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Single Family ResidenceResidential
$1,259,251$448 / 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 97How 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 $847,500 on Aug 25, 2020

9 CLIFFSIDE DR

PORT JEFFERSON, NY 11777
4
Beds
2
Baths
2,810 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.
2.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.3M
$1.2M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$847,500 · Aug 25, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,641 (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.$6,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,312,499

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
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
ViewThe type of view from the property, or another feature of the site that affects value.Lake Front

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
Edna Louise Spear Elementary SchoolB-
Elementary · Grades PK–5 · 1.7 mi
M
Port Jefferson Middle SchoolA-
Middle · Grades 6–8 · 1.9 mi
H
Earl L. Vandermeulen High SchoolA
High · Grades 9–12 · 1.9 mi

District: Port Jefferson Union Free School District

Neighborhood · ZIP 11777These 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.115
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 100.64

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.9,385
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,425 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$141,195
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,265
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

9 Cliffside Dr 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 86% of homes in Port Jefferson 11777
  • Costs more per square foot than 65% of homes in Port Jefferson 11777
  • Bigger than 90% of homes in Suffolk County
  • Among the largest lots in Port Jefferson 11777
  • Older than 72% of homes in Suffolk County

What homes are worth in Port Jefferson 11777

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

This home
$429K$3.3M

This home is worth more than 86% of homes in Port Jefferson 11777.

How it measures up in Port Jefferson 11777

The dot is this home. The mark in the middle is the typical home in Port Jefferson 11777.

Estimated value$1,259,251
CheaperTypical $807,797Pricier

Pricier than 86% of homes nearby

Price per ft²$448
CheaperTypical $404Pricier

Pricier than 65% of homes nearby

Living area2,810 ft²
SmallerTypical 2,268 ft²Bigger

Bigger than 68% of homes nearby

Lot size2.12 ac
SmallerTypical 0.41 acBigger

Bigger than almost all homes nearby

Year built1958
OlderTypical 1967Newer

Newer than 36% of homes nearby

How 9 Cliffside Dr ranks against every home in each area.
MeasureThis homePort Jefferson 11777Suffolk County
Estimated valuepricier than$1,259,25186% of homes85% of homes
Price per ft²pricier than$44865% of homes61% of homes
Living areabigger than2,810 ft²68% of homes90% of homes
Lot sizebigger than2.12 acalmost all homes98% of homes
Year builtnewer than195836% of homes28% of homes

About 9 Cliffside Dr

How much is 9 Cliffside Dr, Port Jefferson, NY worth?

The TopHap Estimate for 9 Cliffside Dr, Port Jefferson, NY is $1,259,251 as of Sep 24, 2026. The likely range is $1,220,185 to $1,298,317. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Cliffside Dr, Port Jefferson, NY last sell?

9 Cliffside Dr, Port Jefferson, NY last sold on Aug 25, 2020 for $847,500, according to the county's recorded deed.

How big is 9 Cliffside Dr, Port Jefferson, NY?

9 Cliffside Dr, Port Jefferson, NY has 4 bedrooms, 2 bathrooms and 2,810 square feet of living space.

When was 9 Cliffside Dr, Port Jefferson, NY built?

9 Cliffside Dr, Port Jefferson, NY was built in 1958, making it 68 years old. It is a colonial home. The building has 2 stories.

What schools serve 9 Cliffside Dr, Port Jefferson, NY?

9 Cliffside Dr, Port Jefferson, NY is assigned to Edna Louise Spear Elementary School (elementary), rated B-; Port Jefferson Middle School (middle), rated A-; Earl L. Vandermeulen High School (high), rated A. All sit in Port Jefferson Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 Cliffside Dr, Port Jefferson, NY compare to other homes in Port Jefferson 11777?

Among the 3,398 homes in Port Jefferson 11777, it is worth more than 86% of them ($1,259,251 against a typical $807,797), its price per square foot is higher than 65% of them ($448 against a typical $404), it is bigger than 68% of them (2,810 ft² against a typical 2,268 ft²), its lot is bigger than almost all of them (2.12 ac against a typical 0.41 ac) and it is newer than 36% of them (1958 against a typical 1967). Measured against all of Suffolk County, it is worth more than 85% 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 9 Cliffside Dr, Port Jefferson, NY?

The 2024 property tax bill for 9 Cliffside Dr, Port Jefferson, NY was $19,641. The county assessed it at $6,300.

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