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CondominiumResidential
$526,204$405 / 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 95How 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 $243,900 on Aug 30, 2004

21 GREEN ST

SALEM, MA 01970
Building report
2
Beds
1
Baths
1,300 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$526K
$502K low$550K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$243,900 · Aug 30, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,916 (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.$433,500 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$433,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$443,365

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.71%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.11
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.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Saltonstall SchoolC+
Elementary · Grades KG–8 · 0.2 mi
H
Salem Preparatory High School
High · Grades 9–12 · 0.8 mi

District: Salem School District

Neighborhood · ZIP 01970These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.87

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.44,728
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,443 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,271
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,638
Average tempThe average temperature here across a full year.50°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 Green 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 78% of homes in Essex County
  • Smaller than 76% of homes in Essex County
  • Has a smaller lot than 86% of homes in Essex County
  • Newer than 75% of homes in South Salem

What homes are worth in Salem 01970

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

This home
$304K$1.2M

This home is worth more than 30% of homes in Salem 01970.

How it measures up in Salem 01970

The dot is this home. The mark in the middle is the typical home in Salem 01970.

Estimated value$526,204
CheaperTypical $610,374Pricier

Pricier than 30% of homes nearby

Price per ft²$405
CheaperTypical $421Pricier

Pricier than 44% of homes nearby

Living area1,300 ft²
SmallerTypical 1,655 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.11 ac
SmallerTypical 0.13 acBigger

Bigger than 37% of homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 53% of homes nearby

How 21 Green St ranks against every home in each area.
MeasureThis homeSouth SalemSalem 01970Essex County
Estimated valuepricier than$526,20438% of homes30% of homes22% of homes
Price per ft²pricier than$40541% of homes44% of homes50% of homes
Living areabigger than1,300 ft²32% of homes30% of homes24% of homes
Lot sizebigger than0.11 ac40% of homes37% of homes14% of homes
Year builtnewer than192075% of homes53% of homes30% of homes

About 21 Green St

How much is 21 Green St, Salem, MA worth?

The TopHap Estimate for 21 Green St, Salem, MA is $526,204 as of Aug 30, 2026. The likely range is $501,927 to $550,481. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Green St, Salem, MA last sell?

21 Green St, Salem, MA last sold on Aug 30, 2004 for $243,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Green St, Salem, MA?

21 Green St, Salem, MA has 2 bedrooms, 1 bathrooms, 1,300 square feet of living space and a 0.11-acre lot.

When was 21 Green St, Salem, MA built?

21 Green St, Salem, MA was built in 1920, making it 106 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 21 Green St, Salem, MA?

21 Green St, Salem, MA is assigned to Saltonstall School (elementary), rated C+; Salem Preparatory High School (high). All sit in Salem School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Green St, Salem, MA compare to other homes in Salem 01970?

Among the 12,071 homes in Salem 01970, it is worth more than 30% of them ($526,204 against a typical $610,374), its price per square foot is higher than 44% of them ($405 against a typical $421), it is bigger than 30% of them (1,300 ft² against a typical 1,655 ft²), its lot is bigger than 37% of them (0.11 ac against a typical 0.13 ac) and it is newer than 53% of them (1920 against a typical 1920). Measured against all of Essex County, it is worth more than 22% 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 Green St, Salem, MA?

The 2025 property tax bill for 21 Green St, Salem, MA was $4,916. The county assessed it at $433,500.

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