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Single Family ResidenceResidential
$663,391$323 / 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 89How 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 $620,000 on Jul 31, 2025

421 SOUTH ST

AUBURN, MA 01501
3
Beds
2.5
Baths
2,056 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.
1.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
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

$663K
$590K low$736K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$620,000 · Jul 31, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,575 (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.$600,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$128,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$471,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$652,460

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.Raised Ranch
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.23
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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.

M
Auburn Middle SchoolB
Middle · Grades 6–8 · 2.3 mi
H
Auburn Senior High SchoolC+
High · Grades 9–12 · 3.1 mi
E
Pakachoag School
Elementary · Grades KG–2 · 4.4 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

421 South 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 more than 92% of homes in Auburn 01501
  • Bigger than 82% of homes in Auburn 01501
  • Has a bigger lot than 90% of homes in Auburn 01501
  • Newer than 75% 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
$243K$830K

This home is worth more than 92% 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$663,391
CheaperTypical $449,565Pricier

Pricier than 92% of homes nearby

Price per ft²$323
CheaperTypical $316Pricier

Pricier than 54% of homes nearby

Living area2,056 ft²
SmallerTypical 1,416 ft²Bigger

Bigger than 82% of homes nearby

Lot size1.23 ac
SmallerTypical 0.35 acBigger

Bigger than 90% of homes nearby

Year built1984
OlderTypical 1955Newer

Newer than 75% of homes nearby

How 421 South St ranks against every home in each area.
MeasureThis homeAuburn 01501Worcester County
Estimated valuepricier than$663,39192% of homes79% of homes
Price per ft²pricier than$32354% of homes59% of homes
Living areabigger than2,056 ft²82% of homes66% of homes
Lot sizebigger than1.23 ac90% of homes74% of homes
Year builtnewer than198475% of homes63% of homes

About 421 South St

How much is 421 South St, Auburn, MA worth?

The TopHap Estimate for 421 South St, Auburn, MA is $663,391 as of Sep 24, 2026. The likely range is $590,465 to $736,317. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 South St, Auburn, MA last sell?

421 South St, Auburn, MA last sold on Jul 31, 2025 for $620,000, according to the county's recorded deed.

How big is 421 South St, Auburn, MA?

421 South St, Auburn, MA has 3 bedrooms, 2.5 bathrooms, 2,056 square feet of living space and a 1.23-acre lot.

When was 421 South St, Auburn, MA built?

421 South St, Auburn, MA was built in 1984, making it 42 years old. It is a raised ranch home. The building has 1 story.

What schools serve 421 South St, Auburn, MA?

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

How does 421 South St, Auburn, MA compare to other homes in Auburn 01501?

Among the 5,847 homes in Auburn 01501, it is worth more than 92% of them ($663,391 against a typical $449,565), its price per square foot is higher than 54% of them ($323 against a typical $316), it is bigger than 82% of them (2,056 ft² against a typical 1,416 ft²), its lot is bigger than 90% of them (1.23 ac against a typical 0.35 ac) and it is newer than 75% of them (1984 against a typical 1955). Measured against all of Worcester County, it is worth more than 79% 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 421 South St, Auburn, MA?

The 2025 property tax bill for 421 South St, Auburn, MA was $8,575. The county assessed it at $600,100.

More homes on South St

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Assigned schools

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