Single Family ResidenceResidential
Last sold for $645,000 on Mar 18, 2026
77 WASHINGTON AVE
RIVERHEAD, NY 11901
0
Baths
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$645,000 · Mar 18, 2026
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.$45,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$38,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$638,028
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.25
PoolWhether the property has a pool, and what kind, such as in-ground.No
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.
HME
East Islip High SchoolB+
High · Grades 9–12 · 0.8 mi
East Islip Middle SchoolA
Middle · Grades 6–8 · 0.8 mi
Connetquot Elementary School
Elementary · Grades KG–2 · 1.4 mi
District: East Islip Union Free 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
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Claim this homeData 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
77 Washington 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.
How it measures up in Riverhead 11901
The dot is this home. The mark in the middle is the typical home in Riverhead 11901.
Lot size0.25 ac
SmallerTypical 0.31 acBigger
Bigger than 36% of homes nearby
| Measure | This home | Islip Terrace | Riverhead 11901 | Suffolk County |
|---|---|---|---|---|
| Lot sizebigger than | 0.25 ac | 62% of homes | 36% of homes | 46% of homes |
More homes on Washington Ave
- 519 Washington Ave$811K3 bd · 2 ba · 1,902 ft² · Sold $800K · Apr 2026
- 530 Washington Ave$290K1 bd · 1 ba · 1,360 ft² · Sold $280K · Aug 2025
- 224 Washington Ave$796K3 bd · 2 ba · 1,937 ft² · Sold $710K · Jul 2024
- 535 Washington Ave$495K2 bd · 1 ba · 1,284 ft² · Sold $450K · Aug 2023
- 70 Washington Ave0.5 ac · Sold $95K · Jul 2022
- 538 Washington Ave$327K3 bd · 2 ba · 912 ft² · Sold $339K · Nov 2021
- 337 Washington Ave$560K3 bd · 1 ba · 1,348 ft² · Sold $300K · Aug 2021
- 313 Washington Ave$686K4 bd · 1.5 ba · 1,290 ft² · Sold $575K · May 2021
- 172 Washington Ave$657K2 bd · 1.5 ba · 1,510 ft² · Sold $400K · Dec 2020
- 251 Washington Ave$791K3 bd · 3.5 ba · 1,839 ft² · Sold $410K · Aug 2020
- 105 Washington Ave$928K4 bd · 2 ba · 2,640 ft² · Sold $453K · Dec 2018
- 158 Washington Ave4 bd · 3 ba · 2,024 ft² · Sold $412K · Aug 2018
Closest homes
- 81 Washington Ave$733K72 ft · 0.25 ac · Sold Jan 1900
- 75 Washington Ave$619K73 ft · 0.25 ac · Sold Jan 1900
- 71 Washington Ave$963K147 ft · 0.25 ac · Sold $510K · Feb 2010
- 18 Mckinley St$611K165 ft · 0.17 ac · Sold $217K · Dec 2000
- 20 Mckinley St$642K165 ft · 0.17 ac · Sold $320K · Dec 2016
- 14 Mckinley St$696K159 ft · 0.34 ac · Sold $134K · Feb 1998
- 15 Cleveland St$806K152 ft · 0.45 ac · Sold $130K · Jul 1994
- 78 Washington Ave$552K175 ft · 0.17 ac · Sold Jan 1900
More homes in Riverhead 11901
- 2001 Willow Pond Dr1 bd · 1.5 ba · 1,298 ft² · Sold $465K · Sep 2026
- 34 Daly Ct$700K3 bd · 2 ba · 2,181 ft² · Sold $700K · Sep 2026
- 226 Maple Ave$444K3 bd · 1 ba · 1,488 ft² · Sold $395K · Sep 2026
- 914 Osborn Ave$377K2 bd · 1 ba · 1,400 ft² · Sold $375K · Sep 2026
- 630 Northville Tpke2 bd · 2 ba · 1,272 ft² · Sold $660K · Sep 2026
- 213 Herricks Ln$1.3M4 bd · 2 ba · 2,543 ft² · Sold $1.3M · Sep 2026
- 1039 Middle Rd$756K3 bd · 1.5 ba · 1,839 ft² · Sold $749K · Sep 2026
- 6 Smugglers Path$855K3 bd · 2 ba · 2,762 ft² · Sold $850K · Sep 2026
- 2746 Sound Ave4 bd · 2 ba · 2,950 ft² · Sold $1.6M · Sep 2026
- 59 Lockitt Dr$1.2M5 bd · 4 ba · 3,284 ft² · Sold $1.2M · Sep 2026
- 395 Stonecrop Rd$1M3 bd · 2.5 ba · 3,038 ft² · Sold $999K · Sep 2026
- 4 Cruise St$689K6 bd · 2 ba · 1,856 ft² · Sold $28K · Sep 2026
Assigned schools
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