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Single Family ResidenceResidential
$690,781$409 / 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 96How 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 $425,000 on Jul 8, 2019

13 S RIVER RD

CALVERTON, NY 11933
2
Beds
2
Baths
1,690 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$691K
$663K low$718K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$425,000 · Jul 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,758 (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.$3,355 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,055
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$698,958

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.68 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Ranch
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.50
HeatingThe type of heating system in the home.Radiant
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 2.4 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 2.5 mi
E
Phillips Avenue SchoolF
Elementary · Grades PK–4 · 3.5 mi

District: Riverhead Central School District

Neighborhood · ZIP 11933These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.7,951
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.255 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,217
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,791
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

13 S River Rd 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 69% of homes in Calverton
  • Costs more per square foot than 69% of homes in Calverton
  • Has a bigger lot than 76% of homes in Suffolk County
  • Older than 77% of homes in Calverton

What homes are worth in Calverton 11933

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

This home
$285K$2M

This home is worth more than 59% of homes in Calverton 11933.

How it measures up in Calverton 11933

The dot is this home. The mark in the middle is the typical home in Calverton 11933.

Estimated value$690,781
CheaperTypical $647,432Pricier

Pricier than 59% of homes nearby

Price per ft²$409
CheaperTypical $376Pricier

Pricier than 63% of homes nearby

Living area1,690 ft²
SmallerTypical 1,438 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.5 ac
SmallerTypical 0.46 acBigger

Bigger than 56% of homes nearby

Year built1968
OlderTypical 1984Newer

Newer than 26% of homes nearby

How 13 S River Rd ranks against every home in each area.
MeasureThis homeCalvertonCalverton 11933Suffolk County
Estimated valuepricier than$690,78169% of homes59% of homes50% of homes
Price per ft²pricier than$40969% of homes63% of homes49% of homes
Living areabigger than1,690 ft²53% of homes60% of homes50% of homes
Lot sizebigger than0.5 ac46% of homes56% of homes76% of homes
Year builtnewer than196823% of homes26% of homes47% of homes

About 13 S River Rd

How much is 13 S River Rd, Calverton, NY worth?

The TopHap Estimate for 13 S River Rd, Calverton, NY is $690,781 as of Sep 24, 2026. The likely range is $663,114 to $718,448. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 13 S River Rd, Calverton, NY last sell?

13 S River Rd, Calverton, NY last sold on Jul 8, 2019 for $425,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 13 S River Rd, Calverton, NY?

13 S River Rd, Calverton, NY has 2 bedrooms, 2 bathrooms, 1,690 square feet of living space and a 0.50-acre lot.

When was 13 S River Rd, Calverton, NY built?

13 S River Rd, Calverton, NY was built in 1968, making it 58 years old. It is a ranch home. The building has 1 story.

What schools serve 13 S River Rd, Calverton, NY?

13 S River Rd, Calverton, NY is assigned to Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated C+; Phillips Avenue School (elementary), rated F. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 13 S River Rd, Calverton, NY compare to other homes in Calverton 11933?

Among the 2,899 homes in Calverton 11933, it is worth more than 59% of them ($690,781 against a typical $647,432), its price per square foot is higher than 63% of them ($409 against a typical $376), it is bigger than 60% of them (1,690 ft² against a typical 1,438 ft²), its lot is bigger than 56% of them (0.5 ac against a typical 0.46 ac) and it is newer than 26% of them (1968 against a typical 1984). Measured against all of Suffolk County, it is worth more than 50% 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 13 S River Rd, Calverton, NY?

The 2024 property tax bill for 13 S River Rd, Calverton, NY was $10,758. The county assessed it at $3,355.

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