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Residential (General/Single)Residential
$639,536
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 90How 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

1089 HARRISON AVE

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

Valuation

$640K
$576K low$703K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,486 (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.$12,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$155,637

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.0.45
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

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.

H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 0.7 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 0.9 mi
E
Riley Avenue SchoolD
Elementary · Grades PK–4 · 2.8 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

1089 Harrison 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.

  • Has a bigger lot than 76% of homes in Riverhead

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
$353K$1.7M

This home is worth more than 51% 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$639,536
CheaperTypical $633,868Pricier

Pricier than 51% of homes nearby

Lot size0.45 ac
SmallerTypical 0.32 acBigger

Bigger than 64% of homes nearby

How 1089 Harrison Ave ranks against every home in each area.
MeasureThis homeRiverheadRiverhead 11901Suffolk County
Estimated valuepricier than$639,53659% of homes51% of homes37% of homes
Lot sizebigger than0.45 ac76% of homes64% of homes70% of homes

About 1089 Harrison Ave

How much is 1089 Harrison Ave, Riverhead, NY worth?

The TopHap Estimate for 1089 Harrison Ave, Riverhead, NY is $639,536 as of Jul 14, 2026. The likely range is $576,374 to $702,698. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1089 Harrison Ave, Riverhead, NY last sell?

1089 Harrison Ave, Riverhead, NY last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 1089 Harrison Ave, Riverhead, NY?

1089 Harrison Ave, Riverhead, NY is assigned to Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated D; Riley Avenue School (elementary), rated D. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1089 Harrison Ave, Riverhead, NY compare to other homes in Riverhead 11901?

Among the 9,718 homes in Riverhead 11901, it is worth more than 51% of them ($639,536 against a typical $633,868) and its lot is bigger than 64% of them (0.45 ac against a typical 0.32 ac). Measured against all of Suffolk County, it is worth more than 37% 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 1089 Harrison Ave, Riverhead, NY?

The 2024 property tax bill for 1089 Harrison Ave, Riverhead, NY was $2,486. The county assessed it at $12,700.

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Assigned schools

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