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Single Family ResidenceResidential
$665,939$477 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $625,000 on Oct 11, 2024

21 WEBSTER ST

ANDOVER, MA 01810
2
Beds
1
Baths
1,397 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.
1.82 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$666K
$589K low$743K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · Oct 11, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,891 (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.$631,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$404,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$227,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$618,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$591,850

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.Ranch
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.1.82
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.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
High Plain Elementary SchoolA
Elementary · Grades KG–5 · 1.8 mi
H
Andover High SchoolA+
High · Grades 9–12 · 2.6 mi
M
West Middle SchoolA-
Middle · Grades 6–8 · 2.7 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

21 Webster 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 less than 81% of homes in Andover 01810
  • Costs more per square foot than 82% of homes in Andover 01810
  • Smaller than 84% of homes in Andover 01810
  • Has a bigger lot than 91% of homes in Essex County
  • Older than 79% of homes in Andover 01810

What homes are worth in Andover 01810

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

This home
$296K$2.4M

This home is worth more than 19% 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.

Estimated value$665,939
CheaperTypical $982,825Pricier

Pricier than 19% of homes nearby

Price per ft²$477
CheaperTypical $406Pricier

Pricier than 82% of homes nearby

Living area1,397 ft²
SmallerTypical 2,464 ft²Bigger

Bigger than 16% of homes nearby

Lot size1.82 ac
SmallerTypical 0.76 acBigger

Bigger than 82% of homes nearby

Year built1940
OlderTypical 1969Newer

Newer than 21% of homes nearby

How 21 Webster St ranks against every home in each area.
MeasureThis homeAndover 01810Essex County
Estimated valuepricier than$665,93919% of homes46% of homes
Price per ft²pricier than$47782% of homes73% of homes
Living areabigger than1,397 ft²16% of homes29% of homes
Lot sizebigger than1.82 ac82% of homes91% of homes
Year builtnewer than194021% of homes38% of homes

About 21 Webster St

How much is 21 Webster St, Andover, MA worth?

The TopHap Estimate for 21 Webster St, Andover, MA is $665,939 as of Aug 30, 2026. The likely range is $588,728 to $743,150. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Webster St, Andover, MA last sell?

21 Webster St, Andover, MA last sold on Oct 11, 2024 for $625,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Webster St, Andover, MA?

21 Webster St, Andover, MA has 2 bedrooms, 1 bathrooms, 1,397 square feet of living space and a 1.82-acre lot.

When was 21 Webster St, Andover, MA built?

21 Webster St, Andover, MA was built in 1940, making it 86 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Webster St, Andover, MA?

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

How does 21 Webster St, Andover, MA compare to other homes in Andover 01810?

Among the 11,074 homes in Andover 01810, it is worth more than 19% of them ($665,939 against a typical $982,825), its price per square foot is higher than 82% of them ($477 against a typical $406), it is bigger than 16% of them (1,397 ft² against a typical 2,464 ft²), its lot is bigger than 82% of them (1.82 ac against a typical 0.76 ac) and it is newer than 21% of them (1940 against a typical 1969). Measured against all of Essex County, it is worth more than 46% 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 21 Webster St, Andover, MA?

The 2025 property tax bill for 21 Webster St, Andover, MA was $7,891. The county assessed it at $631,800.

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