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CondominiumResidential
$1,447,259$457 / 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 93How 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 $926,000 on Nov 17, 2017

12 PARK ST

ARLINGTON, MA 02474
4
Beds
2.5
Baths
3,166 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
7
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

$1.4M
$1.3M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$926,000 · Nov 17, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,064 (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.$1,130,600 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,130,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,071,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,193,483

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMIDDLESEX
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.Central
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

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
Thompson Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
H
Arlington High SchoolA+
High · Grades 9–12 · 0.9 mi
M
Ottoson Middle SchoolA+
Middle · Grades 7–8 · 1.7 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.28,960
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,757 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,066
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,393
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

12 Park 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 88% of homes in Middlesex County
  • Costs less per square foot than 90% of homes in Arlington 02474
  • Bigger than 90% of homes in Arlington 02474
  • Has a bigger lot than 72% of homes in Arlington 02474
  • Newer than 95% of homes in Arlington 02474

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
$337K$2.1M

This home is worth more than 87% 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$1,447,259
CheaperTypical $1,017,264Pricier

Pricier than 87% of homes nearby

Price per ft²$457
CheaperTypical $580Pricier

Pricier than 10% of homes nearby

Living area3,166 ft²
SmallerTypical 1,980 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.18 ac
SmallerTypical 0.14 acBigger

Bigger than 72% of homes nearby

Year built2007
OlderTypical 1932Newer

Newer than 95% of homes nearby

How 12 Park St ranks against every home in each area.
MeasureThis homeArlington 02474Middlesex County
Estimated valuepricier than$1,447,25987% of homes88% of homes
Price per ft²pricier than$45710% of homes50% of homes
Living areabigger than3,166 ft²90% of homes88% of homes
Lot sizebigger than0.18 ac72% of homes32% of homes
Year builtnewer than200795% of homes93% of homes

About 12 Park St

How much is 12 Park St, Arlington, MA worth?

The TopHap Estimate for 12 Park St, Arlington, MA is $1,447,259 as of Oct 21, 2026. The likely range is $1,339,121 to $1,555,397. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Park St, Arlington, MA last sell?

12 Park St, Arlington, MA last sold on Nov 17, 2017 for $926,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12 Park St, Arlington, MA?

12 Park St, Arlington, MA has 4 bedrooms, 2.5 bathrooms and 3,166 square feet of living space.

When was 12 Park St, Arlington, MA built?

12 Park St, Arlington, MA was built in 2007, making it 19 years old. The building has 3 stories.

What schools serve 12 Park St, Arlington, MA?

12 Park 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 12 Park St, Arlington, MA compare to other homes in Arlington 02474?

Among the 8,570 homes in Arlington 02474, it is worth more than 87% of them ($1,447,259 against a typical $1,017,264), its price per square foot is higher than 10% of them ($457 against a typical $580), it is bigger than 90% of them (3,166 ft² against a typical 1,980 ft²), its lot is bigger than 72% of them (0.18 ac against a typical 0.14 ac) and it is newer than 95% of them (2007 against a typical 1932). Measured against all of Middlesex 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 12 Park St, Arlington, MA?

The 2026 property tax bill for 12 Park St, Arlington, MA was $12,064. The county assessed it at $1,130,600.

More homes on Park St

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Assigned schools

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