213-$302), from 8,908 qualified sales. The typical home is 1,768 sq ft selling at $449,900.
$252
median $/sq ft
$449,900
median sale price
1,768
median home size (sq ft)
8,908
qualified sales analyzed
$/sq ft by ZIP
21157$237/sf
2,043 sales
21784$290/sf
1,725 sales
21771$278/sf
1,200 sales
21787$202/sf
926 sales
21074$241/sf
811 sales
21048$268/sf
726 sales
21776$245/sf
643 sales
21104$290/sf
432 sales
21102$246/sf
401 sales
21158$257/sf
389 sales
21791$218/sf
159 sales
21757$222/sf
57 sales
By home type
| Home type | Sales | Median $/sq ft | Median size | Median price |
|---|---|---|---|---|
| Single-family | 8,670 | $253 | 1,764 sf | $450,000 |
| Condominium | 238 | $232 | 1,856 sf | $417,000 |
Recent sales across Carroll County
| Type | Sq ft | Sale price | $/sq ft | Yr built | Sold |
|---|---|---|---|---|---|
| Single-family | 4,966 | $1,650,000 | $332 | 2025 | 4/2026 |
| Single-family | 6,953 | $1,600,000 | $230 | 2006 | 1/2026 |
| Single-family | 4,546 | $1,449,000 | $319 | 2022 | 4/2026 |
| Single-family | 4,460 | $1,400,000 | $314 | 1920 | 3/2026 |
| Single-family | 5,096 | $1,250,000 | $245 | 2022 | 3/2026 |
| Single-family | 3,751 | $1,200,000 | $320 | 1999 | 4/2026 |
| Single-family | 4,786 | $1,150,000 | $240 | 2002 | 3/2026 |
| Single-family | 4,548 | $1,140,000 | $251 | 2002 | 3/2026 |
| Single-family | 4,692 | $1,108,300 | $236 | 1998 | 2/2026 |
| Single-family | 3,053 | $1,079,414 | $354 | 2025 | 2/2026 |
| Single-family | 5,398 | $1,065,000 | $197 | 2003 | 3/2026 |
| Single-family | 3,983 | $1,000,000 | $251 | 2004 | 3/2026 |
| Single-family | 3,596 | $970,000 | $270 | 2022 | 4/2026 |
| Single-family | 3,495 | $960,000 | $275 | 2002 | 4/2026 |
| Single-family | 3,494 | $950,000 | $272 | 2000 | 1/2026 |
Appraising a site in Carroll County?
Threshold US Land turns these comparables into an achievable new-build price and the maximum land bid that hits your margin. Reserve founding access for Maryland.
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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. $/sq ft is sale price over heated living area. Estimates for site screening, not a USPAP appraisal. Updated July 2026.