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Single Family ResidenceResidential
$641,791$455 / 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 Jul 14, 2026
Last sold for $389,000 on Jun 29, 2018

11 RIVERDALE N

SOUTH DENNIS, MA 02660
3
Beds
2
Baths
1,412 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.
0.32 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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$642K
$611K low$672K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$389,000 · Jun 29, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,629 (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.$607,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$97,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$509,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$623,960

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.2004
Lot (acres)The size of the land the home sits on, from county records.0.32
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(2)

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
Ezra H. Baker Innovation SchoolB
Elementary · Grades PK–3 · 1.8 mi
H
Dennis Yarmouth Regional High SchoolC
High · Grades 9–12 · 2.0 mi
M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 4.5 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02660These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.66%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
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.6,640
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.686 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,630
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,792
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%

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 Riverdale N 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 less than 67% of homes in Barnstable County
  • Costs less per square foot than 65% of homes in Barnstable County
  • Has a smaller lot than 67% of homes in Barnstable County
  • Newer than 81% of homes in South Dennis 02660

What homes are worth in South Dennis 02660

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

This home
$280K$1.8M

This home is worth more than 49% of homes in South Dennis 02660.

How it measures up in South Dennis 02660

The dot is this home. The mark in the middle is the typical home in South Dennis 02660.

Estimated value$641,791
CheaperTypical $647,406Pricier

Pricier than 49% of homes nearby

Price per ft²$455
CheaperTypical $483Pricier

Pricier than 36% of homes nearby

Living area1,412 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.32 ac
SmallerTypical 0.31 acBigger

Bigger than 51% of homes nearby

Year built1986
OlderTypical 1975Newer

Newer than 81% of homes nearby

How 11 Riverdale N ranks against every home in each area.
MeasureThis homeSouth Dennis 02660Barnstable County
Estimated valuepricier than$641,79149% of homes33% of homes
Price per ft²pricier than$45536% of homes35% of homes
Living areabigger than1,412 ft²51% of homes41% of homes
Lot sizebigger than0.32 ac51% of homes33% of homes
Year builtnewer than198681% of homes72% of homes

About 11 Riverdale N

How much is 11 Riverdale N, South Dennis, MA worth?

The TopHap Estimate for 11 Riverdale N, South Dennis, MA is $641,791 as of Jul 14, 2026. The likely range is $611,164 to $672,418. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Riverdale N, South Dennis, MA last sell?

11 Riverdale N, South Dennis, MA last sold on Jun 29, 2018 for $389,000, according to the county's recorded deed.

How big is 11 Riverdale N, South Dennis, MA?

11 Riverdale N, South Dennis, MA has 3 bedrooms, 2 bathrooms, 1,412 square feet of living space and a 0.32-acre lot.

When was 11 Riverdale N, South Dennis, MA built?

11 Riverdale N, South Dennis, MA was built in 1986, making it 40 years old. It is a ranch home. The building has 1 story.

What schools serve 11 Riverdale N, South Dennis, MA?

11 Riverdale N, South Dennis, MA is assigned to Ezra H. Baker Innovation School (elementary), rated B; Dennis Yarmouth Regional High School (high), rated C; Mattacheese Middle School (middle), rated B-. All sit in Dennis-Yarmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Riverdale N, South Dennis, MA compare to other homes in South Dennis 02660?

Among the 4,468 homes in South Dennis 02660, it is worth more than 49% of them ($641,791 against a typical $647,406), its price per square foot is higher than 36% of them ($455 against a typical $483), it is bigger than 51% of them (1,412 ft² against a typical 1,400 ft²), its lot is bigger than 51% of them (0.32 ac against a typical 0.31 ac) and it is newer than 81% of them (1986 against a typical 1975). Measured against all of Barnstable County, it is worth more than 33% 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 Riverdale N, South Dennis, MA?

The 2025 property tax bill for 11 Riverdale N, South Dennis, MA was $2,629. The county assessed it at $607,200.

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Assigned schools

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