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CondominiumResidential
$1,030,500$478 / 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 Jun 23, 2026
Last sold for $1,075,000 on Aug 27, 2020

56 RIVER ST

ARLINGTON, MA 02474
Building report
3
Beds
2
Baths
2,157 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
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

$1M
$917K 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.$1,075,000 · Aug 27, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$378,000
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$302,400
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.63%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$562,500
WINCHESTER SAVINGS BANK · recorded May 25, 2016
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$90,000
JNR LENDING T

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,587 (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.$983,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$983,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$866,780

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
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.1955
Lot (acres)The size of the land the home sits on, from county records.0.11
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Thompson Elementary SchoolA-
Elementary · Grades KG–5 · 0.1 mi
H
Arlington High SchoolA+
High · Grades 9–12 · 1.1 mi
M
Ottoson Middle SchoolA
Middle · Grades 7–8 · 1.9 mi

District: Arlington School District

Neighborhood · ZIP 02474These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.28,942
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,752 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,047
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,385
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

56 River 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 72% of homes in Middlesex County
  • Costs less per square foot than 87% of homes in Arlington 02474
  • Has a smaller lot than 86% of homes in Middlesex County
  • Older than 72% of homes in Middlesex County

What homes are worth in Arlington 02474

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

This home
$349K$2.1M

This home is worth more than 49% of homes in Arlington 02474.

How it measures up in Arlington 02474

The dot is this home. The mark in the middle is the typical home in Arlington 02474.

Estimated value$1,030,500
CheaperTypical $1,040,611Pricier

Pricier than 49% of homes nearby

Price per ft²$478
CheaperTypical $601Pricier

Pricier than 13% of homes nearby

Living area2,157 ft²
SmallerTypical 1,976 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.11 ac
SmallerTypical 0.14 acBigger

Bigger than 19% of homes nearby

Year built1925
OlderTypical 1932Newer

Newer than 36% of homes nearby

How 56 River St ranks against every home in each area.
MeasureThis homeArlington 02474Middlesex County
Estimated valuepricier than$1,030,50049% of homes72% of homes
Price per ft²pricier than$47813% of homes54% of homes
Living areabigger than2,157 ft²58% of homes63% of homes
Lot sizebigger than0.11 ac19% of homes14% of homes
Year builtnewer than192536% of homes28% of homes

About 56 River St

How much is 56 River St, Arlington, MA worth?

The TopHap Estimate for 56 River St, Arlington, MA is $1,030,500 as of Jun 23, 2026. The likely range is $917,145 to $1,143,855. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 56 River St, Arlington, MA last sell?

56 River St, Arlington, MA last sold on Aug 27, 2020 for $1,075,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 56 River St, Arlington, MA?

56 River St, Arlington, MA has 3 bedrooms, 2 bathrooms, 2,157 square feet of living space and a 0.11-acre lot.

When was 56 River St, Arlington, MA built?

56 River St, Arlington, MA was built in 1925, making it 101 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 56 River St, Arlington, MA?

56 River St, Arlington, MA is assigned to Thompson Elementary School (elementary), rated A-; Arlington High School (high), rated A+; Ottoson Middle School (middle), rated A. All sit in Arlington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 56 River St, Arlington, MA compare to other homes in Arlington 02474?

Among the 8,570 homes in Arlington 02474, it is worth more than 49% of them ($1,030,500 against a typical $1,040,611), its price per square foot is higher than 13% of them ($478 against a typical $601), it is bigger than 58% of them (2,157 ft² against a typical 1,976 ft²), its lot is bigger than 19% of them (0.11 ac against a typical 0.14 ac) and it is newer than 36% of them (1925 against a typical 1932). Measured against all of Middlesex County, it is worth more than 72% 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 56 River St, Arlington, MA?

The 2025 property tax bill for 56 River St, Arlington, MA was $10,587. The county assessed it at $983,000.

More homes on River St

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Assigned schools

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