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Single Family ResidenceResidential
$312,202$429 / 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 85How 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

20 GREEN RIVER VALLEY RD

GREAT BARRINGTON, MA 01230
1
Beds
1
Baths
728 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$312K
$265K low$359K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,421 (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.$287,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$199,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$88,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$273,100

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
CountyBerkshire
Lot (acres)The size of the land the home sits on, from county records.1.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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
Undermountain ElementaryC
Elementary · Grades PK–6 · 8.5 mi
M
Mt. Everett Regional SchoolB-
Middle · Grades 7–12 · 8.5 mi

District: Southern Berkshire School District

Neighborhood · ZIP 01230These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.58

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.8,376
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,357
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,887
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

20 Green River Valley Rd 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 96% of homes in Great Barrington 01230
  • Costs more per square foot than 90% of homes in Berkshire County
  • Smaller than 98% of homes in Great Barrington 01230
  • Has a bigger lot than 66% of homes in Berkshire County

What homes are worth in Great Barrington 01230

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

This home
$269K$2.5M

This home is worth more than 4% of homes in Great Barrington 01230.

How it measures up in Great Barrington 01230

The dot is this home. The mark in the middle is the typical home in Great Barrington 01230.

Estimated value$312,202
CheaperTypical $654,905Pricier

Pricier than 4% of homes nearby

Price per ft²$429
CheaperTypical $378Pricier

Pricier than 67% of homes nearby

Living area728 ft²
SmallerTypical 1,860 ft²Bigger

Bigger than 2% of homes nearby

Lot size1 ac
SmallerTypical 1.31 acBigger

Bigger than 43% of homes nearby

Year built1950
OlderTypical 1963Newer

Newer than 42% of homes nearby

How 20 Green River Valley Rd ranks against every home in each area.
MeasureThis homeGreat Barrington 01230Berkshire County
Estimated valuepricier than$312,2024% of homes36% of homes
Price per ft²pricier than$42967% of homes90% of homes
Living areabigger than728 ft²2% of homes3% of homes
Lot sizebigger than1 ac43% of homes66% of homes
Year builtnewer than195042% of homes47% of homes

About 20 Green River Valley Rd

How much is 20 Green River Valley Rd, Great Barrington, MA worth?

The TopHap Estimate for 20 Green River Valley Rd, Great Barrington, MA is $312,202 as of Aug 30, 2026. The likely range is $265,181 to $359,223. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Green River Valley Rd, Great Barrington, MA last sell?

20 Green River Valley Rd, Great Barrington, MA last sold on Jun 3, 1988, according to the county's recorded deed.

How big is 20 Green River Valley Rd, Great Barrington, MA?

20 Green River Valley Rd, Great Barrington, MA has 1 bedrooms, 1 bathrooms, 728 square feet of living space and a 1.00-acre lot.

When was 20 Green River Valley Rd, Great Barrington, MA built?

20 Green River Valley Rd, Great Barrington, MA was built in 1950, making it 76 years old. It is a ranch home. The building has 1 story.

What schools serve 20 Green River Valley Rd, Great Barrington, MA?

20 Green River Valley Rd, Great Barrington, MA is assigned to Undermountain Elementary (elementary), rated C; Mt. Everett Regional School (middle), rated B-. All sit in Southern Berkshire School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Green River Valley Rd, Great Barrington, MA compare to other homes in Great Barrington 01230?

Among the 4,687 homes in Great Barrington 01230, it is worth more than 4% of them ($312,202 against a typical $654,905), its price per square foot is higher than 67% of them ($429 against a typical $378), it is bigger than 2% of them (728 ft² against a typical 1,860 ft²), its lot is bigger than 43% of them (1 ac against a typical 1.31 ac) and it is newer than 42% of them (1950 against a typical 1963). Measured against all of Berkshire County, it is worth more than 36% 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 Green River Valley Rd, Great Barrington, MA?

The 2025 property tax bill for 20 Green River Valley Rd, Great Barrington, MA was $1,421. The county assessed it at $287,100.

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