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TownhouseResidential
$859,009$329 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $276,000 on Oct 10, 1988

11402 DORCHESTER LN

ROCKVILLE, MD 20852
3 / 2
Baths
2,613 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.
2,012 ft²
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$859K
$818K low$900K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$276,000 · Oct 10, 1988

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,280 (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.$761,400 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$738,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$783,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.05
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 400 ft²

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

M
Tilden Middle SchoolA-
Middle · Grades 6–8 · 0.5 mi
H
Walter Johnson High SchoolA
High · Grades 9–12 · 1.3 mi
E
Garrett Park Elementary SchoolB+
Elementary · Grades KG–5 · 1.5 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20852These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
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.51,764
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,168 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,549
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,499
Average tempThe average temperature here across a full year.55°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%

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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

11402 Dorchester 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 72% of homes in Montgomery County
  • Costs less per square foot than 69% of homes in Rockville 20852
  • Bigger than 80% of homes in Rockville 20852
  • Has a smaller lot than 76% of homes in Montgomery County

What homes are worth in Rockville 20852

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

This home
$171K$1.7M

This home is worth more than 71% of homes in Rockville 20852.

How it measures up in Rockville 20852

The dot is this home. The mark in the middle is the typical home in Rockville 20852.

Estimated value$859,009
CheaperTypical $623,399Pricier

Pricier than 71% of homes nearby

Price per ft²$329
CheaperTypical $363Pricier

Pricier than 31% of homes nearby

Living area2,613 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 80% of homes nearby

Lot size2,012 ft²
SmallerTypical 2,004 ft²Bigger

Bigger than 50% of homes nearby

Year built1979
OlderTypical 1980Newer

Newer than 49% of homes nearby

How 11402 Dorchester Ln ranks against every home in each area.
MeasureThis homeRockville 20852Montgomery County
Estimated valuepricier than$859,00971% of homes72% of homes
Price per ft²pricier than$32931% of homes61% of homes
Living areabigger than2,613 ft²80% of homes70% of homes
Lot sizebigger than2,012 ft²50% of homes24% of homes
Year builtnewer than197949% of homes51% of homes

About 11402 Dorchester Ln

How much is 11402 Dorchester Ln, Rockville, MD worth?

The TopHap Estimate for 11402 Dorchester Ln, Rockville, MD is $859,009 as of Sep 24, 2026. The likely range is $817,939 to $900,079. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11402 Dorchester Ln, Rockville, MD last sell?

11402 Dorchester Ln, Rockville, MD last sold on Oct 10, 1988 for $276,000, according to the county's recorded deed.

How big is 11402 Dorchester Ln, Rockville, MD?

11402 Dorchester Ln, Rockville, MD has 3 bathrooms, 2,613 square feet of living space and a 0.05-acre lot.

When was 11402 Dorchester Ln, Rockville, MD built?

11402 Dorchester Ln, Rockville, MD was built in 1979, making it 47 years old. It is a townhouse home. The building has 2 stories.

What schools serve 11402 Dorchester Ln, Rockville, MD?

11402 Dorchester Ln, Rockville, MD is assigned to Tilden Middle School (middle), rated A-; Walter Johnson High School (high), rated A; Garrett Park Elementary School (elementary), rated B+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11402 Dorchester Ln, Rockville, MD compare to other homes in Rockville 20852?

Among the 13,874 homes in Rockville 20852, it is worth more than 71% of them ($859,009 against a typical $623,399), its price per square foot is higher than 31% of them ($329 against a typical $363), it is bigger than 80% of them (2,613 ft² against a typical 1,568 ft²), its lot is bigger than 50% of them (2,012 ft² against a typical 2,004 ft²) and it is newer than 49% of them (1979 against a typical 1980). Measured against all of Montgomery County, it is worth more than 72% 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 11402 Dorchester Ln, Rockville, MD?

The 2025 property tax bill for 11402 Dorchester Ln, Rockville, MD was $8,280. The county assessed it at $761,400.

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