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Single Family ResidenceResidential
$809,038$331 / 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 $474,000 on Dec 18, 2018

343 UNION ST

BRAINTREE, MA 02184
3
Beds
3
Baths
2,445 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$809K
$744K low$874K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$474,000 · Dec 18, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,357 (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.$637,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$353,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$284,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$719,625

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.3 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.Ranch
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.43
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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(2)

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 · 1.6 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

343 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.

  • Worth more than 71% of homes in Braintree 02184
  • Costs less per square foot than 87% of homes in Norfolk County
  • Bigger than 79% of homes in Braintree 02184
  • Has a bigger lot than 72% of homes in Braintree 02184

What homes are worth in Braintree 02184

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

This home
$353K$1.4M

This home is worth more than 71% 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.

Estimated value$809,038
CheaperTypical $696,427Pricier

Pricier than 71% of homes nearby

Price per ft²$331
CheaperTypical $407Pricier

Pricier than 14% of homes nearby

Living area2,445 ft²
SmallerTypical 1,736 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.43 ac
SmallerTypical 0.29 acBigger

Bigger than 72% of homes nearby

Year built1953
OlderTypical 1953Newer

Newer than 50% of homes nearby

How 343 Union St ranks against every home in each area.
MeasureThis homeBraintree 02184Norfolk County
Estimated valuepricier than$809,03871% of homes59% of homes
Price per ft²pricier than$33114% of homes13% of homes
Living areabigger than2,445 ft²79% of homes77% of homes
Lot sizebigger than0.43 ac72% of homes56% of homes
Year builtnewer than195350% of homes42% of homes

About 343 Union St

How much is 343 Union St, Braintree, MA worth?

The TopHap Estimate for 343 Union St, Braintree, MA is $809,038 as of Sep 24, 2026. The likely range is $743,916 to $874,160. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 343 Union St, Braintree, MA last sell?

343 Union St, Braintree, MA last sold on Dec 18, 2018 for $474,000, according to the county's recorded deed.

How big is 343 Union St, Braintree, MA?

343 Union St, Braintree, MA has 3 bedrooms, 3 bathrooms, 2,445 square feet of living space and a 0.43-acre lot.

When was 343 Union St, Braintree, MA built?

343 Union St, Braintree, MA was built in 1953, making it 73 years old. It is a ranch home. The building has 1 story.

What schools serve 343 Union St, Braintree, MA?

343 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 343 Union St, Braintree, MA compare to other homes in Braintree 02184?

Among the 11,600 homes in Braintree 02184, it is worth more than 71% of them ($809,038 against a typical $696,427), its price per square foot is higher than 14% of them ($331 against a typical $407), it is bigger than 79% of them (2,445 ft² against a typical 1,736 ft²), its lot is bigger than 72% of them (0.43 ac against a typical 0.29 ac) and it is newer than 50% of them (1953 against a typical 1953). Measured against all of Norfolk County, it is worth more than 59% 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 343 Union St, Braintree, MA?

The 2025 property tax bill for 343 Union St, Braintree, MA was $6,357. The county assessed it at $637,000.

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