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Duplex (2 Units, Any Combination)Residential
Last sold for $300,000 on Jun 20, 2013

21 BLUE ROCK RD # 23

SOUTH YARMOUTH, MA 02664
4
Beds
4 / 2
Baths
2,120 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.
1971
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Jun 20, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,467 (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.$489,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$309,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$489,700

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyBarnstable
Lot (acres)The size of the land the home sits on, from county records.0.32
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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.

E
Station Avenue Elementary SchoolB+
Elementary · Grades KG–3 · 1.2 mi
H
Dennis Yarmouth Regional High SchoolC
High · Grades 9–12 · 1.2 mi
M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 3.5 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02664These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
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.10,036
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,247 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,867
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,512
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

21 Blue Rock Rd # 23 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.

  • Bigger than 89% of homes in South Yarmouth 02664
  • Has a smaller lot than 67% of homes in Barnstable County

How it measures up in South Yarmouth 02664

The dot is this home. The mark in the middle is the typical home in South Yarmouth 02664.

Living area2,120 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.32 ac
SmallerTypical 0.29 acBigger

Bigger than 61% of homes nearby

Year built1971
OlderTypical 1968Newer

Newer than 64% of homes nearby

How 21 Blue Rock Rd # 23 ranks against every home in each area.
MeasureThis homeSouth Yarmouth 02664Barnstable County
Living areabigger than2,120 ft²89% of homes75% of homes
Lot sizebigger than0.32 ac61% of homes33% of homes
Year builtnewer than197164% of homes40% of homes

About 21 Blue Rock Rd # 23

When did 21 Blue Rock Rd # 23, South Yarmouth, MA last sell?

21 Blue Rock Rd # 23, South Yarmouth, MA last sold on Jun 20, 2013 for $300,000, according to the county's recorded deed.

How big is 21 Blue Rock Rd # 23, South Yarmouth, MA?

21 Blue Rock Rd # 23, South Yarmouth, MA has 4 bedrooms, 4 bathrooms, 2,120 square feet of living space and a 0.32-acre lot.

When was 21 Blue Rock Rd # 23, South Yarmouth, MA built?

21 Blue Rock Rd # 23, South Yarmouth, MA was built in 1971, making it 55 years old. It is a duplex single home. The building has 2 stories.

What schools serve 21 Blue Rock Rd # 23, South Yarmouth, MA?

21 Blue Rock Rd # 23, South Yarmouth, MA is assigned to Station Avenue Elementary 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 21 Blue Rock Rd # 23, South Yarmouth, MA compare to other homes in South Yarmouth 02664?

Among the 6,149 homes in South Yarmouth 02664, it is bigger than 89% of them (2,120 ft² against a typical 1,296 ft²), its lot is bigger than 61% of them (0.32 ac against a typical 0.29 ac) and it is newer than 64% of them (1971 against a typical 1968). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Blue Rock Rd # 23, South Yarmouth, MA?

The 2025 property tax bill for 21 Blue Rock Rd # 23, South Yarmouth, MA was $3,467. The county assessed it at $489,700.

More homes on Blue Rock Rd # 23

Closest homes

More homes in South Yarmouth 02664

Assigned schools

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