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Single Family ResidenceResidential
$948,728$958 / 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 93How 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

121 DARTMOUTH ST

HEMPSTEAD, NY 11550
1
Baths
990 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$949K
$885K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,081 (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.$279 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$137
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$142
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$279
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$279,000

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.13 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
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Alverta B Gray Schultz Middle SchoolD+
Middle · Grades 7–8 · 0.9 mi
H
Hempstead High SchoolD+
High · Grades 9–12 · 1.6 mi

District: Hempstead Union Free School District

Neighborhood · ZIP 11550These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
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.1.1%
PopulationHow many people live in this area.62,487
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.14,283 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,489
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,851
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

121 Dartmouth 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 97% of homes in Hempstead 11550
  • Among the highest price per square foot in Hempstead 11550
  • Smaller than 97% of homes in Nassau County
  • Has a bigger lot than 83% of homes in Hempstead 11550
  • Newer than 80% of homes in Hempstead 11550

What homes are worth in Hempstead 11550

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

This home
$397K$1.1M

This home is worth more than 97% of homes in Hempstead 11550.

How it measures up in Hempstead 11550

The dot is this home. The mark in the middle is the typical home in Hempstead 11550.

Estimated value$948,728
CheaperTypical $597,628Pricier

Pricier than 97% of homes nearby

Price per ft²$958
CheaperTypical $411Pricier

Pricier than almost all homes nearby

Living area990 ft²
SmallerTypical 1,479 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.17 ac
SmallerTypical 0.12 acBigger

Bigger than 83% of homes nearby

Year built1958
OlderTypical 1947Newer

Newer than 80% of homes nearby

How 121 Dartmouth St ranks against every home in each area.
MeasureThis homeHempstead 11550Nassau County
Estimated valuepricier than$948,72897% of homes66% of homes
Price per ft²pricier than$958almost all homesalmost all homes
Living areabigger than990 ft²4% of homes3% of homes
Lot sizebigger than0.17 ac83% of homes67% of homes
Year builtnewer than195880% of homes73% of homes

About 121 Dartmouth St

How much is 121 Dartmouth St, Hempstead, NY worth?

The TopHap Estimate for 121 Dartmouth St, Hempstead, NY is $948,728 as of Sep 24, 2026. The likely range is $884,838 to $1,012,618. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Dartmouth St, Hempstead, NY last sell?

121 Dartmouth St, Hempstead, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 Dartmouth St, Hempstead, NY?

121 Dartmouth St, Hempstead, NY has 1 bathrooms, 990 square feet of living space and a 0.17-acre lot.

When was 121 Dartmouth St, Hempstead, NY built?

121 Dartmouth St, Hempstead, NY was built in 1958, making it 68 years old. It is a ranch home. The building has 1 story.

What schools serve 121 Dartmouth St, Hempstead, NY?

121 Dartmouth St, Hempstead, NY is assigned to Alverta B Gray Schultz Middle School (middle), rated D+; Hempstead High School (high), rated D+. All sit in Hempstead Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Dartmouth St, Hempstead, NY compare to other homes in Hempstead 11550?

Among the 8,678 homes in Hempstead 11550, it is worth more than 97% of them ($948,728 against a typical $597,628), its price per square foot is higher than almost all of them ($958 against a typical $411), it is bigger than 4% of them (990 ft² against a typical 1,479 ft²), its lot is bigger than 83% of them (0.17 ac against a typical 0.12 ac) and it is newer than 80% of them (1958 against a typical 1947). Measured against all of Nassau County, it is worth more than 66% 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 121 Dartmouth St, Hempstead, NY?

The 2025 property tax bill for 121 Dartmouth St, Hempstead, NY was $7,081. The county assessed it at $279.

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