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Single Family ResidenceResidential
$945,778$714 / 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 85How 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
Last sold for $370,000 on May 31, 2005

21 RIVER AVE

EASTPORT, NY 11941
4
Beds
0
Baths
1,324 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$946K
$806K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$370,000 · May 31, 2005
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.$753,778
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$603,022
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.24%
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.$192,000
EVERBANK · E · recorded Jan 4, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,613 (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.$403,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$170,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$640,476

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.Mobile Home
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.26
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.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.Inferior
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 490 ft²

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
Eastport Elementary SchoolB
Elementary · Grades 3–6 · 0.3 mi
M
Eastport-South Manor Jr/Sr High SchoolB+
Middle · Grades 7–12 · 5.1 mi

District: Eastport-South Manor Central School District

Neighborhood · ZIP 11941These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.88%
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.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.2,954
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.639 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,868
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,754
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.No

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

21 River 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 82% of homes in Eastport 11941
  • Costs more per square foot than 97% of homes in Eastport 11941
  • Smaller than 83% of homes in Eastport 11941
  • Newer than 79% of homes in Suffolk County

What homes are worth in Eastport 11941

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

This home
$457K$2.2M

This home is worth more than 82% of homes in Eastport 11941.

How it measures up in Eastport 11941

The dot is this home. The mark in the middle is the typical home in Eastport 11941.

Estimated value$945,778
CheaperTypical $767,798Pricier

Pricier than 82% of homes nearby

Price per ft²$714
CheaperTypical $392Pricier

Pricier than 97% of homes nearby

Living area1,324 ft²
SmallerTypical 2,044 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.26 ac
SmallerTypical 0.48 acBigger

Bigger than 38% of homes nearby

Year built1993
OlderTypical 1999Newer

Newer than 43% of homes nearby

How 21 River Ave ranks against every home in each area.
MeasureThis homeEastport 11941Suffolk County
Estimated valuepricier than$945,77882% of homes77% of homes
Price per ft²pricier than$71497% of homes89% of homes
Living areabigger than1,324 ft²17% of homes30% of homes
Lot sizebigger than0.26 ac38% of homes47% of homes
Year builtnewer than199343% of homes79% of homes

About 21 River Ave

How much is 21 River Ave, Eastport, NY worth?

The TopHap Estimate for 21 River Ave, Eastport, NY is $945,778 as of Jul 14, 2026. The likely range is $806,265 to $1,085,291. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 River Ave, Eastport, NY last sell?

21 River Ave, Eastport, NY last sold on May 31, 2005 for $370,000, according to the county's recorded deed.

How big is 21 River Ave, Eastport, NY?

21 River Ave, Eastport, NY has 4 bedrooms, 1,324 square feet of living space and a 0.26-acre lot.

When was 21 River Ave, Eastport, NY built?

21 River Ave, Eastport, NY was built in 1993, making it 33 years old. It is a mobile home home. The building has 1 story.

What schools serve 21 River Ave, Eastport, NY?

21 River Ave, Eastport, NY is assigned to Eastport Elementary School (elementary), rated B; Eastport-South Manor Jr/Sr High School (middle), rated B+. All sit in Eastport-South Manor Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 River Ave, Eastport, NY compare to other homes in Eastport 11941?

Among the 1,176 homes in Eastport 11941, it is worth more than 82% of them ($945,778 against a typical $767,798), its price per square foot is higher than 97% of them ($714 against a typical $392), it is bigger than 17% of them (1,324 ft² against a typical 2,044 ft²), its lot is bigger than 38% of them (0.26 ac against a typical 0.48 ac) and it is newer than 43% of them (1993 against a typical 1999). Measured against all of Suffolk County, it is worth more than 77% 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 21 River Ave, Eastport, NY?

The 2024 property tax bill for 21 River Ave, Eastport, NY was $9,613. The county assessed it at $403,500.

Closest homes

More homes in Eastport 11941

Assigned schools

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