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Single Family ResidenceResidential
$674,591$415 / 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 Aug 30, 2026
Last sold for $565,000 on Oct 8, 2021

18 ROBERTA AVE

FARMINGVILLE, NY 11738
4
Beds
2
Baths
1,624 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$675K
$636K low$714K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$565,000 · Oct 8, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,404 (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.$3,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$375
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,725
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$645,833

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.Colonial
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.33
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.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Lynwood Avenue Elementary SchoolC-
Elementary · Grades KG–5 · 1.2 mi
M
Sagamore Middle SchoolB
Middle · Grades 6–8 · 1.6 mi
H
Sachem High School EastB+
High · Grades 9–12 · 1.7 mi

District: Sachem Central School District

Neighborhood · ZIP 11738These 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.36
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.16,570
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,262 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,315
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,500
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

18 Roberta 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 71% of homes in Farmingville 11738
  • Costs more per square foot than 71% of homes in Farmingville 11738

What homes are worth in Farmingville 11738

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

This home
$371K$925K

This home is worth more than 71% of homes in Farmingville 11738.

How it measures up in Farmingville 11738

The dot is this home. The mark in the middle is the typical home in Farmingville 11738.

Estimated value$674,591
CheaperTypical $618,136Pricier

Pricier than 71% of homes nearby

Price per ft²$415
CheaperTypical $351Pricier

Pricier than 71% of homes nearby

Living area1,624 ft²
SmallerTypical 1,800 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.33 ac
SmallerTypical 0.31 acBigger

Bigger than 54% of homes nearby

Year built1971
OlderTypical 1970Newer

Newer than 62% of homes nearby

How 18 Roberta Ave ranks against every home in each area.
MeasureThis homeFarmingville 11738Suffolk County
Estimated valuepricier than$674,59171% of homes46% of homes
Price per ft²pricier than$41571% of homes52% of homes
Living areabigger than1,624 ft²40% of homes47% of homes
Lot sizebigger than0.33 ac54% of homes57% of homes
Year builtnewer than197162% of homes53% of homes

About 18 Roberta Ave

How much is 18 Roberta Ave, Farmingville, NY worth?

The TopHap Estimate for 18 Roberta Ave, Farmingville, NY is $674,591 as of Aug 30, 2026. The likely range is $635,575 to $713,607. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Roberta Ave, Farmingville, NY last sell?

18 Roberta Ave, Farmingville, NY last sold on Oct 8, 2021 for $565,000, according to the county's recorded deed.

How big is 18 Roberta Ave, Farmingville, NY?

18 Roberta Ave, Farmingville, NY has 4 bedrooms, 2 bathrooms, 1,624 square feet of living space and a 0.33-acre lot.

When was 18 Roberta Ave, Farmingville, NY built?

18 Roberta Ave, Farmingville, NY was built in 1971, making it 55 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 Roberta Ave, Farmingville, NY?

18 Roberta Ave, Farmingville, NY is assigned to Lynwood Avenue Elementary School (elementary), rated C-; Sagamore Middle School (middle), rated B; Sachem High School East (high), rated B+. All sit in Sachem Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Roberta Ave, Farmingville, NY compare to other homes in Farmingville 11738?

Among the 4,630 homes in Farmingville 11738, it is worth more than 71% of them ($674,591 against a typical $618,136), its price per square foot is higher than 71% of them ($415 against a typical $351), it is bigger than 40% of them (1,624 ft² against a typical 1,800 ft²), its lot is bigger than 54% of them (0.33 ac against a typical 0.31 ac) and it is newer than 62% of them (1971 against a typical 1970). Measured against all of Suffolk County, it is worth more than 46% 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 18 Roberta Ave, Farmingville, NY?

The 2024 property tax bill for 18 Roberta Ave, Farmingville, NY was $12,404. The county assessed it at $3,100.

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