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Single Family ResidenceResidential
$393,353$370 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

21 MILL DAM RD

STONE RIDGE, NY 12484
2
Beds
1
Baths
1,064 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$393K
$353K low$434K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,621 (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.$203,500 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$144,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$203,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$363,393

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.Cape Cod
CountyUlster
Lot (acres)The size of the land the home sits on, from county records.1.00
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 312 ft²

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
Marbletown Elementary SchoolA-
Elementary · Grades KG–3 · 0.9 mi
H
Rondout Valley High SchoolC
High · Grades 9–12 · 4.1 mi
M
Rondout Valley Junior High SchoolB-
Middle · Grades 7–8 · 4.2 mi

District: Rondout Valley Central School District

Neighborhood · ZIP 12484These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.2,590
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.109 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,097
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,827
Average tempThe average temperature here across a full year.48°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%

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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

21 Mill Dam 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.

  • Worth less than 89% of homes in Stone Ridge 12484
  • Costs more per square foot than 84% of homes in Ulster County
  • Smaller than 89% of homes in Stone Ridge 12484
  • Has a smaller lot than 77% of homes in Stone Ridge 12484

What homes are worth in Stone Ridge 12484

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

This home
$308K$1.9M

This home is worth more than 11% of homes in Stone Ridge 12484.

How it measures up in Stone Ridge 12484

The dot is this home. The mark in the middle is the typical home in Stone Ridge 12484.

Estimated value$393,353
CheaperTypical $605,490Pricier

Pricier than 11% of homes nearby

Price per ft²$370
CheaperTypical $356Pricier

Pricier than 57% of homes nearby

Living area1,064 ft²
SmallerTypical 1,766 ft²Bigger

Bigger than 11% of homes nearby

Lot size1 ac
SmallerTypical 2.36 acBigger

Bigger than 23% of homes nearby

Year built1963
OlderTypical 1970Newer

Newer than 43% of homes nearby

How 21 Mill Dam Rd ranks against every home in each area.
MeasureThis homeStone Ridge 12484Ulster County
Estimated valuepricier than$393,35311% of homes41% of homes
Price per ft²pricier than$37057% of homes84% of homes
Living areabigger than1,064 ft²11% of homes17% of homes
Lot sizebigger than1 ac23% of homes52% of homes
Year builtnewer than196343% of homes52% of homes

About 21 Mill Dam Rd

How much is 21 Mill Dam Rd, Stone Ridge, NY worth?

The TopHap Estimate for 21 Mill Dam Rd, Stone Ridge, NY is $393,353 as of Aug 30, 2026. The likely range is $352,676 to $434,030. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Mill Dam Rd, Stone Ridge, NY?

21 Mill Dam Rd, Stone Ridge, NY has 2 bedrooms, 1 bathrooms, 1,064 square feet of living space and a 1.00-acre lot.

When was 21 Mill Dam Rd, Stone Ridge, NY built?

21 Mill Dam Rd, Stone Ridge, NY was built in 1963, making it 63 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Mill Dam Rd, Stone Ridge, NY?

21 Mill Dam Rd, Stone Ridge, NY is assigned to Marbletown Elementary School (elementary), rated A-; Rondout Valley High School (high), rated C; Rondout Valley Junior High School (middle), rated B-. All sit in Rondout Valley Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mill Dam Rd, Stone Ridge, NY compare to other homes in Stone Ridge 12484?

Among the 1,313 homes in Stone Ridge 12484, it is worth more than 11% of them ($393,353 against a typical $605,490), its price per square foot is higher than 57% of them ($370 against a typical $356), it is bigger than 11% of them (1,064 ft² against a typical 1,766 ft²), its lot is bigger than 23% of them (1 ac against a typical 2.36 ac) and it is newer than 43% of them (1963 against a typical 1970). Measured against all of Ulster County, it is worth more than 41% 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 Mill Dam Rd, Stone Ridge, NY?

The 2024 property tax bill for 21 Mill Dam Rd, Stone Ridge, NY was $5,621. The county assessed it at $203,500.

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Assigned schools

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