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Single Family ResidenceResidential
$919,900$334 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $750,000 on Dec 13, 2021

145 W RIVER ST

UPTON, MA 01568
2
Beds
1.5
Baths
2,756 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.
5.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$920K
$835K low$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.$750,000 · Dec 13, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,021 (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.$686,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$288,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$398,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$886,065

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.51
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
44
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

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.5.51
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.Electric
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(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.

H
Nipmuc Regional High SchoolB-
High · Grades 9–12 · 1.2 mi
E
Memorial Elementary SchoolA
Elementary · Grades PK–4 · 2.0 mi
M
Miscoe Hill Middle SchoolB
Middle · Grades 5–8 · 2.5 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%

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

145 W River 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 94% of homes in Worcester County
  • Costs more per square foot than 74% of homes in Upton 01568
  • Bigger than 86% of homes in Worcester County
  • Has a bigger lot than 93% of homes in Worcester County
  • Older than 69% 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
$317K$1.1M

This home is worth more than 92% 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$919,900
CheaperTypical $627,132Pricier

Pricier than 92% of homes nearby

Price per ft²$334
CheaperTypical $293Pricier

Pricier than 74% of homes nearby

Living area2,756 ft²
SmallerTypical 2,144 ft²Bigger

Bigger than 76% of homes nearby

Lot size5.51 ac
SmallerTypical 1.83 acBigger

Bigger than 85% of homes nearby

Year built1973
OlderTypical 1989Newer

Newer than 31% of homes nearby

How 145 W River St ranks against every home in each area.
MeasureThis homeUpton 01568Worcester County
Estimated valuepricier than$919,90092% of homes94% of homes
Price per ft²pricier than$33474% of homes64% of homes
Living areabigger than2,756 ft²76% of homes86% of homes
Lot sizebigger than5.51 ac85% of homes93% of homes
Year builtnewer than197331% of homes55% of homes

About 145 W River St

How much is 145 W River St, Upton, MA worth?

The TopHap Estimate for 145 W River St, Upton, MA is $919,900 as of Jul 14, 2026. The likely range is $835,443 to $1,004,357. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 145 W River St, Upton, MA last sell?

145 W River St, Upton, MA last sold on Dec 13, 2021 for $750,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 145 W River St, Upton, MA?

145 W River St, Upton, MA has 2 bedrooms, 1.5 bathrooms, 2,756 square feet of living space and a 5.51-acre lot.

When was 145 W River St, Upton, MA built?

145 W River St, Upton, MA was built in 1973, making it 53 years old. It is a ranch home. The building has 1 story.

What schools serve 145 W River St, Upton, MA?

145 W River St, Upton, MA is assigned to Nipmuc Regional High School (high), rated B-; Memorial Elementary School (elementary), rated A; 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 145 W River St, Upton, MA compare to other homes in Upton 01568?

Among the 2,793 homes in Upton 01568, it is worth more than 92% of them ($919,900 against a typical $627,132), its price per square foot is higher than 74% of them ($334 against a typical $293), it is bigger than 76% of them (2,756 ft² against a typical 2,144 ft²), its lot is bigger than 85% of them (5.51 ac against a typical 1.83 ac) and it is newer than 31% of them (1973 against a typical 1989). Measured against all of Worcester County, it is worth more than 94% 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 145 W River St, Upton, MA?

The 2025 property tax bill for 145 W River St, Upton, MA was $9,021. The county assessed it at $686,000.

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