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Duplex (2 Units, Any Combination)Residential
Last sold for $515,000 on Apr 10, 2026

4006 SAINT ANDREWS AVE

RIVERHEAD, NY 11901
2
Beds
1.5
Baths
284 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$515,000 · Apr 10, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,539 (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.$26,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$324,755

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 72 ft²

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 · 1.6 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 1.7 mi
E
Roanoke Avenue SchoolF
Elementary · Grades PK–4 · 2.1 mi

District: Riverhead Central School District

Neighborhood · ZIP 11901These 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.129
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 100.50

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.29,638
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,609
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,711
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

4006 Saint Andrews 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.

  • Among the smallest homes in Suffolk County
  • Has a smaller lot than 74% of homes in Riverhead 11901
  • Newer than 93% of homes in Suffolk County

How it measures up in Riverhead 11901

The dot is this home. The mark in the middle is the typical home in Riverhead 11901.

Living area284 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.22 ac
SmallerTypical 0.31 acBigger

Bigger than 26% of homes nearby

Year built2005
OlderTypical 1991Newer

Newer than 87% of homes nearby

How 4006 Saint Andrews Ave ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Living areabigger than284 ft²5% of homes2% of homesalmost no homes
Lot sizebigger than0.22 ac30% of homes26% of homes31% of homes
Year builtnewer than200589% of homes87% of homes93% of homes

About 4006 Saint Andrews Ave

When did 4006 Saint Andrews Ave, Riverhead, NY last sell?

4006 Saint Andrews Ave, Riverhead, NY last sold on Apr 10, 2026 for $515,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4006 Saint Andrews Ave, Riverhead, NY?

4006 Saint Andrews Ave, Riverhead, NY has 2 bedrooms, 1.5 bathrooms, 284 square feet of living space and a 0.22-acre lot.

When was 4006 Saint Andrews Ave, Riverhead, NY built?

4006 Saint Andrews Ave, Riverhead, NY was built in 2005, making it 21 years old. It is a duplex single home. The building has 2 stories.

What schools serve 4006 Saint Andrews Ave, Riverhead, NY?

4006 Saint Andrews Ave, Riverhead, NY is assigned to Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated C+; Roanoke 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 4006 Saint Andrews Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,726 homes in Riverhead 11901, it is bigger than 2% of them (284 ft² against a typical 1,383 ft²), its lot is bigger than 26% of them (0.22 ac against a typical 0.31 ac) and it is newer than 87% of them (2005 against a typical 1991). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4006 Saint Andrews Ave, Riverhead, NY?

The 2024 property tax bill for 4006 Saint Andrews Ave, Riverhead, NY was $3,539. The county assessed it at $26,500.

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