Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$476,912
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 91How 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 $7,500 on May 27, 1994

155 OAK AVE

RIVERHEAD, NY 11901
0
Baths
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$477K
$435K low$519K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$7,500 · May 27, 1994

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$44,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$70,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.13
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.Shed · 200 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
Phillips Avenue SchoolD-
Elementary · Grades PK–4 · 1.2 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 2.8 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 3.0 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%

Owner Tools

Do you own this home?
Claim this home

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

155 Oak 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 less than 92% of homes in Suffolk County
  • Has a smaller lot than 96% of homes in Flanders

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
$357K$1.8M

This home is worth more than 19% of 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$476,912
CheaperTypical $634,855Pricier

Pricier than 19% of homes nearby

Lot size0.13 ac
SmallerTypical 0.31 acBigger

Bigger than 5% of homes nearby

How 155 Oak Ave ranks against every home in each area.
MeasureThis homeFlandersRiverhead 11901Suffolk County
Estimated valuepricier than$476,91242% of homes19% of homes8% of homes
Lot sizebigger than0.13 ac4% of homes5% of homes12% of homes

About 155 Oak Ave

How much is 155 Oak Ave, Riverhead, NY worth?

The TopHap Estimate for 155 Oak Ave, Riverhead, NY is $476,912 as of Jul 14, 2026. The likely range is $434,564 to $519,260. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 155 Oak Ave, Riverhead, NY last sell?

155 Oak Ave, Riverhead, NY last sold on May 27, 1994 for $7,500, according to the county's recorded deed.

What schools serve 155 Oak Ave, Riverhead, NY?

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

How does 155 Oak Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,718 homes in Riverhead 11901, it is worth more than 19% of them ($476,912 against a typical $634,855) and its lot is bigger than 5% of them (0.13 ac against a typical 0.31 ac). Measured against all of Suffolk County, it is worth more than 8% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Oak Ave

Closest homes

More homes in Riverhead 11901

Assigned schools

Explore the area

See this home in context

Open 155 Oak Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map