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Single Family ResidenceResidential
$642,863$340 / 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 96How 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
Last sold for $485,000 on Sep 9, 2020

21 ASYLUM ST

MENDON, MA 01756
3
Beds
2.5
Baths
1,888 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.
1.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$643K
$620K low$666K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Sep 9, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,454 (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.$556,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$167,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$389,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$636,405

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.Colonial
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.98
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.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.

E
Henry P. Clough Elementary SchoolC+
Elementary · Grades PK–4 · 2.5 mi
M
Miscoe Hill Middle SchoolB
Middle · Grades 5–8 · 3.6 mi
H
Nipmuc Regional High SchoolB-
High · Grades 9–12 · 5.9 mi

District: Mendon-Upton School District

Neighborhood · ZIP 01756These 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.36
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.64

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
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.6,409
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.357 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,573
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,057
Average tempThe average temperature here across a full year.48°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 Asylum 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 77% of homes in Worcester County
  • Costs more per square foot than 68% of homes in Worcester County
  • Smaller than 66% of homes in Mendon 01756
  • Has a bigger lot than 82% of homes in Worcester County
  • Newer than 78% of homes in Worcester County

What homes are worth in Mendon 01756

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

This home
$349K$1.2M

This home is worth more than 38% of homes in Mendon 01756.

How it measures up in Mendon 01756

The dot is this home. The mark in the middle is the typical home in Mendon 01756.

Estimated value$642,863
CheaperTypical $707,587Pricier

Pricier than 38% of homes nearby

Price per ft²$340
CheaperTypical $325Pricier

Pricier than 63% of homes nearby

Living area1,888 ft²
SmallerTypical 2,224 ft²Bigger

Bigger than 34% of homes nearby

Lot size1.98 ac
SmallerTypical 1.4 acBigger

Bigger than 71% of homes nearby

Year built1995
OlderTypical 1987Newer

Newer than 65% of homes nearby

How 21 Asylum St ranks against every home in each area.
MeasureThis homeMendon 01756Worcester County
Estimated valuepricier than$642,86338% of homes77% of homes
Price per ft²pricier than$34063% of homes68% of homes
Living areabigger than1,888 ft²34% of homes59% of homes
Lot sizebigger than1.98 ac71% of homes82% of homes
Year builtnewer than199565% of homes78% of homes

About 21 Asylum St

How much is 21 Asylum St, Mendon, MA worth?

The TopHap Estimate for 21 Asylum St, Mendon, MA is $642,863 as of Aug 30, 2026. The likely range is $619,512 to $666,214. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Asylum St, Mendon, MA last sell?

21 Asylum St, Mendon, MA last sold on Sep 9, 2020 for $485,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Asylum St, Mendon, MA?

21 Asylum St, Mendon, MA has 3 bedrooms, 2.5 bathrooms, 1,888 square feet of living space and a 1.98-acre lot.

When was 21 Asylum St, Mendon, MA built?

21 Asylum St, Mendon, MA was built in 1995, making it 31 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Asylum St, Mendon, MA?

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

How does 21 Asylum St, Mendon, MA compare to other homes in Mendon 01756?

Among the 2,161 homes in Mendon 01756, it is worth more than 38% of them ($642,863 against a typical $707,587), its price per square foot is higher than 63% of them ($340 against a typical $325), it is bigger than 34% of them (1,888 ft² against a typical 2,224 ft²), its lot is bigger than 71% of them (1.98 ac against a typical 1.4 ac) and it is newer than 65% of them (1995 against a typical 1987). Measured against all of Worcester County, it is worth more than 77% 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 Asylum St, Mendon, MA?

The 2025 property tax bill for 21 Asylum St, Mendon, MA was $7,454. The county assessed it at $556,700.

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