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Single Family ResidenceResidential
$1,300,185$504 / 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 Sep 24, 2026
Last sold for $5,000 on May 3, 2022

31 HARBOR LN

SAINT JAMES, NY 11780
4
Beds
1.5
Baths
2,580 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.
3.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1917
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$5,000 · May 3, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,881 (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.$7,935 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,835
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$991,875

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.Colonial
CountySUFFOLK
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 120 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.

M
Nesaquake Middle SchoolA+
Middle · Grades 6–8 · 0.8 mi
H
Smithtown High School EastA-
High · Grades 9–12 · 1.4 mi
E
Saint James Elementary SchoolB
Elementary · Grades KG–5 · 1.7 mi

District: Smithtown Central School District

Neighborhood · ZIP 11780These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.0%
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.16,050
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$149,578
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$186,897
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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 Harbor Ln 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 87% of homes in Suffolk County
  • Costs more per square foot than 72% of homes in Suffolk County
  • Bigger than 86% of homes in Suffolk County
  • Among the largest lots in Suffolk County
  • Older than 98% of homes in Suffolk County

What homes are worth in Saint James 11780

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

This home
$449K$2.6M

This home is worth more than 82% of homes in Saint James 11780.

How it measures up in Saint James 11780

The dot is this home. The mark in the middle is the typical home in Saint James 11780.

Estimated value$1,300,185
CheaperTypical $849,990Pricier

Pricier than 82% of homes nearby

Price per ft²$504
CheaperTypical $455Pricier

Pricier than 67% of homes nearby

Living area2,580 ft²
SmallerTypical 2,170 ft²Bigger

Bigger than 66% of homes nearby

Lot size3.2 ac
SmallerTypical 0.48 acBigger

Bigger than 98% of homes nearby

Year built1917
OlderTypical 1972Newer

Newer than 3% of homes nearby

How 31 Harbor Ln ranks against every home in each area.
MeasureThis homeSaint James 11780Suffolk County
Estimated valuepricier than$1,300,18582% of homes87% of homes
Price per ft²pricier than$50467% of homes72% of homes
Living areabigger than2,580 ft²66% of homes86% of homes
Lot sizebigger than3.2 ac98% of homesalmost all homes
Year builtnewer than19173% of homes2% of homes

About 31 Harbor Ln

How much is 31 Harbor Ln, Saint James, NY worth?

The TopHap Estimate for 31 Harbor Ln, Saint James, NY is $1,300,185 as of Sep 24, 2026. The likely range is $1,202,190 to $1,398,180. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Harbor Ln, Saint James, NY last sell?

31 Harbor Ln, Saint James, NY last sold on May 3, 2022 for $5,000, according to the county's recorded deed.

How big is 31 Harbor Ln, Saint James, NY?

31 Harbor Ln, Saint James, NY has 4 bedrooms, 1.5 bathrooms and 2,580 square feet of living space.

When was 31 Harbor Ln, Saint James, NY built?

31 Harbor Ln, Saint James, NY was built in 1917, making it 109 years old. It is a colonial home. The building has 2 stories.

What schools serve 31 Harbor Ln, Saint James, NY?

31 Harbor Ln, Saint James, NY is assigned to Nesaquake Middle School (middle), rated A+; Smithtown High School East (high), rated A-; Saint James Elementary School (elementary), rated B. All sit in Smithtown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Harbor Ln, Saint James, NY compare to other homes in Saint James 11780?

Among the 5,604 homes in Saint James 11780, it is worth more than 82% of them ($1,300,185 against a typical $849,990), its price per square foot is higher than 67% of them ($504 against a typical $455), it is bigger than 66% of them (2,580 ft² against a typical 2,170 ft²), its lot is bigger than 98% of them (3.2 ac against a typical 0.48 ac) and it is newer than 3% of them (1917 against a typical 1972). Measured against all of Suffolk County, it is worth more than 87% 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 Harbor Ln, Saint James, NY?

The 2024 property tax bill for 31 Harbor Ln, Saint James, NY was $11,881. The county assessed it at $7,935.

More homes on Harbor Ln

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