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Single Family ResidenceResidential
$9,999,999$1,064 / 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 72How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $18,500,000 on Sep 15, 2022

159 MAIN ST

OSTERVILLE, MA 02655
8
Beds
9 / 2
Baths
9,400 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.
4 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
17
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$10M
$10M low$10M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$18,500,000 · Sep 15, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$72,640 (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.$8,979,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,272,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,706,700

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.152 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent coastal flood zone

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.Contemporary
CountyBARNSTABLE
Lot (acres)The size of the land the home sits on, from county records.4.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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
West Villages Elementary SchoolA
Elementary · Grades KG–3 · 2.5 mi
H
Barnstable High SchoolD
High · Grades 8–12 · 2.7 mi
M
Barnstable Intermediate SchoolC
Middle · Grades 6–7 · 2.8 mi

District: Barnstable School District

Neighborhood · ZIP 02655These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
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.55%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.3,622
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.443 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,803
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$158,292
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

159 Main St 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.

  • Among the most valuable homes in Osterville 02655
  • Costs more per square foot than 94% of homes in Barnstable County
  • Among the largest homes in Barnstable County
  • Among the largest lots in Barnstable County
  • Newer than 97% of homes in Barnstable County

What homes are worth in Osterville 02655

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

This home
$445K$10M

This home is worth more than almost all homes in Osterville 02655.

How it measures up in Osterville 02655

The dot is this home. The mark in the middle is the typical home in Osterville 02655.

Estimated value$9,999,999
CheaperTypical $1,080,283Pricier

Pricier than almost all homes nearby

Price per ft²$1064
CheaperTypical $579Pricier

Pricier than 87% of homes nearby

Living area9,400 ft²
SmallerTypical 1,940 ft²Bigger

Bigger than almost all homes nearby

Lot size4 ac
SmallerTypical 0.48 acBigger

Bigger than 98% of homes nearby

Year built2015
OlderTypical 1979Newer

Newer than 96% of homes nearby

How 159 Main St ranks against every home in each area.
MeasureThis homeOsterville 02655Barnstable County
Estimated valuepricier than$9,999,999almost all homesalmost all homes
Price per ft²pricier than$106487% of homes94% of homes
Living areabigger than9,400 ft²almost all homesalmost all homes
Lot sizebigger than4 ac98% of homesalmost all homes
Year builtnewer than201596% of homes97% of homes

About 159 Main St

How much is 159 Main St, Osterville, MA worth?

The TopHap Estimate for 159 Main St, Osterville, MA is $9,999,999 as of Aug 30, 2026. The likely range is $9,999,999 to $9,999,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 159 Main St, Osterville, MA last sell?

159 Main St, Osterville, MA last sold on Sep 15, 2022 for $18,500,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 159 Main St, Osterville, MA?

159 Main St, Osterville, MA has 8 bedrooms, 9 bathrooms, 9,400 square feet of living space and a 4.00-acre lot.

When was 159 Main St, Osterville, MA built?

159 Main St, Osterville, MA was built in 2015, making it 11 years old. It is a contemporary home. The building has 2 stories.

What schools serve 159 Main St, Osterville, MA?

159 Main St, Osterville, MA is assigned to West Villages Elementary School (elementary), rated A; Barnstable High School (high), rated D; Barnstable Intermediate School (middle), rated C. All sit in Barnstable School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 159 Main St, Osterville, MA compare to other homes in Osterville 02655?

Among the 2,684 homes in Osterville 02655, it is worth more than almost all of them ($9,999,999 against a typical $1,080,283), its price per square foot is higher than 87% of them ($1064 against a typical $579), it is bigger than almost all of them (9,400 ft² against a typical 1,940 ft²), its lot is bigger than 98% of them (4 ac against a typical 0.48 ac) and it is newer than 96% of them (2015 against a typical 1979). Measured against all of Barnstable County, it is worth more than almost all 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 159 Main St, Osterville, MA?

The 2025 property tax bill for 159 Main St, Osterville, MA was $72,640. The county assessed it at $8,979,000.

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