Threshold US · Maryland land
New-build home prices in St. Mary's County
Across St. Mary's County, recorded home sales run a median of $208 per square foot (middle half $176-$252), from 6,564 qualified sales. The typical home is 1,842 sq ft selling at $382,500.
$208
median $/sq ft
$382,500
median sale price
1,842
median home size (sq ft)
6,564
qualified sales analyzed
$/sq ft by ZIP
20619$188/sf
1,702 sales
20634$185/sf
665 sales
20653$185/sf
466 sales
20659$254/sf
414 sales
20636$222/sf
406 sales
20656$209/sf
386 sales
20650$220/sf
376 sales
20612$257/sf
333 sales
20688$209/sf
290 sales
20620$205/sf
168 sales
20615$269/sf
156 sales
20660$232/sf
132 sales
20670$183/sf
127 sales
20667$200/sf
94 sales
20686$217/sf
83 sales
20690$222/sf
73 sales
20692$238/sf
71 sales
20661$270/sf
70 sales
20674$230/sf
66 sales
20609$234/sf
66 sales
20621$228/sf
54 sales
20625$208/sf
41 sales
20684$246/sf
39 sales
20618$230/sf
38 sales
20626$252/sf
38 sales
20680$213/sf
35 sales
20687$240/sf
27 sales
20606$279/sf
27 sales
20628$260/sf
26 sales
20624$215/sf
25 sales
By home type
| Home type | Sales | Median $/sq ft | Median size | Median price |
|---|---|---|---|---|
| Single-family | 5,125 | $218 | 1,884 sf | $409,000 |
| Townhouse | 1,245 | $175 | 1,848 sf | $324,900 |
| Condominium | 194 | $190 | 936 sf | $190,000 |
Recent sales across St. Mary's County
| Type | Sq ft | Sale price | $/sq ft | Yr built | Sold |
|---|---|---|---|---|---|
| Single-family | 3,910 | $1,900,000 | $486 | 1932 | 2/2026 |
| Single-family | 4,595 | $1,644,500 | $358 | 1988 | 4/2026 |
| Single-family | 3,116 | $1,100,000 | $353 | 1989 | 1/2026 |
| Single-family | 2,237 | $1,052,000 | $470 | 1988 | 3/2026 |
| Single-family | 4,476 | $1,050,000 | $235 | 1982 | 1/2026 |
| Single-family | 1,992 | $950,000 | $477 | 1948 | 1/2026 |
| Single-family | 2,943 | $925,000 | $314 | 2018 | 3/2026 |
| Single-family | 3,661 | $850,000 | $232 | 2007 | 4/2026 |
| Single-family | 4,366 | $835,000 | $191 | 1971 | 3/2026 |
| Single-family | 3,390 | $740,000 | $218 | 2013 | 1/2026 |
| Single-family | 2,801 | $724,000 | $259 | 2011 | 4/2026 |
| Single-family | 2,539 | $720,000 | $284 | 2009 | 2/2026 |
| Single-family | 2,169 | $705,000 | $325 | 2002 | 3/2026 |
| Single-family | 2,304 | $699,000 | $303 | 1980 | 4/2026 |
| Single-family | 3,430 | $690,000 | $201 | 2010 | 4/2026 |
Appraising a site in St. Mary's County?
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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.