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Single Family ResidenceResidential
$725,713$181 / 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 Oct 21, 2026
Last sold for $693,500 on Feb 28, 2025

671 RIVER ST

WINCHENDON, MA 01475
4
Beds
2.5
Baths
4,020 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.
5.06 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
3
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.

Valuation

$726K
$648K low$803K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$693,500 · Feb 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,237 (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.$786,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$724,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$735,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$655,690

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.49
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
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.
42
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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.unmapped

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.Colonial
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.5.06
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(7)

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
Murdock Middle SchoolD+
Middle · Grades 6–8 · 2.5 mi
H
Murdock High SchoolD+
High · Grades 9–12 · 2.5 mi
E
Memorial
Elementary · Grades KG–2 · 2.6 mi

District: Winchendon School District

Neighborhood · ZIP 01475These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.10,310
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.240 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,119
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,713
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

671 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.

  • Among the most valuable homes in Winchendon 01475
  • Costs less per square foot than 97% of homes in Worcester County
  • Bigger than 98% of homes in Winchendon 01475
  • Has a bigger lot than 91% of homes in Winchendon 01475
  • Newer than 93% of homes in Winchendon 01475

What homes are worth in Winchendon 01475

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

This home
$183K$647K

This home is worth more than almost all homes in Winchendon 01475.

How it measures up in Winchendon 01475

The dot is this home. The mark in the middle is the typical home in Winchendon 01475.

Estimated value$725,713
CheaperTypical $371,028Pricier

Pricier than almost all homes nearby

Price per ft²$181
CheaperTypical $236Pricier

Pricier than 15% of homes nearby

Living area4,020 ft²
SmallerTypical 1,596 ft²Bigger

Bigger than 98% of homes nearby

Lot size5.06 ac
SmallerTypical 0.97 acBigger

Bigger than 91% of homes nearby

Year built2005
OlderTypical 1978Newer

Newer than 93% of homes nearby

How 671 River St ranks against every home in each area.
MeasureThis homeWinchendon 01475Worcester County
Estimated valuepricier than$725,713almost all homes85% of homes
Price per ft²pricier than$18115% of homes3% of homes
Living areabigger than4,020 ft²98% of homes96% of homes
Lot sizebigger than5.06 ac91% of homes91% of homes
Year builtnewer than200593% of homes90% of homes

About 671 River St

How much is 671 River St, Winchendon, MA worth?

The TopHap Estimate for 671 River St, Winchendon, MA is $725,713 as of Oct 21, 2026. The likely range is $648,335 to $803,091. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 671 River St, Winchendon, MA last sell?

671 River St, Winchendon, MA last sold on Feb 28, 2025 for $693,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 671 River St, Winchendon, MA?

671 River St, Winchendon, MA has 4 bedrooms, 2.5 bathrooms, 4,020 square feet of living space and a 5.06-acre lot.

When was 671 River St, Winchendon, MA built?

671 River St, Winchendon, MA was built in 2005, making it 21 years old. It is a colonial home. The building has 3 stories.

What schools serve 671 River St, Winchendon, MA?

671 River St, Winchendon, MA is assigned to Murdock Middle School (middle), rated D+; Murdock High School (high), rated D+; Memorial (elementary). All sit in Winchendon School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 671 River St, Winchendon, MA compare to other homes in Winchendon 01475?

Among the 3,357 homes in Winchendon 01475, it is worth more than almost all of them ($725,713 against a typical $371,028), its price per square foot is higher than 15% of them ($181 against a typical $236), it is bigger than 98% of them (4,020 ft² against a typical 1,596 ft²), its lot is bigger than 91% of them (5.06 ac against a typical 0.97 ac) and it is newer than 93% of them (2005 against a typical 1978). Measured against all of Worcester County, it is worth more than 85% 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 671 River St, Winchendon, MA?

The 2025 property tax bill for 671 River St, Winchendon, MA was $9,237. The county assessed it at $786,100.

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