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Single Family ResidenceResidential
$953,357$656 / 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 90How 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 $575,000 on Oct 15, 2014

21 LARK AVE

WHITE PLAINS, NY 10607
3
Beds
3
Baths
1,454 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$953K
$862K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$575,000 · Oct 15, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,526 (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.$797,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$166,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$630,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$759,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$797,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyWESTCHESTER
Lot (acres)The size of the land the home sits on, from county records.0.25
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(3)

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
Alexander Hamilton Jr./Sr. High SchoolD+
Middle · Grades 7–12 · 1.2 mi
E
Carl L. Dixson Primary School
Elementary · Grades KG–1 · 1.4 mi

District: Elmsford Union Free School District

Neighborhood · ZIP 10607These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.109

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.7,255
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,337 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$147,559
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$170,657
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

21 Lark Ave 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 80% of homes in White Plains 10607
  • Costs more per square foot than 90% of homes in White Plains 10607
  • Smaller than 78% of homes in Westchester County
  • Has a bigger lot than 68% of homes in White Plains 10607

What homes are worth in White Plains 10607

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

This home
$454K$1.6M

This home is worth more than 80% of homes in White Plains 10607.

How it measures up in White Plains 10607

The dot is this home. The mark in the middle is the typical home in White Plains 10607.

Estimated value$953,357
CheaperTypical $783,027Pricier

Pricier than 80% of homes nearby

Price per ft²$656
CheaperTypical $515Pricier

Pricier than 90% of homes nearby

Living area1,454 ft²
SmallerTypical 1,479 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.25 ac
SmallerTypical 0.23 acBigger

Bigger than 68% of homes nearby

Year built1960
OlderTypical 1957Newer

Newer than 64% of homes nearby

How 21 Lark Ave ranks against every home in each area.
MeasureThis homeWhite Plains 10607Westchester County
Estimated valuepricier than$953,35780% of homes56% of homes
Price per ft²pricier than$65690% of homes79% of homes
Living areabigger than1,454 ft²47% of homes22% of homes
Lot sizebigger than0.25 ac68% of homes58% of homes
Year builtnewer than196064% of homes61% of homes

About 21 Lark Ave

How much is 21 Lark Ave, White Plains, NY worth?

The TopHap Estimate for 21 Lark Ave, White Plains, NY is $953,357 as of Oct 21, 2026. The likely range is $861,620 to $1,045,094. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Lark Ave, White Plains, NY last sell?

21 Lark Ave, White Plains, NY last sold on Oct 15, 2014 for $575,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Lark Ave, White Plains, NY?

21 Lark Ave, White Plains, NY has 3 bedrooms, 3 bathrooms, 1,454 square feet of living space and a 0.25-acre lot.

When was 21 Lark Ave, White Plains, NY built?

21 Lark Ave, White Plains, NY was built in 1960, making it 66 years old. The building has 1 story.

What schools serve 21 Lark Ave, White Plains, NY?

21 Lark Ave, White Plains, NY is assigned to Alexander Hamilton Jr./Sr. High School (middle), rated D+; Carl L. Dixson Primary School (elementary). All sit in Elmsford Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Lark Ave, White Plains, NY compare to other homes in White Plains 10607?

Among the 2,263 homes in White Plains 10607, it is worth more than 80% of them ($953,357 against a typical $783,027), its price per square foot is higher than 90% of them ($656 against a typical $515), it is bigger than 47% of them (1,454 ft² against a typical 1,479 ft²), its lot is bigger than 68% of them (0.25 ac against a typical 0.23 ac) and it is newer than 64% of them (1960 against a typical 1957). Measured against all of Westchester County, it is worth more than 56% 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 21 Lark Ave, White Plains, NY?

The 2026 property tax bill for 21 Lark Ave, White Plains, NY was $22,526. The county assessed it at $797,000.

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