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Single Family ResidenceResidential
$1,044,690$466 / 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 95How 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 $170,000 on Mar 15, 2011

11 ROCK ST

MATTAPOISETT, MA 02739
3
Beds
2.5
Baths
2,244 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.
1.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.
2
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

$1M
$995K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$170,000 · Mar 15, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,453 (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.$878,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$261,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$616,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,246,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.56
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
50
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.43 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.Cape Cod
CountyPLYMOUTH
Lot (acres)The size of the land the home sits on, from county records.1.12
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Hot Water
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

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

M
Old Rochester Regional Jr High SchoolC+
Middle · Grades 7–8 · 1.2 mi
E
CenterA
Elementary · Grades PK–3 · 1.3 mi
H
Old Rochester Regional High SchoolA-
High · Grades 9–12 · 1.3 mi

District: Old Rochester School District

Neighborhood · ZIP 02739These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.56

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
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.5,594
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.287 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,027
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,153
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

11 Rock 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.

  • Worth more than 86% of homes in Plymouth County
  • Costs more per square foot than 73% of homes in Plymouth County
  • Bigger than 73% of homes in Plymouth County
  • Has a bigger lot than 83% of homes in Mattapoisett 02739
  • Newer than 92% of homes in Plymouth County

What homes are worth in Mattapoisett 02739

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

This home
$378K$2.4M

This home is worth more than 76% of homes in Mattapoisett 02739.

How it measures up in Mattapoisett 02739

The dot is this home. The mark in the middle is the typical home in Mattapoisett 02739.

Estimated value$1,044,690
CheaperTypical $775,123Pricier

Pricier than 76% of homes nearby

Price per ft²$466
CheaperTypical $426Pricier

Pricier than 62% of homes nearby

Living area2,244 ft²
SmallerTypical 1,865 ft²Bigger

Bigger than 67% of homes nearby

Lot size1.12 ac
SmallerTypical 0.46 acBigger

Bigger than 83% of homes nearby

Year built2011
OlderTypical 1970Newer

Newer than 90% of homes nearby

How 11 Rock St ranks against every home in each area.
MeasureThis homeMattapoisett 02739Plymouth County
Estimated valuepricier than$1,044,69076% of homes86% of homes
Price per ft²pricier than$46662% of homes73% of homes
Living areabigger than2,244 ft²67% of homes73% of homes
Lot sizebigger than1.12 ac83% of homes82% of homes
Year builtnewer than201190% of homes92% of homes

About 11 Rock St

How much is 11 Rock St, Mattapoisett, MA worth?

The TopHap Estimate for 11 Rock St, Mattapoisett, MA is $1,044,690 as of Aug 30, 2026. The likely range is $994,794 to $1,094,586. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Rock St, Mattapoisett, MA last sell?

11 Rock St, Mattapoisett, MA last sold on Mar 15, 2011 for $170,000, according to the county's recorded deed.

How big is 11 Rock St, Mattapoisett, MA?

11 Rock St, Mattapoisett, MA has 3 bedrooms, 2.5 bathrooms, 2,244 square feet of living space and a 1.12-acre lot.

When was 11 Rock St, Mattapoisett, MA built?

11 Rock St, Mattapoisett, MA was built in 2011, making it 15 years old. It is a cape cod home. The building has 2 stories.

What schools serve 11 Rock St, Mattapoisett, MA?

11 Rock St, Mattapoisett, MA is assigned to Old Rochester Regional Jr High School (middle), rated C+; Center (elementary), rated A; Old Rochester Regional High School (high), rated A-. All sit in Old Rochester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Rock St, Mattapoisett, MA compare to other homes in Mattapoisett 02739?

Among the 3,361 homes in Mattapoisett 02739, it is worth more than 76% of them ($1,044,690 against a typical $775,123), its price per square foot is higher than 62% of them ($466 against a typical $426), it is bigger than 67% of them (2,244 ft² against a typical 1,865 ft²), its lot is bigger than 83% of them (1.12 ac against a typical 0.46 ac) and it is newer than 90% of them (2011 against a typical 1970). Measured against all of Plymouth County, it is worth more than 86% 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 11 Rock St, Mattapoisett, MA?

The 2025 property tax bill for 11 Rock St, Mattapoisett, MA was $9,453. The county assessed it at $878,500.

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