Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$3,500,557$785 / 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 86How 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 $659,000 on Jan 18, 2023

9 MILL RD

RIVERHEAD, NY 11901
6
Beds
2
Baths
4,460 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.
1.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$3.5M
$3M low$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.$659,000 · Jan 18, 2023

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.$1,899,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$520,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,379,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,015,238

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.Mobile Home
CountySUFFOLK
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
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.Patio · 1,200 ft²Porch · 1,052 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
Remsenburg-Speonk Elementary SchoolB-
Elementary · Grades KG–6 · 0.1 mi
M
Westhampton Beach Middle SchoolA
Middle · Grades 6–8 · 2.3 mi
H
Westhampton Beach High SchoolA-
High · Grades 9–12 · 2.4 mi

District: Westhampton Beach 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

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

9 Mill Rd 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 Riverhead 11901
  • Costs more per square foot than 97% of homes in Riverhead 11901
  • Among the largest homes in Riverhead 11901
  • Has a bigger lot than 94% of homes in Riverhead 11901
  • Newer than 97% of homes in Suffolk County

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$3,500,557
CheaperTypical $607,454Pricier

Pricier than almost all homes nearby

Price per ft²$785
CheaperTypical $405Pricier

Pricier than 97% of homes nearby

Living area4,460 ft²
SmallerTypical 1,383 ft²Bigger

Bigger than almost all homes nearby

Lot size1.15 ac
SmallerTypical 0.31 acBigger

Bigger than 94% of homes nearby

Year built2012
OlderTypical 1991Newer

Newer than 94% of homes nearby

How 9 Mill Rd ranks against every home in each area.
MeasureThis homeRemsenburg & SpeonkRiverhead 11901Suffolk County
Estimated valuepricier than$3,500,55792% of homesalmost all homes97% of homes
Price per ft²pricier than$78569% of homes97% of homes90% of homes
Living areabigger than4,460 ft²88% of homesalmost all homes98% of homes
Lot sizebigger than1.15 ac80% of homes94% of homes94% of homes
Year builtnewer than201289% of homes94% of homes97% of homes

About 9 Mill Rd

How much is 9 Mill Rd, Riverhead, NY worth?

The TopHap Estimate for 9 Mill Rd, Riverhead, NY is $3,500,557 as of Sep 24, 2026. The likely range is $3,025,556 to $3,975,558. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Mill Rd, Riverhead, NY last sell?

9 Mill Rd, Riverhead, NY last sold on Jan 18, 2023 for $659,000, according to the county's recorded deed.

How big is 9 Mill Rd, Riverhead, NY?

9 Mill Rd, Riverhead, NY has 6 bedrooms, 2 bathrooms and 4,460 square feet of living space.

When was 9 Mill Rd, Riverhead, NY built?

9 Mill Rd, Riverhead, NY was built in 2012, making it 14 years old. It is a mobile home home. The building has 1 story.

What schools serve 9 Mill Rd, Riverhead, NY?

9 Mill Rd, Riverhead, NY is assigned to Remsenburg-Speonk Elementary School (elementary), rated B-; Westhampton Beach Middle School (middle), rated A; Westhampton Beach High School (high), rated A-. All sit in Westhampton Beach Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 Mill Rd, 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 ($3,500,557 against a typical $607,454), its price per square foot is higher than 97% of them ($785 against a typical $405), it is bigger than almost all of them (4,460 ft² against a typical 1,383 ft²), its lot is bigger than 94% of them (1.15 ac against a typical 0.31 ac) and it is newer than 94% of them (2012 against a typical 1991). Measured against all of Suffolk County, it is worth more than 97% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Mill Rd

Closest homes

More homes in Riverhead 11901

Assigned schools

Explore the area

See this home in context

Open 9 Mill Rd 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