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Duplex (2 Units, Any Combination)Residential

311 UNION ST

BRAINTREE, MA 02184
5
Beds
2.5
Baths
2,596 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.
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,506 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$845,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$361,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$482,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$813,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$798,258

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.36
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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 SchoolB
Middle · Grades 6–8 · 0.6 mi
E
Hollis Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
H
Braintree High SchoolA-
High · Grades 9–12 · 1.5 mi

District: Braintree School District

Neighborhood · ZIP 02184These 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.79
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 100.70

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.39,764
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,419
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,591
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

311 Union 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.

  • Bigger than 83% of homes in Braintree 02184
  • Has a bigger lot than 65% of homes in Braintree 02184
  • Older than 90% of homes in Braintree 02184

How it measures up in Braintree 02184

The dot is this home. The mark in the middle is the typical home in Braintree 02184.

Living area2,596 ft²
SmallerTypical 1,754 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.36 ac
SmallerTypical 0.28 acBigger

Bigger than 65% of homes nearby

Year built1900
OlderTypical 1953Newer

Newer than 10% of homes nearby

How 311 Union St ranks against every home in each area.
MeasureThis homeBraintree 02184Norfolk County
Living areabigger than2,596 ft²83% of homes80% of homes
Lot sizebigger than0.36 ac65% of homes51% of homes
Year builtnewer than190010% of homes10% of homes

About 311 Union St

When did 311 Union St, Braintree, MA last sell?

311 Union St, Braintree, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 311 Union St, Braintree, MA?

311 Union St, Braintree, MA has 5 bedrooms, 2.5 bathrooms, 2,596 square feet of living space and a 0.36-acre lot.

When was 311 Union St, Braintree, MA built?

311 Union St, Braintree, MA was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 311 Union St, Braintree, MA?

311 Union St, Braintree, MA is assigned to East Middle School (middle), rated B; Hollis Elementary School (elementary), rated A-; Braintree High School (high), rated A-. All sit in Braintree School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 311 Union St, Braintree, MA compare to other homes in Braintree 02184?

Among the 11,600 homes in Braintree 02184, it is bigger than 83% of them (2,596 ft² against a typical 1,754 ft²), its lot is bigger than 65% of them (0.36 ac against a typical 0.28 ac) and it is newer than 10% of them (1900 against a typical 1953). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 311 Union St, Braintree, MA?

The 2026 property tax bill for 311 Union St, Braintree, MA was $8,506. The county assessed it at $845,500.

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