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Single Family ResidenceResidential
$536,313$466 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21 GREENVILLE DR

FORESTDALE, MA 02644
3
Beds
1.5
Baths
1,152 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.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$536K
$488K low$584K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,965 (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.$375,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$146,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$228,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$476,520

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Cape Cod
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.46
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.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Forestdale School
Elementary · Grades PK–2 · 0.5 mi
M
Sandwich Middle High SchoolC+
Middle · Grades 7–12 · 3.1 mi

District: Sandwich School District

Neighborhood · ZIP 02644These 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.16
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 100.56

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.4,231
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.438 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,281
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,545
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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 Greenville 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 less than 83% of homes in Barnstable County
  • Costs more per square foot than 80% of homes in Forestdale 02644
  • Smaller than 82% of homes in Forestdale 02644
  • Older than 72% of homes in Forestdale 02644

What homes are worth in Forestdale 02644

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

This home
$382K$1.1M

This home is worth more than 21% of homes in Forestdale 02644.

How it measures up in Forestdale 02644

The dot is this home. The mark in the middle is the typical home in Forestdale 02644.

Estimated value$536,313
CheaperTypical $639,905Pricier

Pricier than 21% of homes nearby

Price per ft²$466
CheaperTypical $395Pricier

Pricier than 80% of homes nearby

Living area1,152 ft²
SmallerTypical 1,642 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.46 ac
SmallerTypical 0.48 acBigger

Bigger than 41% of homes nearby

Year built1977
OlderTypical 1986Newer

Newer than 28% of homes nearby

How 21 Greenville Dr ranks against every home in each area.
MeasureThis homeForestdale 02644Barnstable County
Estimated valuepricier than$536,31321% of homes17% of homes
Price per ft²pricier than$46680% of homes38% of homes
Living areabigger than1,152 ft²18% of homes25% of homes
Lot sizebigger than0.46 ac41% of homes55% of homes
Year builtnewer than197728% of homes52% of homes

About 21 Greenville Dr

How much is 21 Greenville Dr, Forestdale, MA worth?

The TopHap Estimate for 21 Greenville Dr, Forestdale, MA is $536,313 as of Jul 14, 2026. The likely range is $488,377 to $584,249. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Greenville Dr, Forestdale, MA last sell?

21 Greenville Dr, Forestdale, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Greenville Dr, Forestdale, MA?

21 Greenville Dr, Forestdale, MA has 3 bedrooms, 1.5 bathrooms, 1,152 square feet of living space and a 0.46-acre lot.

When was 21 Greenville Dr, Forestdale, MA built?

21 Greenville Dr, Forestdale, MA was built in 1977, making it 49 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Greenville Dr, Forestdale, MA?

21 Greenville Dr, Forestdale, MA is assigned to Forestdale School (elementary); Sandwich Middle High School (middle), rated C+. All sit in Sandwich School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Greenville Dr, Forestdale, MA compare to other homes in Forestdale 02644?

Among the 1,509 homes in Forestdale 02644, it is worth more than 21% of them ($536,313 against a typical $639,905), its price per square foot is higher than 80% of them ($466 against a typical $395), it is bigger than 18% of them (1,152 ft² against a typical 1,642 ft²), its lot is bigger than 41% of them (0.46 ac against a typical 0.48 ac) and it is newer than 28% of them (1977 against a typical 1986). Measured against all of Barnstable County, it is worth more than 17% 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 Greenville Dr, Forestdale, MA?

The 2025 property tax bill for 21 Greenville Dr, Forestdale, MA was $3,965. The county assessed it at $375,100.

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