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Single Family ResidenceResidential
$218,684$150 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $85,000 on Dec 17, 2010

20 RIVER ST

GREENFIELD, MA 01301
4
Beds
1
Baths
1,456 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.
0.77 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
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

$219K
$214K low$223K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$85,000 · Dec 17, 2010
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$116,184
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$92,947
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.45%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$77,500
GREENFIELD SAVINGS BANK · recorded Jan 29, 2016
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$25,000
GREENFIELD SAVINGS BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,262 (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.$217,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$166,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$217,900

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

Scores 0–100; higher = greater projected risk.

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.0.77
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(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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Newton SchoolC
Elementary · Grades KG–4 · 0.4 mi
M
Greenfield Middle SchoolC+
Middle · Grades 5–7 · 1.0 mi
H
Greenfield High SchoolD-
High · Grades 8–12 · 1.7 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

20 River 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 93% of homes in Franklin County
  • Costs less per square foot than 94% of homes in Franklin County
  • Has a bigger lot than 80% of homes in Greenfield 01301
  • Older than 98% 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
$167K$612K

This home is worth more than 10% 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$218,684
CheaperTypical $312,637Pricier

Pricier than 10% of homes nearby

Price per ft²$150
CheaperTypical $215Pricier

Pricier than 8% of homes nearby

Living area1,456 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.77 ac
SmallerTypical 0.31 acBigger

Bigger than 80% of homes nearby

Year built1850
OlderTypical 1934Newer

Newer than 2% of homes nearby

How 20 River St ranks against every home in each area.
MeasureThis homeGreenfield 01301Franklin County
Estimated valuepricier than$218,68410% of homes7% of homes
Price per ft²pricier than$1508% of homes6% of homes
Living areabigger than1,456 ft²42% of homes39% of homes
Lot sizebigger than0.77 ac80% of homes44% of homes
Year builtnewer than18502% of homes7% of homes

About 20 River St

How much is 20 River St, Greenfield, MA worth?

The TopHap Estimate for 20 River St, Greenfield, MA is $218,684 as of Jul 14, 2026. The likely range is $214,401 to $222,967. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 River St, Greenfield, MA last sell?

20 River St, Greenfield, MA last sold on Dec 17, 2010 for $85,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 River St, Greenfield, MA?

20 River St, Greenfield, MA has 4 bedrooms, 1 bathrooms, 1,456 square feet of living space and a 0.77-acre lot.

When was 20 River St, Greenfield, MA built?

20 River St, Greenfield, MA was built in 1850, making it 176 years old. The building has 2 stories.

What schools serve 20 River St, Greenfield, MA?

20 River St, Greenfield, MA is assigned to Newton School (elementary), rated C; 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 20 River St, Greenfield, MA compare to other homes in Greenfield 01301?

Among the 5,439 homes in Greenfield 01301, it is worth more than 10% of them ($218,684 against a typical $312,637), its price per square foot is higher than 8% of them ($150 against a typical $215), it is bigger than 42% of them (1,456 ft² against a typical 1,568 ft²), its lot is bigger than 80% of them (0.77 ac against a typical 0.31 ac) and it is newer than 2% of them (1850 against a typical 1934). Measured against all of Franklin County, it is worth more than 7% 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 20 River St, Greenfield, MA?

The 2025 property tax bill for 20 River St, Greenfield, MA was $4,262. The county assessed it at $217,900.

More homes on River St

Closest homes

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Assigned schools

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