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Single Family ResidenceResidential
$557,457$191 / 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 95How 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 $480,000 on Jun 30, 2023

642 MAIN ST

BOLTON, MA 01740
1.5
Baths
2,922 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1798
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$557K
$528K low$587K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$480,000 · Jun 30, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,968 (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.$479,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$155,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$323,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$598,405

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 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.1 percent flood zone

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.Historical
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.00
ConstructionThe main material the home's frame and walls are built from.Stone
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(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
Florence Sawyer SchoolA-
Elementary · Grades PK–8 · 0.3 mi
H
Nashoba Regional High SchoolA
High · Grades 9–12 · 1.9 mi

District: Nashoba School District

Neighborhood · ZIP 01740These 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.21
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.97%
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.2.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.5,809
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.287 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$195,128
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,848
Average tempThe average temperature here across a full year.47°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%

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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

642 Main 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 less than 87% of homes in Bolton 01740
  • Among the lowest price per square foot in Bolton 01740
  • Bigger than 88% of homes in Worcester County
  • Has a smaller lot than 87% of homes in Bolton 01740
  • Among the oldest homes in Worcester County

What homes are worth in Bolton 01740

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

This home
$367K$1.6M

This home is worth more than 13% of homes in Bolton 01740.

How it measures up in Bolton 01740

The dot is this home. The mark in the middle is the typical home in Bolton 01740.

Estimated value$557,457
CheaperTypical $838,037Pricier

Pricier than 13% of homes nearby

Price per ft²$191
CheaperTypical $331Pricier

Cheaper than almost all homes nearby

Living area2,922 ft²
SmallerTypical 2,558 ft²Bigger

Bigger than 64% of homes nearby

Lot size1 ac
SmallerTypical 1.96 acBigger

Bigger than 13% of homes nearby

Year built1798
OlderTypical 1989Newer

Newer than 2% of homes nearby

How 642 Main St ranks against every home in each area.
MeasureThis homeBolton 01740Worcester County
Estimated valuepricier than$557,45713% of homes65% of homes
Price per ft²pricier than$191almost no homes4% of homes
Living areabigger than2,922 ft²64% of homes88% of homes
Lot sizebigger than1 ac13% of homes69% of homes
Year builtnewer than17982% of homesalmost no homes

About 642 Main St

How much is 642 Main St, Bolton, MA worth?

The TopHap Estimate for 642 Main St, Bolton, MA is $557,457 as of Aug 30, 2026. The likely range is $528,410 to $586,504. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 642 Main St, Bolton, MA last sell?

642 Main St, Bolton, MA last sold on Jun 30, 2023 for $480,000, according to the county's recorded deed.

How big is 642 Main St, Bolton, MA?

642 Main St, Bolton, MA has 1.5 bathrooms, 2,922 square feet of living space and a 1.00-acre lot.

When was 642 Main St, Bolton, MA built?

642 Main St, Bolton, MA was built in 1798, making it 228 years old. It is a historical home. The building has 2 stories.

What schools serve 642 Main St, Bolton, MA?

642 Main St, Bolton, MA is assigned to Florence Sawyer School (elementary), rated A-; Nashoba Regional High School (high), rated A. All sit in Nashoba School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 642 Main St, Bolton, MA compare to other homes in Bolton 01740?

Among the 1,951 homes in Bolton 01740, it is worth more than 13% of them ($557,457 against a typical $838,037), its price per square foot is higher than almost none of them ($191 against a typical $331), it is bigger than 64% of them (2,922 ft² against a typical 2,558 ft²), its lot is bigger than 13% of them (1 ac against a typical 1.96 ac) and it is newer than 2% of them (1798 against a typical 1989). Measured against all of Worcester County, it is worth more than 65% 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 642 Main St, Bolton, MA?

The 2025 property tax bill for 642 Main St, Bolton, MA was $7,968. The county assessed it at $479,400.

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More homes in Bolton 01740

Assigned schools

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