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Single Family ResidenceResidential
$742,222$337 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

31 DEFOREST ST

AMITYVILLE, NY 11701
1.5
Baths
2,203 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.

Valuation

$742K
$721K low$764K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,090 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$4,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$370
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$754,237

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.18
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.

H
Deer Park High SchoolA-
High · Grades 9–12 · 1.3 mi
E
John Quincy Adams Primary School
Elementary · Grades PK–2 · 1.6 mi
M
Robert Frost Middle SchoolB
Middle · Grades 6–8 · 1.9 mi

District: Deer Park Union Free School District

Neighborhood · ZIP 11701These 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.80
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 100.81

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.26,590
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,033 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,679
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,592
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.58%

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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

31 Deforest 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 84% of homes in Deer Park
  • Costs less per square foot than 87% of homes in Deer Park
  • Bigger than 89% of homes in Deer Park
  • Has a smaller lot than 78% of homes in Suffolk County
  • Newer than 79% of homes in Deer Park

What homes are worth in Amityville 11701

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

This home
$419K$1.2M

This home is worth more than 80% of homes in Amityville 11701.

How it measures up in Amityville 11701

The dot is this home. The mark in the middle is the typical home in Amityville 11701.

Estimated value$742,222
CheaperTypical $612,150Pricier

Pricier than 80% of homes nearby

Price per ft²$337
CheaperTypical $393Pricier

Pricier than 25% of homes nearby

Living area2,203 ft²
SmallerTypical 1,640 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.18 ac
SmallerTypical 0.2 acBigger

Bigger than 41% of homes nearby

Year built1966
OlderTypical 1954Newer

Newer than 73% of homes nearby

How 31 Deforest St ranks against every home in each area.
MeasureThis homeDeer ParkAmityville 11701Suffolk County
Estimated valuepricier than$742,22284% of homes80% of homes59% of homes
Price per ft²pricier than$33713% of homes25% of homes23% of homes
Living areabigger than2,203 ft²89% of homes82% of homes75% of homes
Lot sizebigger than0.18 ac43% of homes41% of homes22% of homes
Year builtnewer than196679% of homes73% of homes44% of homes

About 31 Deforest St

How much is 31 Deforest St, Amityville, NY worth?

The TopHap Estimate for 31 Deforest St, Amityville, NY is $742,222 as of Aug 30, 2026. The likely range is $720,528 to $763,916. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Deforest St, Amityville, NY last sell?

31 Deforest St, Amityville, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 31 Deforest St, Amityville, NY?

31 Deforest St, Amityville, NY has 1.5 bathrooms, 2,203 square feet of living space and a 0.18-acre lot.

When was 31 Deforest St, Amityville, NY built?

31 Deforest St, Amityville, NY was built in 1966, making it 60 years old.

What schools serve 31 Deforest St, Amityville, NY?

31 Deforest St, Amityville, NY is assigned to Deer Park High School (high), rated A-; John Quincy Adams Primary School (elementary); Robert Frost Middle School (middle), rated B. All sit in Deer Park Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Deforest St, Amityville, NY compare to other homes in Amityville 11701?

Among the 6,225 homes in Amityville 11701, it is worth more than 80% of them ($742,222 against a typical $612,150), its price per square foot is higher than 25% of them ($337 against a typical $393), it is bigger than 82% of them (2,203 ft² against a typical 1,640 ft²), its lot is bigger than 41% of them (0.18 ac against a typical 0.2 ac) and it is newer than 73% of them (1966 against a typical 1954). Measured against all of Suffolk 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 31 Deforest St, Amityville, NY?

The 2024 property tax bill for 31 Deforest St, Amityville, NY was $15,090. The county assessed it at $4,450.

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