Olney
Property Data

Montgomery County, Maryland

Explore accurate parcel and ownership records,
directly sourced from county assessors.

Total Properties

9,397

Average Home Price

$651,299

Average Square Feet

2,468

Price per Sq Ft

$290
Montgomery County

ZIP Codesby Total Properties

Loading map...
Total Properties
9,3979,397

DistributionTotal Properties

No data available

Property

Total Properties

9,397

Median Home Price

$661,000

Average Home Price

$651,299

Average Square Feet

2,468

Price per Sq Ft

$290

Recent Sales (12mo)

160

YoY Price Change

3.5%

Sales Velocity

-37.0%

Olney, MD housing and demographic statistics

ZIP/ZCTA areas can cross city and county boundaries. Each row describes its ZIP/ZCTA area, not the city as a whole. These values are not combined into a city estimate.

Individual ZIP/ZCTA estimates associated with Olney, MD
ZIP/ZCTAPopulationMedian household incomeMedian monthly gross rentOwner-occupied share
2083225,553$168,524$2,45386.9%

Source: U.S. Census Bureau American Community Survey (ACS), 2020–2024 five-year estimates, via Realie. Measurement period: –. Published by the Census Bureau on ; published by Realie on . These are five-year estimates, not a measurement of current conditions. — indicates unavailable or suppressed data.

Area property statistics

Recorded property characteristics and residential parcel-sale records for Olney, MD. Sale amounts describe recorded transfers, not asking prices or appraisals. Each measure uses records with that information available.

Sale records use the AVM's residential, amount, floor-area, year-built, price-per-area, deed, buyer-relationship and distress filters. Known multi-parcel deals are also excluded. Unknown package flags are not proof of a single-parcel sale. Counts represent eligible parcel sale records. Recorded annual averages require at least 10 eligible sales. Projections must have enough history and pass checks against earlier recorded sales. Recent sales can be underreported; different coverage between years can affect the changes.

City measurements cover the selected county's portion of the city.

Annual sales comparison

Calendar 2025 recorded sales versus calendar 2026 model projections. Both years cover January 1–December 31. Change compares the 2026 projection with the recorded 2025 value. Annual average amounts weight each month by its sales count; they are not monthly medians.

Calendar-year sales comparison
Metric20252026 projectedChange (%)
Residential sale records250Recorded217Model estimateRange: 194–234-13.2%
Average recorded sale amount$633,057Recorded——

Projections are not confirmed transactions or property valuations. Recent sales can be underreported; different coverage between years can affect the change. Unsupported values remain unavailable. Ranges reflect historical model errors, not confidence intervals. Annual comparison calculated . Assumed observation cutoff: June 2026; not verified completeness.

Recorded property statistics

Reported property statistics for Olney, MD
MeasureOlney, MDMontgomery County, MD
Median recorded sale amount$661,000$635,000
Recorded amount, 10th percentile$325,000$275,000
Recorded amount, 90th percentile$947,000$1,450,000
Average recorded floor area (sq ft)2,4682,376
Average recorded bedrooms3.63.6
Average recorded bathrooms2.82.7
Median year built19861979
Condominium share of properties9.8%16.2%

Olney, MD: Recorded median and percentile amounts: May 7, 2025–Oct 28, 2026.

County input file published Oct 24, 2026. Calculated . Published . Dataset last refreshed: .

Montgomery County, MD: Recorded median and percentile amounts: May 7, 2025–Oct 28, 2026.

County input file published Oct 24, 2026. Calculated . Published . Dataset last refreshed: .

Source: Realie property-record aggregates. Input publication and calculation dates do not establish complete transaction coverage. Missing measures are shown as — or omitted.

Other recent-period estimates

These use different periods from the calendar-year comparison. Estimates extend parcel-record counts and recorded amounts; they are not confirmed current transactions or individual-property values.

Parcel sale records
Oct 1, 2025–Sep 30, 2026
241
Model estimateHistorical error-adjusted range: 224–250.
Median sale amount
September 2026
$732,500
Model estimateHistorical error-adjusted range: $679,644–$800,324.
Median-amount change
September 2026 versus September 2025
+28.5%
Model estimateHistorical error-adjusted range: +19.2%–+40.4%.

Transaction coverage has not been verified. Known multi-parcel deals are excluded; missing package flags do not establish that every remaining sale covers one parcel. Amount change compares monthly record medians, not the appreciation of the same homes. Ranges reflect historical model errors; they are not confidence intervals and can exclude the point estimate. Assumed observation cutoff: June 2026; not a verified completeness date.

Properties in Olney

Showing page 152 of properties

4121 Danube Court

Olney, MD 20832

4121 Queen Mary Drive

Olney, MD 20832

4121 Sandcastle Lane

Olney, MD 20832

4121 Shallow Brook Lane

Olney, MD 20832

4121 Sir Walter Road

Olney, MD 20832

4122 Morningwood Drive

Olney, MD 20832

4124 Barnsley Lane

Olney, MD 20832

4124 Danube Court

Olney, MD 20832

4124 Mount Olney Lane

Olney, MD 20832

4124 Queen Mary Drive

Olney, MD 20832

4124 Sandcastle Lane

Olney, MD 20832

4124 Shallow Brook Lane

Olney, MD 20832

4124 Sir Walter Road

Olney, MD 20832

4125 Briars Road

Olney, MD 20832

4125 Danube Court

Olney, MD 20832

4125 Mount Olney Lane

Olney, MD 20832

4125 Queen Mary Drive

Olney, MD 20832

4125 Sandcastle Lane

Olney, MD 20832

4125 Shallow Brook Lane

Olney, MD 20832

4125 Sir Walter Road

Olney, MD 20832

4128 Danube Court

Olney, MD 20832

4128 Mount Olney Lane

Olney, MD 20832

4128 Sir Walter Road

Olney, MD 20832

4129 Briars Road

Olney, MD 20832

4129 Danube Court

Olney, MD 20832

4129 Mount Olney Lane

Olney, MD 20832

4132 Danube Court

Olney, MD 20832

4132 Mount Olney Lane

Olney, MD 20832

4133 Briars Road

Olney, MD 20832

4133 Danube Court

Olney, MD 20832

4133 Mount Olney Lane

Olney, MD 20832

4136 Danube Court

Olney, MD 20832

4136 Mount Olney Lane

Olney, MD 20832

4137 Danube Court

Olney, MD 20832

4140 Mount Olney Lane

Olney, MD 20832

4141 Danube Court

Olney, MD 20832

4141 Mount Olney Lane

Olney, MD 20832

4144 Mount Olney Lane

Olney, MD 20832

4148 Mount Olney Lane

Olney, MD 20832

4152 Mount Olney Lane

Olney, MD 20832

42 Castle Garden Court

Olney, MD 20832

4200 Briars Road

Olney, MD 20832

4200 Cherry Valley Drive

Olney, MD 20832

4200 Morningwood Drive

Olney, MD 20832

4200 Mount Olney Lane

Olney, MD 20832

4200 Olney Laytonsville Road

Olney, MD 20832

4200 Queen Mary Drive

Olney, MD 20832

4200 Sandcastle Lane

Olney, MD 20832

4200 Sir Walter Road

Olney, MD 20832

4200 Thorncroft Terrace

Olney, MD 20832

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