Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,027,488$298 / 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 $621,500 on Apr 3, 2003

141 BLACKSTONE ST

MENDON, MA 01756
4
Beds
4
Baths
3,452 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.
3.37 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$912K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$621,500 · Apr 3, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,155 (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.$907,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$172,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$735,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,101,335

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.3.37
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
CoolingThe type of cooling or air conditioning in the home.Yes
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(3)

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 · 2.2 mi
M
Miscoe Hill Middle SchoolB
Middle · Grades 5–8 · 3.7 mi
H
Nipmuc Regional High SchoolB-
High · Grades 9–12 · 6.4 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%

Owner Tools

Do you own this home?
Claim this home

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

141 Blackstone 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 96% of homes in Worcester County
  • Costs less per square foot than 72% of homes in Mendon 01756
  • Bigger than 94% of homes in Worcester County
  • Has a bigger lot than 89% of homes in Worcester County
  • Newer than 86% 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
$362K$1.2M

This home is worth more than 93% 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$1,027,488
CheaperTypical $712,542Pricier

Pricier than 93% of homes nearby

Price per ft²$298
CheaperTypical $328Pricier

Pricier than 28% of homes nearby

Living area3,452 ft²
SmallerTypical 2,228 ft²Bigger

Bigger than 93% of homes nearby

Lot size3.37 ac
SmallerTypical 1.4 acBigger

Bigger than 86% of homes nearby

Year built2002
OlderTypical 1987Newer

Newer than 83% of homes nearby

How 141 Blackstone St ranks against every home in each area.
MeasureThis homeMendon 01756Worcester County
Estimated valuepricier than$1,027,48893% of homes96% of homes
Price per ft²pricier than$29828% of homes45% of homes
Living areabigger than3,452 ft²93% of homes94% of homes
Lot sizebigger than3.37 ac86% of homes89% of homes
Year builtnewer than200283% of homes86% of homes

About 141 Blackstone St

How much is 141 Blackstone St, Mendon, MA worth?

The TopHap Estimate for 141 Blackstone St, Mendon, MA is $1,027,488 as of Sep 24, 2026. The likely range is $912,145 to $1,142,831. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 141 Blackstone St, Mendon, MA last sell?

141 Blackstone St, Mendon, MA last sold on Apr 3, 2003 for $621,500, according to the county's recorded deed.

How big is 141 Blackstone St, Mendon, MA?

141 Blackstone St, Mendon, MA has 4 bedrooms, 4 bathrooms, 3,452 square feet of living space and a 3.37-acre lot.

When was 141 Blackstone St, Mendon, MA built?

141 Blackstone St, Mendon, MA was built in 2002, making it 24 years old. It is a colonial home. The building has 2 stories.

What schools serve 141 Blackstone St, Mendon, MA?

141 Blackstone 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 141 Blackstone St, Mendon, MA compare to other homes in Mendon 01756?

Among the 2,161 homes in Mendon 01756, it is worth more than 93% of them ($1,027,488 against a typical $712,542), its price per square foot is higher than 28% of them ($298 against a typical $328), it is bigger than 93% of them (3,452 ft² against a typical 2,228 ft²), its lot is bigger than 86% of them (3.37 ac against a typical 1.4 ac) and it is newer than 83% of them (2002 against a typical 1987). Measured against all of Worcester County, it is worth more than 96% 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 141 Blackstone St, Mendon, MA?

The 2025 property tax bill for 141 Blackstone St, Mendon, MA was $12,155. The county assessed it at $907,800.

More homes on Blackstone St

Closest homes

More homes in Mendon 01756

Assigned schools

Explore the area

See this home in context

Open 141 Blackstone St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map