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Single Family ResidenceResidential
$698,809$279 / 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 90How 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 $589,900 on Dec 22, 2020

631 MAIN ST

BOLTON, MA 01740
3
Beds
2.5
Baths
2,505 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.
1.02 ac
Lot SizeThe size of the land the home sits on, from county records.
1830
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.

Valuation

$699K
$632K low$766K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$589,900 · Dec 22, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,328 (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.$681,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$173,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$508,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$813,295

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.17 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.minimal

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.Conventional
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.02
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.Forced Air With Air Conditioning
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.

E
Florence Sawyer SchoolA-
Elementary · Grades PK–8 · 0.4 mi
H
Nashoba Regional High SchoolA
High · Grades 9–12 · 2.0 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

631 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 more than 83% of homes in Worcester County
  • Costs less per square foot than 86% of homes in Bolton 01740
  • Bigger than 80% 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
$360K$1.6M

This home is worth more than 31% 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$698,809
CheaperTypical $832,972Pricier

Pricier than 31% of homes nearby

Price per ft²$279
CheaperTypical $330Pricier

Pricier than 14% of homes nearby

Living area2,505 ft²
SmallerTypical 2,556 ft²Bigger

Bigger than 48% of homes nearby

Lot size1.02 ac
SmallerTypical 1.96 acBigger

Bigger than 13% of homes nearby

Year built1830
OlderTypical 1989Newer

Newer than 4% of homes nearby

How 631 Main St ranks against every home in each area.
MeasureThis homeBolton 01740Worcester County
Estimated valuepricier than$698,80931% of homes83% of homes
Price per ft²pricier than$27914% of homes34% of homes
Living areabigger than2,505 ft²48% of homes80% of homes
Lot sizebigger than1.02 ac13% of homes70% of homes
Year builtnewer than18304% of homesalmost no homes

About 631 Main St

How much is 631 Main St, Bolton, MA worth?

The TopHap Estimate for 631 Main St, Bolton, MA is $698,809 as of Aug 30, 2026. The likely range is $632,008 to $765,610. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 631 Main St, Bolton, MA last sell?

631 Main St, Bolton, MA last sold on Dec 22, 2020 for $589,900, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 631 Main St, Bolton, MA?

631 Main St, Bolton, MA has 3 bedrooms, 2.5 bathrooms, 2,505 square feet of living space and a 1.02-acre lot.

When was 631 Main St, Bolton, MA built?

631 Main St, Bolton, MA was built in 1830, making it 196 years old. It is a conventional home. The building has 2 stories.

What schools serve 631 Main St, Bolton, MA?

631 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 631 Main St, Bolton, MA compare to other homes in Bolton 01740?

Among the 1,951 homes in Bolton 01740, it is worth more than 31% of them ($698,809 against a typical $832,972), its price per square foot is higher than 14% of them ($279 against a typical $330), it is bigger than 48% of them (2,505 ft² against a typical 2,556 ft²), its lot is bigger than 13% of them (1.02 ac against a typical 1.96 ac) and it is newer than 4% of them (1830 against a typical 1989). Measured against all of Worcester County, it is worth more than 83% 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 631 Main St, Bolton, MA?

The 2025 property tax bill for 631 Main St, Bolton, MA was $11,328. The county assessed it at $681,600.

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