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Single Family ResidenceResidential
$1,021,255$532 / 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 Oct 21, 2026
Last sold for $685,000 on May 31, 2017

15 WILLIAMS ST

ARLINGTON, MA 02476
3
Beds
2
Baths
1,920 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.
1961
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
$971K 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.$685,000 · May 31, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,744 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$913,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$469,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$444,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$884,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$939,179

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
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.1972
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.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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(9)

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
Cyrus E. Dallin Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
M
Ottoson Middle SchoolA+
Middle · Grades 7–8 · 0.8 mi
H
Arlington High SchoolA+
High · Grades 9–12 · 1.6 mi

District: Arlington School District

Neighborhood · ZIP 02476These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.18,178
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,237
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$192,900
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%

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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

15 Williams 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 74% of homes in Arlington 02476
  • Has a smaller lot than 88% of homes in Middlesex County
  • Newer than 78% of homes in Arlington 02476

What homes are worth in Arlington 02476

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

This home
$311K$2.2M

This home is worth more than 46% of homes in Arlington 02476.

How it measures up in Arlington 02476

The dot is this home. The mark in the middle is the typical home in Arlington 02476.

Estimated value$1,021,255
CheaperTypical $1,053,908Pricier

Pricier than 46% of homes nearby

Price per ft²$532
CheaperTypical $599Pricier

Pricier than 26% of homes nearby

Living area1,920 ft²
SmallerTypical 1,843 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 14% of homes nearby

Year built1961
OlderTypical 1932Newer

Newer than 78% of homes nearby

How 15 Williams St ranks against every home in each area.
MeasureThis homeArlington 02476Middlesex County
Estimated valuepricier than$1,021,25546% of homes72% of homes
Price per ft²pricier than$53226% of homes66% of homes
Living areabigger than1,920 ft²54% of homes54% of homes
Lot sizebigger than0.11 ac14% of homes12% of homes
Year builtnewer than196178% of homes54% of homes

About 15 Williams St

How much is 15 Williams St, Arlington, MA worth?

The TopHap Estimate for 15 Williams St, Arlington, MA is $1,021,255 as of Oct 21, 2026. The likely range is $970,934 to $1,071,576. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Williams St, Arlington, MA last sell?

15 Williams St, Arlington, MA last sold on May 31, 2017 for $685,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 15 Williams St, Arlington, MA?

15 Williams St, Arlington, MA has 3 bedrooms, 2 bathrooms, 1,920 square feet of living space and a 0.11-acre lot.

When was 15 Williams St, Arlington, MA built?

15 Williams St, Arlington, MA was built in 1961, making it 65 years old. It is a cape cod home. The building has 2 stories.

What schools serve 15 Williams St, Arlington, MA?

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

How does 15 Williams St, Arlington, MA compare to other homes in Arlington 02476?

Among the 5,972 homes in Arlington 02476, it is worth more than 46% of them ($1,021,255 against a typical $1,053,908), its price per square foot is higher than 26% of them ($532 against a typical $599), it is bigger than 54% of them (1,920 ft² against a typical 1,843 ft²), its lot is bigger than 14% of them (0.11 ac against a typical 0.15 ac) and it is newer than 78% of them (1961 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 15 Williams St, Arlington, MA?

The 2026 property tax bill for 15 Williams St, Arlington, MA was $9,744. The county assessed it at $913,200.

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