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Single Family ResidenceResidential
$1,126,656$317 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

21 RIVER VIEW LN

MARION, MA 02738
4
Beds
3
Baths
3,559 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.
1.35 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.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$998K low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,084 (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.$867,362 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$265,262
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$602,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,106,750

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.92 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.72%
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.0.2 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.1.35
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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(3)

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
SippicanC
Elementary · Grades PK–6 · 2.3 mi
H
Old Rochester Regional High SchoolA-
High · Grades 9–12 · 4.5 mi
M
Old Rochester Regional Jr High SchoolC+
Middle · Grades 7–8 · 4.6 mi

District: Marion School District

Neighborhood · ZIP 02738These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.4,843
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.243 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,304
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,564
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

21 River View Ln 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 88% of homes in Plymouth County
  • Costs less per square foot than 90% of homes in Marion 02738
  • Bigger than 95% of homes in Plymouth County
  • Has a bigger lot than 85% of homes in Plymouth County
  • Newer than 70% of homes in Plymouth County

What homes are worth in Marion 02738

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

This home
$374K$4.2M

This home is worth more than 71% of homes in Marion 02738.

How it measures up in Marion 02738

The dot is this home. The mark in the middle is the typical home in Marion 02738.

Estimated value$1,126,656
CheaperTypical $843,026Pricier

Pricier than 71% of homes nearby

Price per ft²$317
CheaperTypical $421Pricier

Pricier than 10% of homes nearby

Living area3,559 ft²
SmallerTypical 2,020 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.35 ac
SmallerTypical 0.5 acBigger

Bigger than 81% of homes nearby

Year built1986
OlderTypical 1971Newer

Newer than 68% of homes nearby

How 21 River View Ln ranks against every home in each area.
MeasureThis homeMarion 02738Plymouth County
Estimated valuepricier than$1,126,65671% of homes88% of homes
Price per ft²pricier than$31710% of homes21% of homes
Living areabigger than3,559 ft²87% of homes95% of homes
Lot sizebigger than1.35 ac81% of homes85% of homes
Year builtnewer than198668% of homes70% of homes

About 21 River View Ln

How much is 21 River View Ln, Marion, MA worth?

The TopHap Estimate for 21 River View Ln, Marion, MA is $1,126,656 as of Sep 24, 2026. The likely range is $997,708 to $1,255,604. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 River View Ln, Marion, MA last sell?

21 River View Ln, Marion, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 River View Ln, Marion, MA?

21 River View Ln, Marion, MA has 4 bedrooms, 3 bathrooms, 3,559 square feet of living space and a 1.35-acre lot.

When was 21 River View Ln, Marion, MA built?

21 River View Ln, Marion, MA was built in 1986, making it 40 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 River View Ln, Marion, MA?

21 River View Ln, Marion, MA is assigned to Sippican (elementary), rated C; Old Rochester Regional High School (high), rated A-; Old Rochester Regional Jr High School (middle), rated C+. All sit in Marion School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 River View Ln, Marion, MA compare to other homes in Marion 02738?

Among the 2,425 homes in Marion 02738, it is worth more than 71% of them ($1,126,656 against a typical $843,026), its price per square foot is higher than 10% of them ($317 against a typical $421), it is bigger than 87% of them (3,559 ft² against a typical 2,020 ft²), its lot is bigger than 81% of them (1.35 ac against a typical 0.5 ac) and it is newer than 68% of them (1986 against a typical 1971). Measured against all of Plymouth County, it is worth more than 88% 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 21 River View Ln, Marion, MA?

The 2025 property tax bill for 21 River View Ln, Marion, MA was $8,084. The county assessed it at $867,362.

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