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Single Family ResidenceResidential
$268,264$109 / 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 90How 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 $30,000 on Dec 1, 1979

21 GRINNELL ST

GREENFIELD, MA 01301
4
Beds
2.5
Baths
2,464 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1896
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

$268K
$243K low$294K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Dec 1, 1979

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,791 (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.$364,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$295,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$396,394

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFRANKLIN
Lot (acres)The size of the land the home sits on, from county records.0.22
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.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

E
Federal Street SchoolD
Elementary · Grades KG–4 · 0.5 mi
M
Greenfield Middle SchoolD
Middle · Grades 5–7 · 0.8 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 Grinnell 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 Franklin County
  • Among the lowest price per square foot in Greenfield 01301
  • Bigger than 86% of homes in Greenfield 01301
  • Has a smaller lot than 88% of homes in Franklin County
  • Older than 93% of homes in Greenfield 01301

What homes are worth in Greenfield 01301

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

This home
$163K$611K

This home is worth more than 30% of homes in Greenfield 01301.

How it measures up in Greenfield 01301

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

Estimated value$268,264
CheaperTypical $312,216Pricier

Pricier than 30% of homes nearby

Price per ft²$109
CheaperTypical $215Pricier

Cheaper than almost all homes nearby

Living area2,464 ft²
SmallerTypical 1,564 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.22 ac
SmallerTypical 0.31 acBigger

Bigger than 30% of homes nearby

Year built1896
OlderTypical 1935Newer

Newer than 7% of homes nearby

How 21 Grinnell St ranks against every home in each area.
MeasureThis homeGreenfield 01301Franklin County
Estimated valuepricier than$268,26430% of homes19% of homes
Price per ft²pricier than$109almost no homesalmost no homes
Living areabigger than2,464 ft²86% of homes83% of homes
Lot sizebigger than0.22 ac30% of homes12% of homes
Year builtnewer than18967% of homes14% of homes

About 21 Grinnell St

How much is 21 Grinnell St, Greenfield, MA worth?

The TopHap Estimate for 21 Grinnell St, Greenfield, MA is $268,264 as of Sep 24, 2026. The likely range is $242,733 to $293,795. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

21 Grinnell St, Greenfield, MA last sold on Dec 1, 1979 for $30,000, according to the county's recorded deed.

How big is 21 Grinnell St, Greenfield, MA?

21 Grinnell St, Greenfield, MA has 4 bedrooms, 2.5 bathrooms, 2,464 square feet of living space and a 0.22-acre lot.

When was 21 Grinnell St, Greenfield, MA built?

21 Grinnell St, Greenfield, MA was built in 1896, making it 130 years old. The building has 2 stories.

What schools serve 21 Grinnell St, Greenfield, MA?

21 Grinnell St, Greenfield, MA is assigned to Federal Street School (elementary), rated D; Greenfield Middle School (middle), rated D; 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 Grinnell St, Greenfield, MA compare to other homes in Greenfield 01301?

Among the 5,440 homes in Greenfield 01301, it is worth more than 30% of them ($268,264 against a typical $312,216), its price per square foot is higher than almost none of them ($109 against a typical $215), it is bigger than 86% of them (2,464 ft² against a typical 1,564 ft²), its lot is bigger than 30% of them (0.22 ac against a typical 0.31 ac) and it is newer than 7% of them (1896 against a typical 1935). Measured against all of Franklin County, it is worth more than 19% 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 Grinnell St, Greenfield, MA?

The 2026 property tax bill for 21 Grinnell St, Greenfield, MA was $6,791. The county assessed it at $364,300.

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