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Single Family ResidenceResidential
$378,466$358 / 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 94How 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

31 MARTIN ST

YAPHANK, NY 11980
2
Beds
1
Baths
1,056 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.
1956
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.

Valuation

$378K
$354K low$403K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,088 (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.$1,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,450
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$333,333

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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.25
HeatingThe type of heating system in the home.Radiant
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront

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.

Neighborhood · ZIP 11980These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.58

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
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.6,286
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.461 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$120,229
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,352
Average tempThe average temperature here across a full year.52°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 Martin 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 less than 98% of homes in Yaphank 11980
  • Costs less per square foot than 71% of homes in Yaphank 11980
  • Smaller than 86% of homes in Suffolk County
  • Older than 79% of homes in Yaphank 11980

What homes are worth in Yaphank 11980

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

This home
$373K$1.5M

This home is worth more than 2% of homes in Yaphank 11980.

How it measures up in Yaphank 11980

The dot is this home. The mark in the middle is the typical home in Yaphank 11980.

Estimated value$378,466
CheaperTypical $579,991Pricier

Pricier than 2% of homes nearby

Price per ft²$358
CheaperTypical $389Pricier

Pricier than 29% of homes nearby

Living area1,056 ft²
SmallerTypical 1,196 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.25 ac
SmallerTypical 0.46 acBigger

Bigger than 40% of homes nearby

Year built1956
OlderTypical 1985Newer

Newer than 21% of homes nearby

How 31 Martin St ranks against every home in each area.
MeasureThis homeYaphank 11980Suffolk County
Estimated valuepricier than$378,4662% of homes2% of homes
Price per ft²pricier than$35829% of homes31% of homes
Living areabigger than1,056 ft²27% of homes14% of homes
Lot sizebigger than0.25 ac40% of homes46% of homes
Year builtnewer than195621% of homes24% of homes

About 31 Martin St

How much is 31 Martin St, Yaphank, NY worth?

The TopHap Estimate for 31 Martin St, Yaphank, NY is $378,466 as of Sep 24, 2026. The likely range is $353,877 to $403,055. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Martin St, Yaphank, NY last sell?

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

How big is 31 Martin St, Yaphank, NY?

31 Martin St, Yaphank, NY has 2 bedrooms, 1 bathrooms, 1,056 square feet of living space and a 0.25-acre lot.

When was 31 Martin St, Yaphank, NY built?

31 Martin St, Yaphank, NY was built in 1956, making it 70 years old. It is a ranch home. The building has 1 story.

How does 31 Martin St, Yaphank, NY compare to other homes in Yaphank 11980?

Among the 2,021 homes in Yaphank 11980, it is worth more than 2% of them ($378,466 against a typical $579,991), its price per square foot is higher than 29% of them ($358 against a typical $389), it is bigger than 27% of them (1,056 ft² against a typical 1,196 ft²), its lot is bigger than 40% of them (0.25 ac against a typical 0.46 ac) and it is newer than 21% of them (1956 against a typical 1985). Measured against all of Suffolk County, it is worth more than 2% 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 Martin St, Yaphank, NY?

The 2024 property tax bill for 31 Martin St, Yaphank, NY was $7,088. The county assessed it at $1,600.

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