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Governmental / Public Use (General)Public Works
Last sold for $1,251 on Jan 24, 1997

21 ANDOVER RD

BILLERICA, MA 01821
0
Baths
3.8 ac
Lot SizeThe size of the land the home sits on, from county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,251 · Jan 24, 1997

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$396,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$385,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$358,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Governmental / Public Use (General)
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.3.80
HeatingThe type of heating system in the home.None
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Billerica Memorial High SchoolC
High · Grades 8–12 · 0.4 mi
M
Marshall Middle SchoolB-
Middle · Grades 5–7 · 0.8 mi
E
John F KennedyB+
Elementary · Grades KG–4 · 1.8 mi

District: Billerica School District

Neighborhood · ZIP 01821These 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.40
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
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.31,495
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,857 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,460
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,991
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

21 Andover Rd 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 bigger lot than 93% of homes in Billerica 01821

How it measures up in Billerica 01821

The dot is this home. The mark in the middle is the typical home in Billerica 01821.

Lot size3.8 ac
SmallerTypical 0.57 acBigger

Bigger than 93% of homes nearby

How 21 Andover Rd ranks against every home in each area.
MeasureThis homeBillerica 01821Middlesex County
Lot sizebigger than3.8 ac93% of homes93% of homes

More homes on Andover Rd

Closest homes

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Assigned schools

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Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map