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Single Family ResidenceResidential
$2,751,944$662 / 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 93How 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 $1,550,000 on Sep 8, 2011

21 HARBOR LN

SAINT JAMES, NY 11780
4
Beds
3
Baths
4,158 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.
1.41 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.8M
$2.6M low$2.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,550,000 · Sep 8, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,755 (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.$1,709,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$827,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$882,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,713,492

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.102 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.96%
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.1 percent flood zone

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.Mobile Home
CountySUFFOLK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2006
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
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.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 1,036 ft²

Transaction History(2)

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
East Quogue SchoolB+
Elementary · Grades KG–6 · 0.7 mi
H
Westhampton Beach High SchoolB
High · Grades 9–12 · 4.4 mi
M
Westhampton Beach Middle SchoolA
Middle · Grades 6–8 · 4.6 mi

District: East Quogue Union Free 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%

Owner Tools

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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 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 98% of homes in Saint James 11780
  • Costs more per square foot than 88% of homes in Saint James 11780
  • Bigger than 97% of homes in Suffolk County
  • Has a bigger lot than 96% of homes in Suffolk County
  • Newer than 94% of homes in Saint James 11780

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
$453K$2.7M

This home is worth more than 98% 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$2,751,944
CheaperTypical $848,877Pricier

Pricier than 98% of homes nearby

Price per ft²$662
CheaperTypical $454Pricier

Pricier than 88% of homes nearby

Living area4,158 ft²
SmallerTypical 2,169 ft²Bigger

Bigger than 92% of homes nearby

Lot size1.41 ac
SmallerTypical 0.47 acBigger

Bigger than 82% of homes nearby

Year built2004
OlderTypical 1972Newer

Newer than 94% of homes nearby

How 21 Harbor Ln ranks against every home in each area.
MeasureThis homeEast QuogueSaint James 11780Suffolk County
Estimated valuepricier than$2,751,94495% of homes98% of homes95% of homes
Price per ft²pricier than$66250% of homes88% of homes87% of homes
Living areabigger than4,158 ft²94% of homes92% of homes97% of homes
Lot sizebigger than1.41 ac92% of homes82% of homes96% of homes
Year builtnewer than200472% of homes94% of homes92% of homes

About 21 Harbor Ln

How much is 21 Harbor Ln, Saint James, NY worth?

The TopHap Estimate for 21 Harbor Ln, Saint James, NY is $2,751,944 as of Sep 24, 2026. The likely range is $2,566,445 to $2,937,443. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Harbor Ln, Saint James, NY last sell?

21 Harbor Ln, Saint James, NY last sold on Sep 8, 2011 for $1,550,000, according to the county's recorded deed.

How big is 21 Harbor Ln, Saint James, NY?

21 Harbor Ln, Saint James, NY has 4 bedrooms, 3 bathrooms and 4,158 square feet of living space.

When was 21 Harbor Ln, Saint James, NY built?

21 Harbor Ln, Saint James, NY was built in 2004, making it 22 years old. It is a mobile home home. The building has 1 story.

What schools serve 21 Harbor Ln, Saint James, NY?

21 Harbor Ln, Saint James, NY is assigned to East Quogue School (elementary), rated B+; Westhampton Beach High School (high), rated B; Westhampton Beach Middle School (middle), rated A. All sit in East Quogue Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Harbor Ln, Saint James, NY compare to other homes in Saint James 11780?

Among the 5,598 homes in Saint James 11780, it is worth more than 98% of them ($2,751,944 against a typical $848,877), its price per square foot is higher than 88% of them ($662 against a typical $454), it is bigger than 92% of them (4,158 ft² against a typical 2,169 ft²), its lot is bigger than 82% of them (1.41 ac against a typical 0.47 ac) and it is newer than 94% of them (2004 against a typical 1972). Measured against all of Suffolk County, it is worth more than 95% 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 Harbor Ln, Saint James, NY?

The 2024 property tax bill for 21 Harbor Ln, Saint James, NY was $22,755. The county assessed it at $1,709,500.

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