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Single Family ResidenceResidential
$521,908$471 / 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 92How 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 $420,000 on Sep 13, 2022

509 RIVERSIDE AVE

SOMERSET, MA 02725
2
Beds
2.5
Baths
1,108 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$522K
$480K low$564K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$420,000 · Sep 13, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,696 (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.$428,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$183,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$245,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$476,045

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.Raised Ranch
CountyBRISTOL
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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

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
South Elementary SchoolB
Elementary · Grades KG–5 · 1.0 mi
M
Somerset Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
H
Somerset Berkley Regional High SchoolB
High · Grades 9–12 · 1.4 mi

District: Somerset School District

Neighborhood · ZIP 02725These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.3,108
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.646 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,303
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$173,334
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

509 Riverside Ave 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 67% of homes in Somerset 02725
  • Costs more per square foot than 92% of homes in Bristol County
  • Smaller than 83% of homes in Bristol County
  • Has a smaller lot than 70% of homes in Bristol County
  • Newer than 95% of homes in Somerset 02725

What homes are worth in Somerset 02725

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

This home
$340K$811K

This home is worth more than 67% of homes in Somerset 02725.

How it measures up in Somerset 02725

The dot is this home. The mark in the middle is the typical home in Somerset 02725.

Estimated value$521,908
CheaperTypical $486,508Pricier

Pricier than 67% of homes nearby

Price per ft²$471
CheaperTypical $358Pricier

Pricier than 91% of homes nearby

Living area1,108 ft²
SmallerTypical 1,336 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.22 ac
SmallerTypical 0.25 acBigger

Bigger than 37% of homes nearby

Year built2002
OlderTypical 1956Newer

Newer than 95% of homes nearby

How 509 Riverside Ave ranks against every home in each area.
MeasureThis homeSomerset 02725Bristol County
Estimated valuepricier than$521,90867% of homes49% of homes
Price per ft²pricier than$47191% of homes92% of homes
Living areabigger than1,108 ft²22% of homes17% of homes
Lot sizebigger than0.22 ac37% of homes30% of homes
Year builtnewer than200295% of homes89% of homes

About 509 Riverside Ave

How much is 509 Riverside Ave, Somerset, MA worth?

The TopHap Estimate for 509 Riverside Ave, Somerset, MA is $521,908 as of Jul 14, 2026. The likely range is $479,670 to $564,146. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Riverside Ave, Somerset, MA last sell?

509 Riverside Ave, Somerset, MA last sold on Sep 13, 2022 for $420,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 Riverside Ave, Somerset, MA?

509 Riverside Ave, Somerset, MA has 2 bedrooms, 2.5 bathrooms, 1,108 square feet of living space and a 0.22-acre lot.

When was 509 Riverside Ave, Somerset, MA built?

509 Riverside Ave, Somerset, MA was built in 2002, making it 24 years old. It is a raised ranch home. The building has 1 story.

What schools serve 509 Riverside Ave, Somerset, MA?

509 Riverside Ave, Somerset, MA is assigned to South Elementary School (elementary), rated B; Somerset Middle School (middle), rated C; Somerset Berkley Regional High School (high), rated B. All sit in Somerset School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Riverside Ave, Somerset, MA compare to other homes in Somerset 02725?

Among the 931 homes in Somerset 02725, it is worth more than 67% of them ($521,908 against a typical $486,508), its price per square foot is higher than 91% of them ($471 against a typical $358), it is bigger than 22% of them (1,108 ft² against a typical 1,336 ft²), its lot is bigger than 37% of them (0.22 ac against a typical 0.25 ac) and it is newer than 95% of them (2002 against a typical 1956). Measured against all of Bristol County, it is worth more than 49% 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 509 Riverside Ave, Somerset, MA?

The 2025 property tax bill for 509 Riverside Ave, Somerset, MA was $5,696. The county assessed it at $428,300.

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