New-build home prices in 20628
Recorded home sales in ZIP 20628 (St. Mary's County) run a median of $260 per square foot, the ground pricing a new-build has to work against. The middle half of sales sit between $187 and $283/sq ft.
What new homes sell for in 20628
At the local median of $260/sq ft, a new home would price roughly:
| 1,500 sq ft | $390,000 |
| 2,000 sq ft | $520,000 |
| 2,500 sq ft | $650,000 |
| 3,000 sq ft | $780,000 |
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 | 26 | $260 | 1,779 sf | $442,500 |
Recent sales in 20628
| Type | Sq ft | Sale price | $/sq ft | Yr built | Sold |
|---|---|---|---|---|---|
| Single-family | 1,806 | $490,000 | $271 | 2011 | 2/2026 |
| Single-family | 1,680 | $440,000 | $262 | 1990 | 4/2026 |
| Single-family | 3,030 | $565,000 | $187 | 2004 | 8/2025 |
| Single-family | 960 | $340,000 | $354 | 2023 | 6/2025 |
| Single-family | 2,434 | $629,040 | $258 | 2024 | 9/2024 |
| Single-family | 1,144 | $343,400 | $300 | 1971 | 8/2024 |
| Single-family | 1,721 | $650,000 | $378 | 1974 | 11/2023 |
| Single-family | 2,560 | $420,000 | $164 | 2006 | 12/2023 |
| Single-family | 2,052 | $405,000 | $197 | 1999 | 6/2023 |
| Single-family | 1,056 | $293,000 | $278 | 1993 | 8/2023 |
| Single-family | 4,108 | $622,000 | $151 | 1985 | 3/2022 |
| Single-family | 1,751 | $540,000 | $308 | 1975 | 10/2022 |
| Single-family | 3,072 | $510,000 | $166 | 1994 | 10/2022 |
| Single-family | 2,329 | $460,000 | $198 | 1953 | 6/2022 |
| Single-family | 2,178 | $450,000 | $207 | 2013 | 5/2022 |
Appraising a site in 20628?
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 20628 home prices
- What is the price per square foot in 20628?
- Recent recorded home sales in ZIP 20628 (St. Mary's County, MD) run a median of $260 per square foot, with the middle half between $187 and $283, from 26 qualified sales in 2021-2026.
- What does a home sell for in 20628?
- The typical recorded sale in 20628 is a 1,779 sq ft home at $442,500. A new 1,779 sq ft home at the local $260/sq ft would price around $462,540.
- Where does this 20628 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 St. Mary's County →
Nearby ZIPs: 20680 · 20684 · 20686 · 20687 · 20667 · 20653 · 20692 · 20670
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.