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Single Family ResidenceResidential
$474,818$724 / 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 Jul 14, 2026

100 ROSEMARY LN

CENTEREACH, NY 11720
2
Beds
1
Baths
656 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$475K
$444K low$506K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$280,222
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$224,178
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.54%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$194,596
J P MORGAN CHASE BANK · recorded Aug 10, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,676 (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.$1,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$270,833

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.0.19
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(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
Jericho Elementary SchoolD+
Elementary · Grades KG–9 · 0.7 mi
H
Centereach High SchoolB
High · Grades 8–12 · 2.0 mi
M
Dawnwood Middle SchoolC
Middle · Grades 6–8 · 2.1 mi

District: Middle Country Central School District

Neighborhood · ZIP 11720These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.28,643
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,486 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,063
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,246
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

100 Rosemary 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 less than 96% of homes in Centereach 11720
  • Among the highest price per square foot in Centereach 11720
  • Among the smallest homes in Centereach 11720
  • Has a smaller lot than 91% of homes in Centereach 11720
  • Older than 87% of homes in Centereach 11720

What homes are worth in Centereach 11720

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

This home
$447K$1M

This home is worth more than 4% of homes in Centereach 11720.

How it measures up in Centereach 11720

The dot is this home. The mark in the middle is the typical home in Centereach 11720.

Estimated value$474,818
CheaperTypical $634,862Pricier

Pricier than 4% of homes nearby

Price per ft²$724
CheaperTypical $388Pricier

Pricier than almost all homes nearby

Living area656 ft²
SmallerTypical 1,644 ft²Bigger

Smaller than almost all homes nearby

Lot size0.19 ac
SmallerTypical 0.31 acBigger

Bigger than 9% of homes nearby

Year built1954
OlderTypical 1965Newer

Newer than 13% of homes nearby

How 100 Rosemary Ln ranks against every home in each area.
MeasureThis homeCentereach 11720Suffolk County
Estimated valuepricier than$474,8184% of homes8% of homes
Price per ft²pricier than$724almost all homes90% of homes
Living areabigger than656 ft²almost no homes2% of homes
Lot sizebigger than0.19 ac9% of homes25% of homes
Year builtnewer than195413% of homes20% of homes

About 100 Rosemary Ln

How much is 100 Rosemary Ln, Centereach, NY worth?

The TopHap Estimate for 100 Rosemary Ln, Centereach, NY is $474,818 as of Jul 14, 2026. The likely range is $443,954 to $505,682. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Rosemary Ln, Centereach, NY last sell?

100 Rosemary Ln, Centereach, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 100 Rosemary Ln, Centereach, NY?

100 Rosemary Ln, Centereach, NY has 2 bedrooms, 1 bathrooms, 656 square feet of living space and a 0.19-acre lot.

When was 100 Rosemary Ln, Centereach, NY built?

100 Rosemary Ln, Centereach, NY was built in 1954, making it 72 years old. It is a ranch home. The building has 1 story.

What schools serve 100 Rosemary Ln, Centereach, NY?

100 Rosemary Ln, Centereach, NY is assigned to Jericho Elementary School (elementary), rated D+; Centereach High School (high), rated B; Dawnwood Middle School (middle), rated C. All sit in Middle Country Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Rosemary Ln, Centereach, NY compare to other homes in Centereach 11720?

Among the 8,535 homes in Centereach 11720, it is worth more than 4% of them ($474,818 against a typical $634,862), its price per square foot is higher than almost all of them ($724 against a typical $388), it is bigger than almost none of them (656 ft² against a typical 1,644 ft²), its lot is bigger than 9% of them (0.19 ac against a typical 0.31 ac) and it is newer than 13% of them (1954 against a typical 1965). Measured against all of Suffolk County, it is worth more than 8% 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 100 Rosemary Ln, Centereach, NY?

The 2024 property tax bill for 100 Rosemary Ln, Centereach, NY was $3,676. The county assessed it at $1,300.

Closest homes

More homes in Centereach 11720

Assigned schools

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