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Single Family ResidenceResidential
$883,782$397 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $810,000 on Nov 30, 2022

420 ANDOVER ST

WILMINGTON, MA 01887
3
Beds
2.5
Baths
2,225 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$884K
$835K low$933K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$810,000 · Nov 30, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,084 (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.$883,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$303,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$580,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$844,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$965,644

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
Lot (acres)The size of the land the home sits on, from county records.0.49
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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, Basement
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(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.

E
Woburn Street Elementary SchoolB+
Elementary · Grades 1–3 · 2.5 mi
H
Wilmington High SchoolB+
High · Grades 9–12 · 3.5 mi
M
Wilmington Middle SchoolB
Middle · Grades 6–8 · 4.4 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

420 Andover 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 77% of homes in Wilmington 01887
  • Costs less per square foot than 70% of homes in Wilmington 01887
  • Bigger than 76% of homes in Wilmington 01887
  • Newer than 95% of homes in Middlesex County

What homes are worth in Wilmington 01887

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

This home
$438K$1.3M

This home is worth more than 77% of homes in Wilmington 01887.

How it measures up in Wilmington 01887

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

Estimated value$883,782
CheaperTypical $722,550Pricier

Pricier than 77% of homes nearby

Price per ft²$397
CheaperTypical $437Pricier

Pricier than 30% of homes nearby

Living area2,225 ft²
SmallerTypical 1,640 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.49 ac
SmallerTypical 0.48 acBigger

Bigger than 50% of homes nearby

Year built2011
OlderTypical 1971Newer

Newer than 92% of homes nearby

How 420 Andover St ranks against every home in each area.
MeasureThis homeWilmington 01887Middlesex County
Estimated valuepricier than$883,78277% of homes61% of homes
Price per ft²pricier than$39730% of homes32% of homes
Living areabigger than2,225 ft²76% of homes65% of homes
Lot sizebigger than0.49 ac50% of homes63% of homes
Year builtnewer than201192% of homes95% of homes

About 420 Andover St

How much is 420 Andover St, Wilmington, MA worth?

The TopHap Estimate for 420 Andover St, Wilmington, MA is $883,782 as of Sep 24, 2026. The likely range is $834,802 to $932,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Andover St, Wilmington, MA last sell?

420 Andover St, Wilmington, MA last sold on Nov 30, 2022 for $810,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 420 Andover St, Wilmington, MA?

420 Andover St, Wilmington, MA has 3 bedrooms, 2.5 bathrooms, 2,225 square feet of living space and a 0.49-acre lot.

When was 420 Andover St, Wilmington, MA built?

420 Andover St, Wilmington, MA was built in 2011, making it 15 years old. It is a cape cod home. The building has 2 stories.

What schools serve 420 Andover St, Wilmington, MA?

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

How does 420 Andover St, Wilmington, MA compare to other homes in Wilmington 01887?

Among the 7,448 homes in Wilmington 01887, it is worth more than 77% of them ($883,782 against a typical $722,550), its price per square foot is higher than 30% of them ($397 against a typical $437), it is bigger than 76% of them (2,225 ft² against a typical 1,640 ft²), its lot is bigger than 50% of them (0.49 ac against a typical 0.48 ac) and it is newer than 92% of them (2011 against a typical 1971). Measured against all of Middlesex County, it is worth more than 61% 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 420 Andover St, Wilmington, MA?

The 2026 property tax bill for 420 Andover St, Wilmington, MA was $10,084. The county assessed it at $883,800.

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