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CooperativeResidential
$859,587$7 / 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 74How 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

340 RIVERSIDE DR

NEW YORK, NY 10025
Building report
0
Baths
124,351 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1926
Year BuiltThe year the home was originally built, according to county records.
16
StoriesHow many floors the home has above ground.

Valuation

$860K
$640K low$1.1M high

Tax & Assessment

Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$21,132,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Cooperative
CountyNEW YORK
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(3)

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
P.S. 165 Robert E. Simon SchoolC+
Elementary · Grades PK–8 · 0.2 mi

District: New York City Geographic School District 03

Neighborhood · ZIP 10025These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.115

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.92,687
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.88,204 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,079
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,423
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

340 Riverside 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 less than 74% of homes in Upper West Side
  • Costs less per square foot than 97% of homes in New York 10025
  • Bigger than 96% of homes in New York 10025
  • Older than 72% of homes in New York County

What homes are worth in New York 10025

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

This home
$333K$4.1M

This home is worth more than 38% of homes in New York 10025.

How it measures up in New York 10025

The dot is this home. The mark in the middle is the typical home in New York 10025.

Estimated value$859,587
CheaperTypical $985,201Pricier

Pricier than 38% of homes nearby

Price per ft²$7
CheaperTypical $1192Pricier

Pricier than 3% of homes nearby

Living area124,351 ft²
SmallerTypical 1,085 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.25 ac
SmallerTypical 0.27 acBigger

Bigger than 44% of homes nearby

Year built1926
OlderTypical 1941Newer

Newer than 34% of homes nearby

How 340 Riverside Dr ranks against every home in each area.
MeasureThis homeUpper West SideNew York 10025New York County
Estimated valuepricier than$859,58726% of homes38% of homes42% of homes
Price per ft²pricier than$75% of homes3% of homes4% of homes
Living areabigger than124,351 ft²94% of homes96% of homes95% of homes
Lot sizebigger than0.25 ac47% of homes44% of homes57% of homes
Year builtnewer than192633% of homes34% of homes28% of homes

About 340 Riverside Dr

How much is 340 Riverside Dr, New York, NY worth?

The TopHap Estimate for 340 Riverside Dr, New York, NY is $859,587 as of Aug 30, 2026. The likely range is $639,773 to $1,079,401. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Riverside Dr, New York, NY last sell?

340 Riverside Dr, New York, NY last sold on Aug 28, 2026, according to the county's recorded deed.

How big is 340 Riverside Dr, New York, NY?

340 Riverside Dr, New York, NY has 124,351 square feet of living space and a 0.25-acre lot.

When was 340 Riverside Dr, New York, NY built?

340 Riverside Dr, New York, NY was built in 1926, making it 100 years old. The building has 16 stories.

What schools serve 340 Riverside Dr, New York, NY?

340 Riverside Dr, New York, NY is assigned to P.S. 165 Robert E. Simon School (elementary), rated C+. All sit in New York City Geographic School District 03. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Riverside Dr, New York, NY compare to other homes in New York 10025?

Among the 20,770 homes in New York 10025, it is worth more than 38% of them ($859,587 against a typical $985,201), its price per square foot is higher than 3% of them ($7 against a typical $1192), it is bigger than 96% of them (124,351 ft² against a typical 1,085 ft²), its lot is bigger than 44% of them (0.25 ac against a typical 0.27 ac) and it is newer than 34% of them (1926 against a typical 1941). Measured against all of New York County, it is worth more than 42% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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