Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$868,864$1,021 / 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 Jul 14, 2026

17 CLAMSHELL LN

MASHPEE, MA 02649
2
Beds
1
Baths
851 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
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

$869K
$809K low$929K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$868,864
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$695,091

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,773 (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.$721,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$523,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$197,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$664,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$563,540

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.95 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.91%
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 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.Ranch
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.0.30
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.Space
FireplaceWhether the home has a fireplace, and what kind.Yes
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Mashpee Middle-High SchoolC
Middle · Grades 7–12 · 3.1 mi
E
Kenneth Coombs School
Elementary · Grades PK–2 · 3.6 mi

District: Mashpee School District

Neighborhood · ZIP 02649These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.67%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.15,617
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.573 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,782
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,171
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

17 Clamshell 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.

  • Costs more per square foot than 93% of homes in Mashpee 02649
  • Smaller than 94% of homes in Mashpee 02649
  • Has a smaller lot than 68% of homes in Barnstable County
  • Among the oldest homes in Mashpee 02649

What homes are worth in Mashpee 02649

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

This home
$337K$3.5M

This home is worth more than 64% of homes in Mashpee 02649.

How it measures up in Mashpee 02649

The dot is this home. The mark in the middle is the typical home in Mashpee 02649.

Estimated value$868,864
CheaperTypical $717,622Pricier

Pricier than 64% of homes nearby

Price per ft²$1021
CheaperTypical $462Pricier

Pricier than 93% of homes nearby

Living area851 ft²
SmallerTypical 1,576 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.3 ac
SmallerTypical 0.35 acBigger

Bigger than 38% of homes nearby

Year built1920
OlderTypical 1987Newer

Older than almost all homes nearby

How 17 Clamshell Ln ranks against every home in each area.
MeasureThis homeMashpee 02649Barnstable County
Estimated valuepricier than$868,86464% of homes61% of homes
Price per ft²pricier than$102193% of homes93% of homes
Living areabigger than851 ft²6% of homes10% of homes
Lot sizebigger than0.3 ac38% of homes32% of homes
Year builtnewer than1920almost no homes6% of homes

About 17 Clamshell Ln

How much is 17 Clamshell Ln, Mashpee, MA worth?

The TopHap Estimate for 17 Clamshell Ln, Mashpee, MA is $868,864 as of Jul 14, 2026. The likely range is $808,987 to $928,741. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 Clamshell Ln, Mashpee, MA last sell?

17 Clamshell Ln, Mashpee, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17 Clamshell Ln, Mashpee, MA?

17 Clamshell Ln, Mashpee, MA has 2 bedrooms, 1 bathrooms, 851 square feet of living space and a 0.30-acre lot.

When was 17 Clamshell Ln, Mashpee, MA built?

17 Clamshell Ln, Mashpee, MA was built in 1920, making it 106 years old. It is a ranch home. The building has 1 story.

What schools serve 17 Clamshell Ln, Mashpee, MA?

17 Clamshell Ln, Mashpee, MA is assigned to Mashpee Middle-High School (middle), rated C; Kenneth Coombs School (elementary). All sit in Mashpee School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17 Clamshell Ln, Mashpee, MA compare to other homes in Mashpee 02649?

Among the 10,262 homes in Mashpee 02649, it is worth more than 64% of them ($868,864 against a typical $717,622), its price per square foot is higher than 93% of them ($1021 against a typical $462), it is bigger than 6% of them (851 ft² against a typical 1,576 ft²), its lot is bigger than 38% of them (0.3 ac against a typical 0.35 ac) and it is newer than almost none of them (1920 against a typical 1987). Measured against all of Barnstable County, it is worth more than 61% 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 17 Clamshell Ln, Mashpee, MA?

The 2025 property tax bill for 17 Clamshell Ln, Mashpee, MA was $4,773. The county assessed it at $721,000.

Closest homes

More homes in Mashpee 02649

Assigned schools

Explore the area

See this home in context

Open 17 Clamshell Ln on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map