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Single Family ResidenceResidential
$447,856$355 / 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

21 WARREN ST

UPTON, MA 01568
1
Beds
1
Baths
1,260 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$448K
$405K low$491K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,983 (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.$378,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$199,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$179,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$515,660

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.0.34
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.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

E
Memorial Elementary SchoolA
Elementary · Grades PK–4 · 0.4 mi
H
Nipmuc Regional High SchoolB-
High · Grades 9–12 · 1.2 mi
M
Miscoe Hill Middle SchoolB
Middle · Grades 5–8 · 3.6 mi

District: Mendon-Upton School District

Neighborhood · ZIP 01568These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.8,151
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.376 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$139,227
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,465
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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 Warren 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 90% of homes in Upton 01568
  • Costs more per square foot than 74% of homes in Worcester County
  • Smaller than 89% of homes in Upton 01568
  • Has a smaller lot than 94% of homes in Upton 01568
  • Older than 79% of homes in Upton 01568

What homes are worth in Upton 01568

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

This home
$326K$1.1M

This home is worth more than 10% of homes in Upton 01568.

How it measures up in Upton 01568

The dot is this home. The mark in the middle is the typical home in Upton 01568.

Estimated value$447,856
CheaperTypical $666,791Pricier

Pricier than 10% of homes nearby

Price per ft²$355
CheaperTypical $316Pricier

Pricier than 72% of homes nearby

Living area1,260 ft²
SmallerTypical 2,144 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.34 ac
SmallerTypical 1.83 acBigger

Bigger than 6% of homes nearby

Year built1955
OlderTypical 1989Newer

Newer than 21% of homes nearby

How 21 Warren St ranks against every home in each area.
MeasureThis homeUpton 01568Worcester County
Estimated valuepricier than$447,85610% of homes42% of homes
Price per ft²pricier than$35572% of homes74% of homes
Living areabigger than1,260 ft²11% of homes25% of homes
Lot sizebigger than0.34 ac6% of homes37% of homes
Year builtnewer than195521% of homes39% of homes

About 21 Warren St

How much is 21 Warren St, Upton, MA worth?

The TopHap Estimate for 21 Warren St, Upton, MA is $447,856 as of Sep 24, 2026. The likely range is $405,005 to $490,707. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Warren St, Upton, MA last sell?

21 Warren St, Upton, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Warren St, Upton, MA?

21 Warren St, Upton, MA has 1 bedrooms, 1 bathrooms, 1,260 square feet of living space and a 0.34-acre lot.

When was 21 Warren St, Upton, MA built?

21 Warren St, Upton, MA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Warren St, Upton, MA?

21 Warren St, Upton, MA is assigned to Memorial Elementary School (elementary), rated A; Nipmuc Regional High School (high), rated B-; Miscoe Hill Middle School (middle), rated B. All sit in Mendon-Upton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Warren St, Upton, MA compare to other homes in Upton 01568?

Among the 2,793 homes in Upton 01568, it is worth more than 10% of them ($447,856 against a typical $666,791), its price per square foot is higher than 72% of them ($355 against a typical $316), it is bigger than 11% of them (1,260 ft² against a typical 2,144 ft²), its lot is bigger than 6% of them (0.34 ac against a typical 1.83 ac) and it is newer than 21% of them (1955 against a typical 1989). Measured against all of Worcester County, it is worth more than 42% 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 Warren St, Upton, MA?

The 2025 property tax bill for 21 Warren St, Upton, MA was $4,983. The county assessed it at $378,900.

More homes on Warren St

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