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Single Family ResidenceResidential
$666,978$526 / 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 96How 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
Last sold for $375,000 on Aug 5, 2020

17 PORTHOLE DR

MASHPEE, MA 02649
2
Beds
1
Baths
1,268 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.
1986
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

$667K
$640K low$694K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,000 · Aug 5, 2020
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.$298,771
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$239,017
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.55%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$368,207
GUARANTEED RATE INC · recorded Aug 5, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,618 (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.$546,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$183,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$363,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$512,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$537,130

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.2003
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.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(14)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

E
Kenneth Coombs School
Elementary · Grades PK–2 · 1.2 mi
M
Mashpee Middle-High SchoolC
Middle · Grades 7–12 · 1.9 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.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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 Porthole 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.

  • Costs more per square foot than 65% of homes in Mashpee 02649
  • Smaller than 75% of homes in Mashpee 02649
  • Has a smaller lot than 82% of homes in Mashpee 02649
  • Newer than 72% of homes in Barnstable County

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
$350K$3.5M

This home is worth more than 43% 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$666,978
CheaperTypical $720,478Pricier

Pricier than 43% of homes nearby

Price per ft²$526
CheaperTypical $461Pricier

Pricier than 65% of homes nearby

Living area1,268 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.23 ac
SmallerTypical 0.36 acBigger

Bigger than 18% of homes nearby

Year built1986
OlderTypical 1987Newer

Newer than 48% of homes nearby

How 17 Porthole Dr ranks against every home in each area.
MeasureThis homeMashpee 02649Barnstable County
Estimated valuepricier than$666,97843% of homes37% of homes
Price per ft²pricier than$52665% of homes55% of homes
Living areabigger than1,268 ft²25% of homes32% of homes
Lot sizebigger than0.23 ac18% of homes19% of homes
Year builtnewer than198648% of homes72% of homes

About 17 Porthole Dr

How much is 17 Porthole Dr, Mashpee, MA worth?

The TopHap Estimate for 17 Porthole Dr, Mashpee, MA is $666,978 as of Jul 14, 2026. The likely range is $639,726 to $694,230. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 Porthole Dr, Mashpee, MA last sell?

17 Porthole Dr, Mashpee, MA last sold on Aug 5, 2020 for $375,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 17 Porthole Dr, Mashpee, MA?

17 Porthole Dr, Mashpee, MA has 2 bedrooms, 1 bathrooms, 1,268 square feet of living space and a 0.23-acre lot.

When was 17 Porthole Dr, Mashpee, MA built?

17 Porthole Dr, Mashpee, MA was built in 1986, making it 40 years old. It is a ranch home. The building has 1 story.

What schools serve 17 Porthole Dr, Mashpee, MA?

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

How does 17 Porthole Dr, Mashpee, MA compare to other homes in Mashpee 02649?

Among the 10,262 homes in Mashpee 02649, it is worth more than 43% of them ($666,978 against a typical $720,478), its price per square foot is higher than 65% of them ($526 against a typical $461), it is bigger than 25% of them (1,268 ft² against a typical 1,584 ft²), its lot is bigger than 18% of them (0.23 ac against a typical 0.36 ac) and it is newer than 48% of them (1986 against a typical 1987). Measured against all of Barnstable County, it is worth more than 37% 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 Porthole Dr, Mashpee, MA?

The 2025 property tax bill for 17 Porthole Dr, Mashpee, MA was $3,618. The county assessed it at $546,500.

Closest homes

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Assigned schools

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