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Single Family ResidenceResidential
$514,192$328 / 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 96How 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 $89,900 on Jan 29, 1998

31 MASON ST

BROCKTON, MA 02302
4
Beds
1
Baths
1,567 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1943
Year BuiltThe year the home was originally built, according to county records.
2
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

$514K
$493K low$536K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$89,900 · Jan 29, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,740 (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.$474,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$333,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$427,595

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
CountyPLYMOUTH
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
East Middle SchoolF
Middle · Grades 6–8 · 0.2 mi
E
DowneyD-
Elementary · Grades PK–5 · 0.8 mi
H
Brockton High SchoolD-
High · Grades 9–12 · 2.3 mi

District: Brockton School District

Neighborhood · ZIP 02302These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.37,248
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,183 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,403
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,429
Average tempThe average temperature here across a full year.50°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.52%

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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

31 Mason 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 72% of homes in Plymouth County
  • Costs less per square foot than 75% of homes in Plymouth County
  • Bigger than 66% of homes in Brockton 02302
  • Has a smaller lot than 79% of homes in Plymouth County
  • Older than 76% of homes in Plymouth County

What homes are worth in Brockton 02302

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

This home
$256K$697K

This home is worth more than 70% of homes in Brockton 02302.

How it measures up in Brockton 02302

The dot is this home. The mark in the middle is the typical home in Brockton 02302.

Estimated value$514,192
CheaperTypical $484,412Pricier

Pricier than 70% of homes nearby

Price per ft²$328
CheaperTypical $352Pricier

Pricier than 33% of homes nearby

Living area1,567 ft²
SmallerTypical 1,384 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.21 ac
SmallerTypical 0.23 acBigger

Bigger than 39% of homes nearby

Year built1943
OlderTypical 1960Newer

Newer than 26% of homes nearby

How 31 Mason St ranks against every home in each area.
MeasureThis homeBrockton 02302Plymouth County
Estimated valuepricier than$514,19270% of homes28% of homes
Price per ft²pricier than$32833% of homes25% of homes
Living areabigger than1,567 ft²66% of homes41% of homes
Lot sizebigger than0.21 ac39% of homes21% of homes
Year builtnewer than194326% of homes24% of homes

About 31 Mason St

How much is 31 Mason St, Brockton, MA worth?

The TopHap Estimate for 31 Mason St, Brockton, MA is $514,192 as of Oct 21, 2026. The likely range is $492,832 to $535,552. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Mason St, Brockton, MA last sell?

31 Mason St, Brockton, MA last sold on Jan 29, 1998 for $89,900, according to the county's recorded deed.

How big is 31 Mason St, Brockton, MA?

31 Mason St, Brockton, MA has 4 bedrooms, 1 bathrooms, 1,567 square feet of living space and a 0.21-acre lot.

When was 31 Mason St, Brockton, MA built?

31 Mason St, Brockton, MA was built in 1943, making it 83 years old. It is a colonial home. The building has 2 stories.

What schools serve 31 Mason St, Brockton, MA?

31 Mason St, Brockton, MA is assigned to East Middle School (middle), rated F; Downey (elementary), rated D-; Brockton High School (high), rated D-. All sit in Brockton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Mason St, Brockton, MA compare to other homes in Brockton 02302?

Among the 9,519 homes in Brockton 02302, it is worth more than 70% of them ($514,192 against a typical $484,412), its price per square foot is higher than 33% of them ($328 against a typical $352), it is bigger than 66% of them (1,567 ft² against a typical 1,384 ft²), its lot is bigger than 39% of them (0.21 ac against a typical 0.23 ac) and it is newer than 26% of them (1943 against a typical 1960). Measured against all of Plymouth County, it is worth more than 28% 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 31 Mason St, Brockton, MA?

The 2025 property tax bill for 31 Mason St, Brockton, MA was $5,740. The county assessed it at $474,000.

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Assigned schools

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