Threshold US · Maryland land

New-build home prices in 20615

St. Mary's County, MD · 156 recorded sales 2021-2026 · MD SDAT

Recorded home sales in ZIP 20615 (St. Mary's County) run a median of $269 per square foot, the ground pricing a new-build has to work against. The middle half of sales sit between $225 and $338/sq ft.

$269
median $/sq ft (2021-2026)
$362,500
median sale price
1,486
median home size (sq ft)
156
qualified sales analyzed

What new homes sell for in 20615

At the local median of $269/sq ft, a new home would price roughly:

1,500 sq ft$403,500
2,000 sq ft$538,000
2,500 sq ft$672,500
3,000 sq ft$807,000

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 typeSalesMedian $/sq ftMedian sizeMedian price
Single-family156$2691,486 sf$362,500

Recent sales in 20615

TypeSq ftSale price$/sq ftYr builtSold
Single-family4,607$2,500,000$54319933/2026
Single-family1,992$950,000$47719481/2026
Single-family1,710$580,000$33919872/2026
Single-family2,607$575,000$22120013/2026
Single-family1,832$539,900$29519741/2026
Single-family1,624$460,000$28319953/2026
Single-family1,472$399,000$27119613/2026
Single-family1,184$392,000$33119683/2026
Single-family980$140,000$14319892/2026
Single-family3,568$1,500,000$42020069/2025
Single-family4,693$1,310,000$27919978/2025
Single-family2,960$711,000$24020047/2025
Single-family3,108$695,000$22419683/2025
Single-family2,294$650,000$28319865/2025
Single-family2,034$610,000$30020003/2025

Appraising a site in 20615?

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Questions about 20615 home prices

What is the price per square foot in 20615?
Recent recorded home sales in ZIP 20615 (St. Mary's County, MD) run a median of $269 per square foot, with the middle half between $225 and $338, from 156 qualified sales in 2021-2026.
What does a home sell for in 20615?
The typical recorded sale in 20615 is a 1,486 sq ft home at $362,500. A new 1,486 sq ft home at the local $269/sq ft would price around $399,734.
Where does this 20615 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: 20685 · 20636 · 20676 · 20657 · 20629 · 20688 · 20678 · 20619
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.