Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,759,058$467 / 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 Oct 21, 2026
Last sold for $1,704,000 on Jun 4, 2025

999 PROSPECT AVE

PELHAM, NY 10803
6
Beds
3.5
Baths
3,765 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.8M
$1.6M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,704,000 · Jun 4, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$38,322 (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.$1,535,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$392,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,143,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,476,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,535,000

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
83
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
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
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyWESTCHESTER
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Hot Water
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 116 ft²

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.

E
Prospect Hill Elementary SchoolA+
Elementary · Grades KG–5 · 0.1 mi
H
Pelham Memorial High SchoolA
High · Grades 9–12 · 0.8 mi
M
Pelham Middle SchoolA+
Middle · Grades 6–8 · 0.9 mi

District: Pelham Union Free School District

Neighborhood · ZIP 10803These 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.36
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.112

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
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.13,439
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,046 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$200,256
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$265,017
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.55%

Owner Tools

Do you own this home?
Claim this home

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

999 Prospect 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 85% of homes in Westchester County
  • Costs less per square foot than 92% of homes in Pelham 10803
  • Bigger than 88% of homes in Westchester County
  • Older than 98% of homes in Westchester County

What homes are worth in Pelham 10803

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

This home
$515K$3.1M

This home is worth more than 66% of homes in Pelham 10803.

How it measures up in Pelham 10803

The dot is this home. The mark in the middle is the typical home in Pelham 10803.

Estimated value$1,759,058
CheaperTypical $1,454,234Pricier

Pricier than 66% of homes nearby

Price per ft²$467
CheaperTypical $607Pricier

Pricier than 8% of homes nearby

Living area3,765 ft²
SmallerTypical 2,499 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.23 ac
SmallerTypical 0.19 acBigger

Bigger than 61% of homes nearby

Year built1890
OlderTypical 1925Newer

Newer than 4% of homes nearby

How 999 Prospect Ave ranks against every home in each area.
MeasureThis homePelham 10803Westchester County
Estimated valuepricier than$1,759,05866% of homes85% of homes
Price per ft²pricier than$4678% of homes36% of homes
Living areabigger than3,765 ft²85% of homes88% of homes
Lot sizebigger than0.23 ac61% of homes52% of homes
Year builtnewer than18904% of homes2% of homes

About 999 Prospect Ave

How much is 999 Prospect Ave, Pelham, NY worth?

The TopHap Estimate for 999 Prospect Ave, Pelham, NY is $1,759,058 as of Oct 21, 2026. The likely range is $1,612,809 to $1,905,307. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 999 Prospect Ave, Pelham, NY last sell?

999 Prospect Ave, Pelham, NY last sold on Jun 4, 2025 for $1,704,000, according to the county's recorded deed.

How big is 999 Prospect Ave, Pelham, NY?

999 Prospect Ave, Pelham, NY has 6 bedrooms, 3.5 bathrooms, 3,765 square feet of living space and a 0.23-acre lot.

When was 999 Prospect Ave, Pelham, NY built?

999 Prospect Ave, Pelham, NY was built in 1890, making it 136 years old. It is a a-frame home. The building has 2 stories.

What schools serve 999 Prospect Ave, Pelham, NY?

999 Prospect Ave, Pelham, NY is assigned to Prospect Hill Elementary School (elementary), rated A+; Pelham Memorial High School (high), rated A; Pelham Middle School (middle), rated A+. All sit in Pelham Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 999 Prospect Ave, Pelham, NY compare to other homes in Pelham 10803?

Among the 3,525 homes in Pelham 10803, it is worth more than 66% of them ($1,759,058 against a typical $1,454,234), its price per square foot is higher than 8% of them ($467 against a typical $607), it is bigger than 85% of them (3,765 ft² against a typical 2,499 ft²), its lot is bigger than 61% of them (0.23 ac against a typical 0.19 ac) and it is newer than 4% of them (1890 against a typical 1925). Measured against all of Westchester County, it is worth more than 85% 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 999 Prospect Ave, Pelham, NY?

The 2026 property tax bill for 999 Prospect Ave, Pelham, NY was $38,322. The county assessed it at $1,535,000.

More homes on Prospect Ave

Closest homes

More homes in Pelham 10803

Assigned schools

Explore the area

See this home in context

Open 999 Prospect Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map