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Office BuildingCommercial

12 BAY ST

WILMINGTON, MA 01887
2
Baths
15,600 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.
1.03 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$38,126 (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.$1,424,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$280,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,144,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,424,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Office Building
StyleThe architectural style of the home, such as ranch or colonial.High Rise
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.1.03
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Forced Air
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.No Garage
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.

H
Wilmington High SchoolB+
High · Grades 9–12 · 1.1 mi
M
Wilmington Middle SchoolB
Middle · Grades 6–8 · 1.8 mi
E
Woburn Street Elementary SchoolB+
Elementary · Grades 1–3 · 1.9 mi

District: Wilmington School District

Neighborhood · ZIP 01887These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.86

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.23,780
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,404 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$153,014
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,128
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 Bay 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.

  • Among the largest homes in Wilmington 01887
  • Has a bigger lot than 89% of homes in Wilmington 01887
  • Newer than 82% of homes in Middlesex County

How it measures up in Wilmington 01887

The dot is this home. The mark in the middle is the typical home in Wilmington 01887.

Living area15,600 ft²
SmallerTypical 1,644 ft²Bigger

Bigger than almost all homes nearby

Lot size1.03 ac
SmallerTypical 0.48 acBigger

Bigger than 89% of homes nearby

Year built1990
OlderTypical 1971Newer

Newer than 69% of homes nearby

How 12 Bay St ranks against every home in each area.
MeasureThis homeWilmington 01887Middlesex County
Living areabigger than15,600 ft²almost all homesalmost all homes
Lot sizebigger than1.03 ac89% of homes80% of homes
Year builtnewer than199069% of homes82% of homes

About 12 Bay St

When did 12 Bay St, Wilmington, MA last sell?

12 Bay St, Wilmington, MA last sold on Jan 9, 1998, according to the county's recorded deed.

How big is 12 Bay St, Wilmington, MA?

12 Bay St, Wilmington, MA has 2 bathrooms, 15,600 square feet of living space and a 1.03-acre lot.

When was 12 Bay St, Wilmington, MA built?

12 Bay St, Wilmington, MA was built in 1990, making it 36 years old. It is a high rise home. The building has 2 stories.

What schools serve 12 Bay St, Wilmington, MA?

12 Bay St, Wilmington, MA is assigned to Wilmington High School (high), rated B+; Wilmington Middle School (middle), rated B; Woburn Street Elementary School (elementary), rated B+. All sit in Wilmington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Bay St, Wilmington, MA compare to other homes in Wilmington 01887?

Among the 7,448 homes in Wilmington 01887, it is bigger than almost all of them (15,600 ft² against a typical 1,644 ft²), its lot is bigger than 89% of them (1.03 ac against a typical 0.48 ac) and it is newer than 69% of them (1990 against a typical 1971). 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 Bay St, Wilmington, MA?

The 2025 property tax bill for 12 Bay St, Wilmington, MA was $38,126. The county assessed it at $1,424,200.

More homes on Bay St

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Assigned schools

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