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Single Family ResidenceResidential
$3,490,719$865 / 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 90How 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 $1,710,000 on May 20, 2014

12 ROCK ISLAND RD

MASHPEE, MA 02649
3
Beds
4 / 2
Baths
4,034 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
2010
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$3.5M
$3.1M low$3.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,710,000 · May 20, 2014
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.$3,147,719
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$2,518,175
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.9%
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.$343,000
ENVISION BANK · R · recorded Jan 25, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,501 (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.$2,945,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,124,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,821,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,572,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,193,235

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
Lot (acres)The size of the land the home sits on, from county records.0.21
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
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(7)

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.

M
Mashpee Middle-High SchoolC
Middle · Grades 7–12 · 3.9 mi
E
Kenneth Coombs School
Elementary · Grades PK–2 · 4.0 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

12 Rock Island Rd 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 more than 98% of homes in Mashpee 02649
  • Costs more per square foot than 88% of homes in Mashpee 02649
  • Bigger than 97% of homes in Mashpee 02649
  • Has a smaller lot than 86% of homes in Mashpee 02649
  • Newer than 95% 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
$335K$3.4M

This home is worth more than 98% 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$3,490,719
CheaperTypical $718,640Pricier

Pricier than 98% of homes nearby

Price per ft²$865
CheaperTypical $462Pricier

Pricier than 88% of homes nearby

Living area4,034 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.21 ac
SmallerTypical 0.35 acBigger

Bigger than 14% of homes nearby

Year built2010
OlderTypical 1987Newer

Newer than 90% of homes nearby

How 12 Rock Island Rd ranks against every home in each area.
MeasureThis homeMashpee 02649Barnstable County
Estimated valuepricier than$3,490,71998% of homes98% of homes
Price per ft²pricier than$86588% of homes88% of homes
Living areabigger than4,034 ft²97% of homes97% of homes
Lot sizebigger than0.21 ac14% of homes14% of homes
Year builtnewer than201090% of homes95% of homes

About 12 Rock Island Rd

How much is 12 Rock Island Rd, Mashpee, MA worth?

The TopHap Estimate for 12 Rock Island Rd, Mashpee, MA is $3,490,719 as of Jul 14, 2026. The likely range is $3,134,581 to $3,846,856. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Rock Island Rd, Mashpee, MA last sell?

12 Rock Island Rd, Mashpee, MA last sold on May 20, 2014 for $1,710,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 12 Rock Island Rd, Mashpee, MA?

12 Rock Island Rd, Mashpee, MA has 3 bedrooms, 4 bathrooms, 4,034 square feet of living space and a 0.21-acre lot.

When was 12 Rock Island Rd, Mashpee, MA built?

12 Rock Island Rd, Mashpee, MA was built in 2010, making it 16 years old. It is a ranch home. The building has 3 stories.

What schools serve 12 Rock Island Rd, Mashpee, MA?

12 Rock Island Rd, 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 12 Rock Island Rd, Mashpee, MA compare to other homes in Mashpee 02649?

Among the 10,262 homes in Mashpee 02649, it is worth more than 98% of them ($3,490,719 against a typical $718,640), its price per square foot is higher than 88% of them ($865 against a typical $462), it is bigger than 97% of them (4,034 ft² against a typical 1,584 ft²), its lot is bigger than 14% of them (0.21 ac against a typical 0.35 ac) and it is newer than 90% of them (2010 against a typical 1987). Measured against all of Barnstable County, it is worth more than 98% 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 12 Rock Island Rd, Mashpee, MA?

The 2025 property tax bill for 12 Rock Island Rd, Mashpee, MA was $19,501. The county assessed it at $2,945,800.

More homes on Rock Island Rd

Closest homes

More homes in Mashpee 02649

Assigned schools

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See this home in context

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