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Single Family ResidenceResidential
$596,702$280 / 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 92How 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

21 MARK DR

STONE RIDGE, NY 12484
4
Beds
3 / 1
Baths
2,132 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.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$597K
$548K low$645K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,031 (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.$286,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$42,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$244,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$510,714

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.68 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Split Level
CountyUlster
Lot (acres)The size of the land the home sits on, from county records.1.40
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
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 · 540 ft²

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 · 0.8 mi
H
Rondout Valley High SchoolC
High · Grades 9–12 · 2.8 mi
M
Rondout Valley Junior High SchoolB-
Middle · Grades 7–8 · 2.9 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 Mark Dr 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 more than 76% of homes in Ulster County
  • Costs less per square foot than 85% of homes in Stone Ridge 12484
  • Bigger than 75% of homes in Ulster County
  • Has a smaller lot than 66% 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
$350K$1.9M

This home is worth more than 44% 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$596,702
CheaperTypical $627,288Pricier

Pricier than 44% of homes nearby

Price per ft²$280
CheaperTypical $371Pricier

Pricier than 15% of homes nearby

Living area2,132 ft²
SmallerTypical 1,768 ft²Bigger

Bigger than 70% of homes nearby

Lot size1.4 ac
SmallerTypical 2.38 acBigger

Bigger than 34% of homes nearby

Year built1974
OlderTypical 1969Newer

Newer than 57% of homes nearby

How 21 Mark Dr ranks against every home in each area.
MeasureThis homeStone Ridge 12484Ulster County
Estimated valuepricier than$596,70244% of homes76% of homes
Price per ft²pricier than$28015% of homes51% of homes
Living areabigger than2,132 ft²70% of homes75% of homes
Lot sizebigger than1.4 ac34% of homes60% of homes
Year builtnewer than197457% of homes64% of homes

About 21 Mark Dr

How much is 21 Mark Dr, Stone Ridge, NY worth?

The TopHap Estimate for 21 Mark Dr, Stone Ridge, NY is $596,702 as of Jul 14, 2026. The likely range is $548,402 to $645,002. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Mark Dr, Stone Ridge, NY?

21 Mark Dr, Stone Ridge, NY has 4 bedrooms, 3 bathrooms, 2,132 square feet of living space and a 1.40-acre lot.

When was 21 Mark Dr, Stone Ridge, NY built?

21 Mark Dr, Stone Ridge, NY was built in 1974, making it 52 years old. It is a split level home. The building has 2 stories.

What schools serve 21 Mark Dr, Stone Ridge, NY?

21 Mark Dr, 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 Mark Dr, 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 44% of them ($596,702 against a typical $627,288), its price per square foot is higher than 15% of them ($280 against a typical $371), it is bigger than 70% of them (2,132 ft² against a typical 1,768 ft²), its lot is bigger than 34% of them (1.4 ac against a typical 2.38 ac) and it is newer than 57% of them (1974 against a typical 1969). Measured against all of Ulster County, it is worth more than 76% 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 Mark Dr, Stone Ridge, NY?

The 2024 property tax bill for 21 Mark Dr, Stone Ridge, NY was $7,031. The county assessed it at $286,000.

More homes on Mark Dr

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Assigned schools

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