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Single Family ResidenceResidential
$767,197$422 / 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 93How 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

21 MARLBORO DR

SOUTH DENNIS, MA 02660
4
Beds
2
Baths
1,820 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.
0.54 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$767K
$710K low$824K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,639 (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.$609,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$171,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$438,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$830,490

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.Colonial
CountyBARNSTABLE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1996
Lot (acres)The size of the land the home sits on, from county records.0.54
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.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Deck

Transaction History(5)

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.

H
Dennis Yarmouth Regional High SchoolD+
High · Grades 9–12 · 4.6 mi
E
Ezra H. Baker Innovation SchoolB-
Elementary · Grades PK–3 · 4.8 mi
M
Mattacheese Middle SchoolC-
Middle · Grades 6–8 · 6.4 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02660These 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.109
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 100.44

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.66%
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.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.6,640
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.686 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,630
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,792
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

21 Marlboro Dr 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 68% of homes in South Dennis 02660
  • Costs less per square foot than 75% of homes in South Dennis 02660
  • Bigger than 72% of homes in South Dennis 02660
  • Has a bigger lot than 80% of homes in South Dennis 02660

What homes are worth in South Dennis 02660

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

This home
$276K$1.9M

This home is worth more than 68% of homes in South Dennis 02660.

How it measures up in South Dennis 02660

The dot is this home. The mark in the middle is the typical home in South Dennis 02660.

Estimated value$767,197
CheaperTypical $629,458Pricier

Pricier than 68% of homes nearby

Price per ft²$422
CheaperTypical $473Pricier

Pricier than 25% of homes nearby

Living area1,820 ft²
SmallerTypical 1,399 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.54 ac
SmallerTypical 0.31 acBigger

Bigger than 80% of homes nearby

Year built1973
OlderTypical 1975Newer

Newer than 46% of homes nearby

How 21 Marlboro Dr ranks against every home in each area.
MeasureThis homeSouth Dennis 02660Barnstable County
Estimated valuepricier than$767,19768% of homes52% of homes
Price per ft²pricier than$42225% of homes27% of homes
Living areabigger than1,820 ft²72% of homes63% of homes
Lot sizebigger than0.54 ac80% of homes65% of homes
Year builtnewer than197346% of homes45% of homes

About 21 Marlboro Dr

How much is 21 Marlboro Dr, South Dennis, MA worth?

The TopHap Estimate for 21 Marlboro Dr, South Dennis, MA is $767,197 as of Sep 24, 2026. The likely range is $710,461 to $823,933. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Marlboro Dr, South Dennis, MA last sell?

21 Marlboro Dr, South Dennis, MA last sold on Apr 6, 2007, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Marlboro Dr, South Dennis, MA?

21 Marlboro Dr, South Dennis, MA has 4 bedrooms, 2 bathrooms, 1,820 square feet of living space and a 0.54-acre lot.

When was 21 Marlboro Dr, South Dennis, MA built?

21 Marlboro Dr, South Dennis, MA was built in 1973, making it 53 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Marlboro Dr, South Dennis, MA?

21 Marlboro Dr, South Dennis, MA is assigned to Dennis Yarmouth Regional High School (high), rated D+; Ezra H. Baker Innovation School (elementary), rated B-; Mattacheese Middle School (middle), rated C-. All sit in Dennis-Yarmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Marlboro Dr, South Dennis, MA compare to other homes in South Dennis 02660?

Among the 4,468 homes in South Dennis 02660, it is worth more than 68% of them ($767,197 against a typical $629,458), its price per square foot is higher than 25% of them ($422 against a typical $473), it is bigger than 72% of them (1,820 ft² against a typical 1,399 ft²), its lot is bigger than 80% of them (0.54 ac against a typical 0.31 ac) and it is newer than 46% of them (1973 against a typical 1975). Measured against all of Barnstable County, it is worth more than 52% 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 21 Marlboro Dr, South Dennis, MA?

The 2025 property tax bill for 21 Marlboro Dr, South Dennis, MA was $2,639. The county assessed it at $609,400.

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