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CondominiumResidential
Last sold for $780,000 on Nov 21, 2024

12 WILLIAM ST

ANDOVER, MA 01810
4
Beds
1.5
Baths
2,165 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$780,000 · Nov 21, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,263 (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.$581,500 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$581,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$522,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$738,055

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyESSEX
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.Steam
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.

M
West Middle SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Andover High SchoolA
High · Grades 9–12 · 1.2 mi
E
West Elementary SchoolA-
Elementary · Grades KG–5 · 1.2 mi

District: Andover School District

Neighborhood · ZIP 01810These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.37,155
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,160 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$155,617
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$207,356
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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 William 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.

  • Has a smaller lot than 93% of homes in Andover 01810
  • Older than 83% of homes in Andover 01810

How it measures up in Andover 01810

The dot is this home. The mark in the middle is the typical home in Andover 01810.

Living area2,165 ft²
SmallerTypical 2,446 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.21 ac
SmallerTypical 0.76 acBigger

Bigger than 7% of homes nearby

Year built1927
OlderTypical 1969Newer

Newer than 17% of homes nearby

How 12 William St ranks against every home in each area.
MeasureThis homeAndover 01810Essex County
Living areabigger than2,165 ft²39% of homes63% of homes
Lot sizebigger than0.21 ac7% of homes41% of homes
Year builtnewer than192717% of homes33% of homes

About 12 William St

When did 12 William St, Andover, MA last sell?

12 William St, Andover, MA last sold on Nov 21, 2024 for $780,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12 William St, Andover, MA?

12 William St, Andover, MA has 4 bedrooms, 1.5 bathrooms and 2,165 square feet of living space.

When was 12 William St, Andover, MA built?

12 William St, Andover, MA was built in 1927, making it 99 years old. The building has 2 stories.

What schools serve 12 William St, Andover, MA?

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

How does 12 William St, Andover, MA compare to other homes in Andover 01810?

Among the 11,074 homes in Andover 01810, it is bigger than 39% of them (2,165 ft² against a typical 2,446 ft²), its lot is bigger than 7% of them (0.21 ac against a typical 0.76 ac) and it is newer than 17% of them (1927 against a typical 1969). 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 William St, Andover, MA?

The 2025 property tax bill for 12 William St, Andover, MA was $7,263. The county assessed it at $581,500.

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Assigned schools

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