Threshold US · Maryland land

New-build home prices in 20866

Montgomery County, MD · 945 recorded sales 2021-2026 · MD SDAT

Recorded home sales in ZIP 20866 (Montgomery County) run a median of $283 per square foot, the ground pricing a new-build has to work against. The middle half of sales sit between $239 and $322/sq ft.

$283
median $/sq ft (2021-2026)
$407,000
median sale price
1,368
median home size (sq ft)
945
qualified sales analyzed

What new homes sell for in 20866

At the local median of $283/sq ft, a new home would price roughly:

1,500 sq ft$424,500
2,000 sq ft$566,000
2,500 sq ft$707,500
3,000 sq ft$849,000

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-family680$2971,440 sf$450,000
Condominium255$2241,126 sf$305,000
Townhouse10$2582,200 sf$598,750

Recent sales in 20866

TypeSq ftSale price$/sq ftYr builtSold
Single-family6,398$1,400,000$21920054/2026
Single-family4,876$1,230,000$25219914/2026
Single-family3,916$982,500$25120014/2026
Single-family3,684$915,000$24820151/2026
Single-family2,636$900,000$34120012/2026
Single-family3,080$868,500$28220152/2026
Single-family3,382$839,900$24820163/2026
Single-family3,433$832,000$24220151/2026
Single-family3,837$808,000$21120172/2026
Single-family2,328$725,000$31119863/2026
Single-family1,540$669,747$43519513/2026
Single-family2,050$650,000$31719864/2026
Single-family1,768$629,900$35619852/2026
Single-family1,846$613,000$33219882/2026
Single-family3,746$600,000$16019461/2026

Appraising a site in 20866?

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Questions about 20866 home prices

What is the price per square foot in 20866?
Recent recorded home sales in ZIP 20866 (Montgomery County, MD) run a median of $283 per square foot, with the middle half between $239 and $322, from 945 qualified sales in 2021-2026.
What does a home sell for in 20866?
The typical recorded sale in 20866 is a 1,368 sq ft home at $407,000. A new 1,368 sq ft home at the local $283/sq ft would price around $387,144.
Where does this 20866 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 Montgomery County →
Nearby ZIPs: 20868 · 20707 · 20905 · 20759 · 20904 · 20723 · 20861 · 20705
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.