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Single Family ResidenceResidential
$2,990,000$632 / 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 Sep 24, 2026
Last sold for $2,100,000 on Apr 7, 2023

3172 SOUND AVE

RIVERHEAD, NY 11901
4
Beds
5
Baths
4,734 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$3M
$2.5M low$3.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,100,000 · Apr 7, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$36,330 (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.$183,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$169,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,245,098

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.84 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.minimal

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.Contemporary
CountySUFFOLK
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 1,536 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.

E
Riley Avenue SchoolC-
Elementary · Grades PK–4 · 2.5 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 3.8 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 3.9 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

3172 Sound 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 most valuable homes in Baiting Hollow
  • Costs more per square foot than 93% of homes in Riverhead 11901
  • Among the largest homes in Baiting Hollow
  • Has a bigger lot than 92% of homes in Baiting Hollow
  • Newer than 94% of homes in Baiting Hollow

What homes are worth in Riverhead 11901

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

This home
$339K$1.9M

This home is worth more than almost all homes in Riverhead 11901.

How it measures up in Riverhead 11901

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

Estimated value$2,990,000
CheaperTypical $607,454Pricier

Pricier than almost all homes nearby

Price per ft²$632
CheaperTypical $405Pricier

Pricier than 93% of homes nearby

Living area4,734 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than almost all homes nearby

Lot size1 ac
SmallerTypical 0.31 acBigger

Bigger than 92% of homes nearby

Year built2004
OlderTypical 1991Newer

Newer than 84% of homes nearby

How 3172 Sound Ave ranks against every home in each area.
MeasureThis homeBaiting HollowRiverhead 11901Suffolk County
Estimated valuepricier than$2,990,000almost all homesalmost all homes96% of homes
Price per ft²pricier than$63285% of homes93% of homes85% of homes
Living areabigger than4,734 ft²almost all homesalmost all homes98% of homes
Lot sizebigger than1 ac92% of homes92% of homes92% of homes
Year builtnewer than200494% of homes84% of homes92% of homes

About 3172 Sound Ave

How much is 3172 Sound Ave, Riverhead, NY worth?

The TopHap Estimate for 3172 Sound Ave, Riverhead, NY is $2,990,000 as of Sep 24, 2026. The likely range is $2,546,408 to $3,433,592. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3172 Sound Ave, Riverhead, NY last sell?

3172 Sound Ave, Riverhead, NY last sold on Apr 7, 2023 for $2,100,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3172 Sound Ave, Riverhead, NY?

3172 Sound Ave, Riverhead, NY has 4 bedrooms, 5 bathrooms and 4,734 square feet of living space.

When was 3172 Sound Ave, Riverhead, NY built?

3172 Sound Ave, Riverhead, NY was built in 2004, making it 22 years old. It is a contemporary home. The building has 2 stories.

What schools serve 3172 Sound Ave, Riverhead, NY?

3172 Sound Ave, Riverhead, NY is assigned to Riley Avenue School (elementary), rated C-; Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated C+. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3172 Sound Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,726 homes in Riverhead 11901, it is worth more than almost all of them ($2,990,000 against a typical $607,454), its price per square foot is higher than 93% of them ($632 against a typical $405), it is bigger than almost all of them (4,734 ft² against a typical 1,383 ft²), its lot is bigger than 92% of them (1 ac against a typical 0.31 ac) and it is newer than 84% of them (2004 against a typical 1991). Measured against all of Suffolk County, it is worth more than 96% 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 3172 Sound Ave, Riverhead, NY?

The 2024 property tax bill for 3172 Sound Ave, Riverhead, NY was $36,330. The county assessed it at $183,200.

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