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Single Family ResidenceResidential
$1,079,639
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 82How 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

42 ROSEVILLE AVE

SAINT JAMES, NY 11780
0
Baths
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.1M
$890K low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,549 (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.$8,625 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$195
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,430
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,078,125

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.36
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
Smithtown High School EastA-
High · Grades 9–12 · 0.3 mi
M
Nesaquake Middle SchoolA+
Middle · Grades 6–8 · 1.0 mi
E
Dogwood Elementary SchoolB+
Elementary · Grades KG–5 · 1.1 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

42 Roseville 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 88% of homes in St. James

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
$446K$2.7M

This home is worth more than 70% 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$1,079,639
CheaperTypical $849,718Pricier

Pricier than 70% of homes nearby

Lot size0.36 ac
SmallerTypical 0.48 acBigger

Bigger than 43% of homes nearby

How 42 Roseville Ave ranks against every home in each area.
MeasureThis homeSt. JamesSaint James 11780Suffolk County
Estimated valuepricier than$1,079,63988% of homes70% of homes81% of homes
Lot sizebigger than0.36 ac63% of homes43% of homes62% of homes

About 42 Roseville Ave

How much is 42 Roseville Ave, Saint James, NY worth?

The TopHap Estimate for 42 Roseville Ave, Saint James, NY is $1,079,639 as of Sep 24, 2026. The likely range is $889,917 to $1,269,361. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Roseville Ave, Saint James, NY last sell?

42 Roseville Ave, Saint James, NY last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 42 Roseville Ave, Saint James, NY?

42 Roseville Ave, Saint James, NY is assigned to Smithtown High School East (high), rated A-; Nesaquake Middle School (middle), rated A+; Dogwood 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 42 Roseville Ave, 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 70% of them ($1,079,639 against a typical $849,718) and its lot is bigger than 43% of them (0.36 ac against a typical 0.48 ac). Measured against all of Suffolk County, it is worth more than 81% 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 42 Roseville Ave, Saint James, NY?

The 2024 property tax bill for 42 Roseville Ave, Saint James, NY was $21,549. The county assessed it at $8,625.

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Closest homes

More homes in Saint James 11780

Assigned schools

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