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TownhouseResidential
$372,136$351 / 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 $374,900 on May 21, 2026

10840 SIR BARTON CIR

DAMASCUS, MD 20872
2 / 2
Baths
1,060 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.
1,600 ft²
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$372K
$354K low$390K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$374,900 · May 21, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,075 (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.$295,067 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$289,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,800

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.0.04
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Lois P. Rockwell Elementary SchoolB-
Elementary · Grades PK–5 · 0.5 mi
M
John T. Baker Middle SchoolB
Middle · Grades 6–8 · 1.4 mi
H
Damascus High SchoolA-
High · Grades 9–12 · 2.0 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20872These 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.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.13,660
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.665 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,370
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,374
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

10840 Sir Barton Cir 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 less than 84% of homes in Montgomery County
  • Costs more per square foot than 93% of homes in Damascus 20872
  • Smaller than 93% of homes in Damascus 20872
  • Has a smaller lot than 89% of homes in Damascus 20872
  • Newer than 71% of homes in Montgomery County

What homes are worth in Damascus 20872

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

This home
$235K$1M

This home is worth more than 17% of homes in Damascus 20872.

How it measures up in Damascus 20872

The dot is this home. The mark in the middle is the typical home in Damascus 20872.

Estimated value$372,136
CheaperTypical $540,418Pricier

Pricier than 17% of homes nearby

Price per ft²$351
CheaperTypical $257Pricier

Pricier than 93% of homes nearby

Living area1,060 ft²
SmallerTypical 2,028 ft²Bigger

Bigger than 7% of homes nearby

Lot size1,600 ft²
SmallerTypical 0.37 acBigger

Bigger than 11% of homes nearby

Year built1988
OlderTypical 1983Newer

Newer than 70% of homes nearby

How 10840 Sir Barton Cir ranks against every home in each area.
MeasureThis homeDamascus 20872Montgomery County
Estimated valuepricier than$372,13617% of homes16% of homes
Price per ft²pricier than$35193% of homes69% of homes
Living areabigger than1,060 ft²7% of homes10% of homes
Lot sizebigger than1,600 ft²11% of homes15% of homes
Year builtnewer than198870% of homes71% of homes

About 10840 Sir Barton Cir

How much is 10840 Sir Barton Cir, Damascus, MD worth?

The TopHap Estimate for 10840 Sir Barton Cir, Damascus, MD is $372,136 as of Sep 24, 2026. The likely range is $354,231 to $390,041. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10840 Sir Barton Cir, Damascus, MD last sell?

10840 Sir Barton Cir, Damascus, MD last sold on May 21, 2026 for $374,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 10840 Sir Barton Cir, Damascus, MD?

10840 Sir Barton Cir, Damascus, MD has 2 bathrooms, 1,060 square feet of living space and a 0.04-acre lot.

When was 10840 Sir Barton Cir, Damascus, MD built?

10840 Sir Barton Cir, Damascus, MD was built in 1988, making it 38 years old. It is a townhouse home. The building has 2 stories.

What schools serve 10840 Sir Barton Cir, Damascus, MD?

10840 Sir Barton Cir, Damascus, MD is assigned to Lois P. Rockwell Elementary School (elementary), rated B-; John T. Baker Middle School (middle), rated B; Damascus 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 10840 Sir Barton Cir, Damascus, MD compare to other homes in Damascus 20872?

Among the 4,362 homes in Damascus 20872, it is worth more than 17% of them ($372,136 against a typical $540,418), its price per square foot is higher than 93% of them ($351 against a typical $257), it is bigger than 7% of them (1,060 ft² against a typical 2,028 ft²), its lot is bigger than 11% of them (1,600 ft² against a typical 0.37 ac) and it is newer than 70% of them (1988 against a typical 1983). Measured against all of Montgomery County, it is worth more than 16% 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 10840 Sir Barton Cir, Damascus, MD?

The 2025 property tax bill for 10840 Sir Barton Cir, Damascus, MD was $3,075. The county assessed it at $295,067.

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