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Single Family ResidenceResidential
$745,959$518 / 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 87How 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 INTERVALE LN

HARWICH, MA 02645
3
Beds
2
Baths
1,440 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$746K
$651K low$841K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,747 (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.$634,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$229,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$404,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$687,420

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.1995
Lot (acres)The size of the land the home sits on, from county records.0.23
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
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(3)

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
Monomoy Regional High SchoolB-
High · Grades 8–12 · 1.6 mi
E
Harwich Elementary SchoolB
Elementary · Grades PK–4 · 2.4 mi
M
Monomoy Regional Middle SchoolB
Middle · Grades 5–7 · 3.5 mi

District: Monomoy Regional School District

Neighborhood · ZIP 02645These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.10,500
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.570 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,111
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,346
Average tempThe average temperature here across a full year.50°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.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 Intervale 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.

  • Has a smaller lot than 98% of homes in Harwich 02645
  • Older than 77% of homes in Harwich 02645

What homes are worth in Harwich 02645

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

This home
$375K$2.3M

This home is worth more than 52% of homes in Harwich 02645.

How it measures up in Harwich 02645

The dot is this home. The mark in the middle is the typical home in Harwich 02645.

Estimated value$745,959
CheaperTypical $736,988Pricier

Pricier than 52% of homes nearby

Price per ft²$518
CheaperTypical $497Pricier

Pricier than 59% of homes nearby

Living area1,440 ft²
SmallerTypical 1,574 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.23 ac
SmallerTypical 0.41 acBigger

Bigger than 2% of homes nearby

Year built1967
OlderTypical 1980Newer

Newer than 23% of homes nearby

How 21 Intervale Ln ranks against every home in each area.
MeasureThis homeHarwich 02645Barnstable County
Estimated valuepricier than$745,95952% of homes50% of homes
Price per ft²pricier than$51859% of homes54% of homes
Living areabigger than1,440 ft²42% of homes43% of homes
Lot sizebigger than0.23 ac2% of homes16% of homes
Year builtnewer than196723% of homes33% of homes

About 21 Intervale Ln

How much is 21 Intervale Ln, Harwich, MA worth?

The TopHap Estimate for 21 Intervale Ln, Harwich, MA is $745,959 as of Sep 24, 2026. The likely range is $650,763 to $841,155. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Intervale Ln, Harwich, MA last sell?

21 Intervale Ln, Harwich, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Intervale Ln, Harwich, MA?

21 Intervale Ln, Harwich, MA has 3 bedrooms, 2 bathrooms, 1,440 square feet of living space and a 0.23-acre lot.

When was 21 Intervale Ln, Harwich, MA built?

21 Intervale Ln, Harwich, MA was built in 1967, making it 59 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Intervale Ln, Harwich, MA?

21 Intervale Ln, Harwich, MA is assigned to Monomoy Regional High School (high), rated B-; Harwich Elementary School (elementary), rated B; Monomoy Regional Middle School (middle), rated B. All sit in Monomoy Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Intervale Ln, Harwich, MA compare to other homes in Harwich 02645?

Among the 6,344 homes in Harwich 02645, it is worth more than 52% of them ($745,959 against a typical $736,988), its price per square foot is higher than 59% of them ($518 against a typical $497), it is bigger than 42% of them (1,440 ft² against a typical 1,574 ft²), its lot is bigger than 2% of them (0.23 ac against a typical 0.41 ac) and it is newer than 23% of them (1967 against a typical 1980). Measured against all of Barnstable County, it is worth more than 50% 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 Intervale Ln, Harwich, MA?

The 2025 property tax bill for 21 Intervale Ln, Harwich, MA was $3,747. The county assessed it at $634,000.

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