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Single Family ResidenceResidential
$357,565$274 / 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 97How 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 $180,000 on May 18, 2018

21 GREEN ST

AUBURN, MA 01501
3
Beds
2 / 1
Baths
1,306 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$358K
$345K low$370K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$180,000 · May 18, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,573 (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.$320,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$117,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$202,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$320,000

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
CountyWorcester
Lot (acres)The size of the land the home sits on, from county records.0.51
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes

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

E
Bryn Mawr
Elementary · Grades KG–2 · 0.3 mi
H
Auburn Senior High SchoolC+
High · Grades 9–12 · 0.6 mi
M
Auburn Middle SchoolB
Middle · Grades 6–8 · 2.0 mi

District: Auburn School District

Neighborhood · ZIP 01501These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.17,276
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,061 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,092
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,349
Average tempThe average temperature here across a full year.47°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

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 86% of homes in Auburn 01501
  • Costs less per square foot than 77% of homes in Auburn 01501
  • Smaller than 72% of homes in Worcester County
  • Has a bigger lot than 70% of homes in Auburn 01501

What homes are worth in Auburn 01501

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

This home
$256K$832K

This home is worth more than 14% of homes in Auburn 01501.

How it measures up in Auburn 01501

The dot is this home. The mark in the middle is the typical home in Auburn 01501.

Estimated value$357,565
CheaperTypical $450,370Pricier

Pricier than 14% of homes nearby

Price per ft²$274
CheaperTypical $316Pricier

Pricier than 23% of homes nearby

Living area1,306 ft²
SmallerTypical 1,414 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.51 ac
SmallerTypical 0.36 acBigger

Bigger than 70% of homes nearby

Year built1960
OlderTypical 1955Newer

Newer than 56% of homes nearby

How 21 Green St ranks against every home in each area.
MeasureThis homeAuburn 01501Worcester County
Estimated valuepricier than$357,56514% of homes18% of homes
Price per ft²pricier than$27423% of homes32% of homes
Living areabigger than1,306 ft²39% of homes28% of homes
Lot sizebigger than0.51 ac70% of homes52% of homes
Year builtnewer than196056% of homes44% of homes

About 21 Green St

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

The TopHap Estimate for 21 Green St, Auburn, MA is $357,565 as of Sep 24, 2026. The likely range is $345,162 to $369,968. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

21 Green St, Auburn, MA last sold on May 18, 2018 for $180,000, according to the county's recorded deed.

How big is 21 Green St, Auburn, MA?

21 Green St, Auburn, MA has 3 bedrooms, 2 bathrooms, 1,306 square feet of living space and a 0.51-acre lot.

When was 21 Green St, Auburn, MA built?

21 Green St, Auburn, MA was built in 1960, making it 66 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Green St, Auburn, MA?

21 Green St, Auburn, MA is assigned to Bryn Mawr (elementary); Auburn Senior High School (high), rated C+; Auburn Middle School (middle), rated B. All sit in Auburn School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Green St, Auburn, MA compare to other homes in Auburn 01501?

Among the 5,847 homes in Auburn 01501, it is worth more than 14% of them ($357,565 against a typical $450,370), its price per square foot is higher than 23% of them ($274 against a typical $316), it is bigger than 39% of them (1,306 ft² against a typical 1,414 ft²), its lot is bigger than 70% of them (0.51 ac against a typical 0.36 ac) and it is newer than 56% of them (1960 against a typical 1955). Measured against all of Worcester County, it is worth more than 18% 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, Auburn, MA?

The 2025 property tax bill for 21 Green St, Auburn, MA was $4,573. The county assessed it at $320,000.

More homes on Green St

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