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Duplex (2 Units, Any Combination)Residential
Last sold for $121,700 on Mar 19, 2004

21 PROSPECT ST

GREENFIELD, MA 01301
4
Beds
2
Baths
1,604 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.
3,886 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$121,700 · Mar 19, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,583 (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.$234,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$170,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$234,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Two Family
CountyFranklin
Lot (acres)The size of the land the home sits on, from county records.0.09
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.Slate
HeatingThe type of heating system in the home.Forced Air
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Federal Street SchoolB
Elementary · Grades KG–4 · 0.4 mi
M
Greenfield Middle SchoolC+
Middle · Grades 5–7 · 0.7 mi
H
Greenfield High SchoolD-
High · Grades 8–12 · 1.4 mi

District: Greenfield School District

Neighborhood · ZIP 01301These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.18,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.653 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,655
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,249
Average tempThe average temperature here across a full year.46°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.50%

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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 Prospect 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 smallest lots in Greenfield 01301
  • Older than 75% of homes in Franklin County

How it measures up in Greenfield 01301

The dot is this home. The mark in the middle is the typical home in Greenfield 01301.

Living area1,604 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 52% of homes nearby

Lot size3,886 ft²
SmallerTypical 0.31 acBigger

Smaller than almost all homes nearby

Year built1900
OlderTypical 1935Newer

Newer than 31% of homes nearby

How 21 Prospect St ranks against every home in each area.
MeasureThis homeGreenfield 01301Franklin County
Living areabigger than1,604 ft²52% of homes49% of homes
Lot sizebigger than3,886 ft²almost no homesalmost no homes
Year builtnewer than190031% of homes25% of homes

About 21 Prospect St

When did 21 Prospect St, Greenfield, MA last sell?

21 Prospect St, Greenfield, MA last sold on Mar 19, 2004 for $121,700, according to the county's recorded deed.

How big is 21 Prospect St, Greenfield, MA?

21 Prospect St, Greenfield, MA has 4 bedrooms, 2 bathrooms, 1,604 square feet of living space and a 0.09-acre lot.

When was 21 Prospect St, Greenfield, MA built?

21 Prospect St, Greenfield, MA was built in 1900, making it 126 years old. It is a two family home. The building has 2 stories.

What schools serve 21 Prospect St, Greenfield, MA?

21 Prospect St, Greenfield, MA is assigned to Federal Street School (elementary), rated B; Greenfield Middle School (middle), rated C+; Greenfield High School (high), rated D-. All sit in Greenfield School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Prospect St, Greenfield, MA compare to other homes in Greenfield 01301?

Among the 5,439 homes in Greenfield 01301, it is bigger than 52% of them (1,604 ft² against a typical 1,568 ft²), its lot is bigger than almost none of them (3,886 ft² against a typical 0.31 ac) and it is newer than 31% of them (1900 against a typical 1935). 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 Prospect St, Greenfield, MA?

The 2025 property tax bill for 21 Prospect St, Greenfield, MA was $4,583. The county assessed it at $234,300.

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