Threshold US · Maryland land

New-build home prices in 21791

Carroll County, MD · 159 recorded sales 2021-2026 · MD SDAT

Recorded home sales in ZIP 21791 (Carroll County) run a median of $218 per square foot, the ground pricing a new-build has to work against. The middle half of sales sit between $168 and $270/sq ft.

$218
median $/sq ft (2021-2026)
$325,000
median sale price
1,534
median home size (sq ft)
159
qualified sales analyzed

What new homes sell for in 21791

At the local median of $218/sq ft, a new home would price roughly:

1,500 sq ft$327,000
2,000 sq ft$436,000
2,500 sq ft$545,000
3,000 sq ft$654,000

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-family159$2181,534 sf$325,000

Recent sales in 21791

TypeSq ftSale price$/sq ftYr builtSold
Single-family1,560$380,000$24419852/2026
Single-family1,248$340,000$27219534/2026
Single-family1,464$285,900$19519534/2026
Single-family1,260$276,500$21919763/2026
Single-family1,328$265,000$20019001/2026
Single-family2,220$260,000$11718801/2026
Single-family1,332$208,500$15718751/2026
Single-family2,068$1,075,000$520197711/2025
Single-family2,684$935,000$34819983/2025
Single-family3,284$725,000$22120237/2025
Single-family2,112$685,000$324202312/2025
Single-family3,280$594,500$18119208/2025
Single-family1,040$400,000$385197111/2025
Single-family2,176$388,000$17818504/2025
Single-family1,392$385,000$27719676/2025

Appraising a site in 21791?

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 21791 home prices

What is the price per square foot in 21791?
Recent recorded home sales in ZIP 21791 (Carroll County, MD) run a median of $218 per square foot, with the middle half between $168 and $270, from 159 qualified sales in 2021-2026.
What does a home sell for in 21791?
The typical recorded sale in 21791 is a 1,534 sq ft home at $325,000. A new 1,534 sq ft home at the local $218/sq ft would price around $334,412.
Where does this 21791 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 Carroll County →
Nearby ZIPs: 21762 · 21776 · 21757 · 21798 · 21793 · 21778 · 21774 · 21771
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.