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Single Family ResidenceResidential
$772,693$609 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

12 HENSON OAKS LN

ROCKVILLE, MD 20850
1
Baths
1,268 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1912
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$773K
$727K low$818K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,659 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$696,067 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$664,833
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$727,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.47
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 376 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Beall Elementary SchoolB
Elementary · Grades PK–5 · 0.3 mi
M
Julius West Middle SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Richard Montgomery High SchoolA-
High · Grades 9–12 · 1.0 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20850These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.51,693
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,703 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,425
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,183
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

12 Henson Oaks Ln measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 65% of homes in Montgomery County
  • Among the highest price per square foot in Rockville
  • Smaller than 82% of homes in Rockville 20850
  • Has a bigger lot than 98% of homes in Rockville
  • Among the oldest homes in Montgomery County

What homes are worth in Rockville 20850

Each bar is how many homes fall in that price range. The marker is this home.

This home
$173K$1.6M

This home is worth more than 52% of homes in Rockville 20850.

How it measures up in Rockville 20850

The dot is this home. The mark in the middle is the typical home in Rockville 20850.

Estimated value$772,693
CheaperTypical $753,435Pricier

Pricier than 52% of homes nearby

Price per ft²$609
CheaperTypical $342Pricier

Pricier than almost all homes nearby

Living area1,268 ft²
SmallerTypical 2,048 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.46 ac
SmallerTypical 4,225 ft²Bigger

Bigger than 93% of homes nearby

Year built1912
OlderTypical 1991Newer

Older than almost all homes nearby

How 12 Henson Oaks Ln ranks against every home in each area.
MeasureThis homeRockvilleRockville 20850Montgomery County
Estimated valuepricier than$772,69361% of homes52% of homes65% of homes
Price per ft²pricier than$609almost all homesalmost all homes97% of homes
Living areabigger than1,268 ft²20% of homes18% of homes19% of homes
Lot sizebigger than0.46 ac98% of homes93% of homes88% of homes
Year builtnewer than1912almost no homesalmost no homesalmost no homes

About 12 Henson Oaks Ln

How much is 12 Henson Oaks Ln, Rockville, MD worth?

The TopHap Estimate for 12 Henson Oaks Ln, Rockville, MD is $772,693 as of Aug 30, 2026. The likely range is $727,383 to $818,003. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Henson Oaks Ln, Rockville, MD last sell?

12 Henson Oaks Ln, Rockville, MD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12 Henson Oaks Ln, Rockville, MD?

12 Henson Oaks Ln, Rockville, MD has 1 bathrooms, 1,268 square feet of living space and a 0.47-acre lot.

When was 12 Henson Oaks Ln, Rockville, MD built?

12 Henson Oaks Ln, Rockville, MD was built in 1912, making it 114 years old. It is a bi-level home. The building has 2 stories.

What schools serve 12 Henson Oaks Ln, Rockville, MD?

12 Henson Oaks Ln, Rockville, MD is assigned to Beall Elementary School (elementary), rated B; Julius West Middle School (middle), rated A; Richard Montgomery High School (high), rated A-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Henson Oaks Ln, Rockville, MD compare to other homes in Rockville 20850?

Among the 14,094 homes in Rockville 20850, it is worth more than 52% of them ($772,693 against a typical $753,435), its price per square foot is higher than almost all of them ($609 against a typical $342), it is bigger than 18% of them (1,268 ft² against a typical 2,048 ft²), its lot is bigger than 93% of them (0.46 ac against a typical 4,225 ft²) and it is newer than almost none of them (1912 against a typical 1991). Measured against all of Montgomery County, it is worth more than 65% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12 Henson Oaks Ln, Rockville, MD?

The 2025 property tax bill for 12 Henson Oaks Ln, Rockville, MD was $9,659. The county assessed it at $696,067.

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