Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$223,230$220 / 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 77How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $250,000 on Dec 7, 2023

21 ROSLYN ST

ELLENVILLE, NY 12428
2
Beds
1
Baths
1,015 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$223K
$171K low$275K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Dec 7, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,863 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$50,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$35,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$50,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$83,333

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Ranch
CountyULSTER
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1965
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.Electric
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 48 ft²

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Ellenville Elementary SchoolD-
Elementary · Grades PK–6 · 0.6 mi
M
Ellenville Junior/Senior High SchoolC-
Middle · Grades 7–12 · 0.6 mi

District: Ellenville Central School District

Neighborhood · ZIP 12428These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.64

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.7,366
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.122 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,695
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,870
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

21 Roslyn St 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 96% of homes in Ulster County
  • Costs more per square foot than 80% of homes in Ellenville 12428
  • Smaller than 86% of homes in Ulster County
  • Has a smaller lot than 82% of homes in Ulster County

What homes are worth in Ellenville 12428

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

This home
$121K$597K

This home is worth more than 32% of homes in Ellenville 12428.

How it measures up in Ellenville 12428

The dot is this home. The mark in the middle is the typical home in Ellenville 12428.

Estimated value$223,230
CheaperTypical $258,894Pricier

Pricier than 32% of homes nearby

Price per ft²$220
CheaperTypical $181Pricier

Pricier than 80% of homes nearby

Living area1,015 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.21 ac
SmallerTypical 0.48 acBigger

Bigger than 26% of homes nearby

Year built1951
OlderTypical 1950Newer

Newer than 55% of homes nearby

How 21 Roslyn St ranks against every home in each area.
MeasureThis homeEllenville 12428Ulster County
Estimated valuepricier than$223,23032% of homes4% of homes
Price per ft²pricier than$22080% of homes20% of homes
Living areabigger than1,015 ft²17% of homes14% of homes
Lot sizebigger than0.21 ac26% of homes18% of homes
Year builtnewer than195155% of homes37% of homes

About 21 Roslyn St

How much is 21 Roslyn St, Ellenville, NY worth?

The TopHap Estimate for 21 Roslyn St, Ellenville, NY is $223,230 as of Oct 21, 2026. The likely range is $171,000 to $275,460. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Roslyn St, Ellenville, NY last sell?

21 Roslyn St, Ellenville, NY last sold on Dec 7, 2023 for $250,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 21 Roslyn St, Ellenville, NY?

21 Roslyn St, Ellenville, NY has 2 bedrooms, 1 bathrooms, 1,015 square feet of living space and a 0.21-acre lot.

When was 21 Roslyn St, Ellenville, NY built?

21 Roslyn St, Ellenville, NY was built in 1951, making it 75 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Roslyn St, Ellenville, NY?

21 Roslyn St, Ellenville, NY is assigned to Ellenville Elementary School (elementary), rated D-; Ellenville Junior/Senior High School (middle), rated C-. All sit in Ellenville Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Roslyn St, Ellenville, NY compare to other homes in Ellenville 12428?

Among the 2,137 homes in Ellenville 12428, it is worth more than 32% of them ($223,230 against a typical $258,894), its price per square foot is higher than 80% of them ($220 against a typical $181), it is bigger than 17% of them (1,015 ft² against a typical 1,512 ft²), its lot is bigger than 26% of them (0.21 ac against a typical 0.48 ac) and it is newer than 55% of them (1951 against a typical 1950). Measured against all of Ulster County, it is worth more than 4% 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 21 Roslyn St, Ellenville, NY?

The 2025 property tax bill for 21 Roslyn St, Ellenville, NY was $2,863. The county assessed it at $50,000.

More homes on Roslyn St

Closest homes

More homes in Ellenville 12428

Assigned schools

Explore the area

See this home in context

Open 21 Roslyn St 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