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Duplex (2 Units, Any Combination)Residential
Last sold for $636,000 on Jul 22, 2026

343 E 51ST ST

BROOKLYN, NY 11203
0
Baths
1,540 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.
2,000 ft²
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$636,000 · Jul 22, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,330 (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.$42,480 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$41,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$708,000

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.16 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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyKINGS
Lot (acres)The size of the land the home sits on, from county records.0.05
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
Middle School of Marketing and Legal Studies
Middle · Grades 6–8 · 0.2 mi
E
P.S. 268 Emma Lazarus SchoolC+
Elementary · Grades KG–5 · 0.3 mi

District: New York City Geographic School District 18

Neighborhood · ZIP 11203These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.108

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.78,876
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.36,645 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,378
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,027
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

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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 E 51st 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.

  • Smaller than 66% of homes in Kings County
  • Has a smaller lot than 78% of homes in Brooklyn 11203
  • Older than 89% of homes in Brooklyn 11203

How it measures up in Brooklyn 11203

The dot is this home. The mark in the middle is the typical home in Brooklyn 11203.

Living area1,540 ft²
SmallerTypical 1,758 ft²Bigger

Bigger than 36% of homes nearby

Lot size2,000 ft²
SmallerTypical 2,004 ft²Bigger

Bigger than 22% of homes nearby

Year built1910
OlderTypical 1930Newer

Newer than 11% of homes nearby

How 343 E 51st St ranks against every home in each area.
MeasureThis homeBrooklyn 11203Kings County
Living areabigger than1,540 ft²36% of homes34% of homes
Lot sizebigger than2,000 ft²22% of homes24% of homes
Year builtnewer than191011% of homes23% of homes

About 343 E 51st St

When did 343 E 51st St, Brooklyn, NY last sell?

343 E 51st St, Brooklyn, NY last sold on Jul 22, 2026 for $636,000, according to the county's recorded deed.

How big is 343 E 51st St, Brooklyn, NY?

343 E 51st St, Brooklyn, NY has 1,540 square feet of living space and a 0.05-acre lot.

When was 343 E 51st St, Brooklyn, NY built?

343 E 51st St, Brooklyn, NY was built in 1910, making it 116 years old. It is a duplex single home. The building has 2 stories.

What schools serve 343 E 51st St, Brooklyn, NY?

343 E 51st St, Brooklyn, NY is assigned to Middle School of Marketing and Legal Studies (middle); P.S. 268 Emma Lazarus School (elementary), rated C+. All sit in New York City Geographic School District 18. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 343 E 51st St, Brooklyn, NY compare to other homes in Brooklyn 11203?

Among the 11,037 homes in Brooklyn 11203, it is bigger than 36% of them (1,540 ft² against a typical 1,758 ft²), its lot is bigger than 22% of them (2,000 ft² against a typical 2,004 ft²) and it is newer than 11% of them (1910 against a typical 1930). 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 E 51st St, Brooklyn, NY?

The 2026 property tax bill for 343 E 51st St, Brooklyn, NY was $6,330. The county assessed it at $42,480.

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