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Single Family ResidenceResidential
$4,114,438$3,768 / 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 92How 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 $3,200,000 on Mar 1, 2019

42 WASHINGTON ST

SHERBORN, MA 01770
3
Beds
2.5
Baths
1,092 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.
15.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$4.1M
$3.8M low$4.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,200,000 · Mar 1, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$55,212 (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.$3,330,014 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$566,414
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,763,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,068,945

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
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1990
Lot (acres)The size of the land the home sits on, from county records.15.70
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.Steam
CoolingThe type of cooling or air conditioning in the home.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(5)

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
Pine HillA
Elementary · Grades PK–5 · 0.8 mi
H
Dover-Sherborn High SchoolA+
High · Grades 9–12 · 3.0 mi
M
Dover-Sherborn Middle SchoolA+
Middle · Grades 6–8 · 3.0 mi

District: Dover-Sherborn School District

Neighborhood · ZIP 01770These 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.30
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
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.4,823
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$201,223
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$271,124
Average tempThe average temperature here across a full year.49°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.58%

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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

42 Washington 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 Sherborn 01770
  • Among the highest price per square foot in Sherborn 01770
  • Among the smallest homes in Sherborn 01770
  • Has a bigger lot than 97% of homes in Middlesex County
  • Newer than 71% of homes in Middlesex County

What homes are worth in Sherborn 01770

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

This home
$551K$2.9M

This home is worth more than almost all homes in Sherborn 01770.

How it measures up in Sherborn 01770

The dot is this home. The mark in the middle is the typical home in Sherborn 01770.

Estimated value$4,114,438
CheaperTypical $1,261,409Pricier

Pricier than almost all homes nearby

Price per ft²$3768
CheaperTypical $431Pricier

Pricier than almost all homes nearby

Living area1,092 ft²
SmallerTypical 2,968 ft²Bigger

Smaller than almost all homes nearby

Lot size15.7 ac
SmallerTypical 2.23 acBigger

Bigger than 96% of homes nearby

Year built1979
OlderTypical 1970Newer

Newer than 70% of homes nearby

How 42 Washington St ranks against every home in each area.
MeasureThis homeSherborn 01770Middlesex County
Estimated valuepricier than$4,114,438almost all homesalmost all homes
Price per ft²pricier than$3768almost all homesalmost all homes
Living areabigger than1,092 ft²almost no homes15% of homes
Lot sizebigger than15.7 ac96% of homes97% of homes
Year builtnewer than197970% of homes71% of homes

About 42 Washington St

How much is 42 Washington St, Sherborn, MA worth?

The TopHap Estimate for 42 Washington St, Sherborn, MA is $4,114,438 as of Sep 24, 2026. The likely range is $3,775,854 to $4,453,022. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Washington St, Sherborn, MA last sell?

42 Washington St, Sherborn, MA last sold on Mar 1, 2019 for $3,200,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 42 Washington St, Sherborn, MA?

42 Washington St, Sherborn, MA has 3 bedrooms, 2.5 bathrooms, 1,092 square feet of living space and a 15.70-acre lot.

When was 42 Washington St, Sherborn, MA built?

42 Washington St, Sherborn, MA was built in 1979, making it 47 years old. It is a colonial home. The building has 1 story.

What schools serve 42 Washington St, Sherborn, MA?

42 Washington St, Sherborn, MA is assigned to Pine Hill (elementary), rated A; Dover-Sherborn High School (high), rated A+; Dover-Sherborn Middle School (middle), rated A+. All sit in Dover-Sherborn School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 Washington St, Sherborn, MA compare to other homes in Sherborn 01770?

Among the 1,542 homes in Sherborn 01770, it is worth more than almost all of them ($4,114,438 against a typical $1,261,409), its price per square foot is higher than almost all of them ($3768 against a typical $431), it is bigger than almost none of them (1,092 ft² against a typical 2,968 ft²), its lot is bigger than 96% of them (15.7 ac against a typical 2.23 ac) and it is newer than 70% of them (1979 against a typical 1970). Measured against all of Middlesex County, it is worth more than almost all 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 42 Washington St, Sherborn, MA?

The 2025 property tax bill for 42 Washington St, Sherborn, MA was $55,212. The county assessed it at $3,330,014.

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