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Single Family ResidenceResidential
$1,140,142$870 / 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 87How 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 $247,500 on May 10, 2011

55 COLUMBIA AVE

ROCKVILLE CENTRE, NY 11570
1
Baths
1,310 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$990K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$247,500 · May 10, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,848 (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.$396 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$155
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$396
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$396,000

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
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Dead End

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.

Foreclosure Filings(1)

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

H
Malverne Senior High SchoolA-
High · Grades 9–12 · 0.4 mi
M
Howard T Herber Middle SchoolB-
Middle · Grades 6–8 · 0.4 mi
E
Maurice W Downing Primary School
Elementary · Grades KG–2 · 1.1 mi

District: Malverne Union Free School District

Neighborhood · ZIP 11570These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.91

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.28,370
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,589 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$144,451
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$184,571
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

55 Columbia Ave 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 Lakeview
  • Among the highest price per square foot in Rockville Centre 11570
  • Smaller than 94% of homes in Rockville Centre 11570
  • Has a smaller lot than 90% of homes in Rockville Centre 11570
  • Older than 78% of homes in Lakeview

What homes are worth in Rockville Centre 11570

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

This home
$616K$1.7M

This home is worth more than 74% of homes in Rockville Centre 11570.

How it measures up in Rockville Centre 11570

The dot is this home. The mark in the middle is the typical home in Rockville Centre 11570.

Estimated value$1,140,142
CheaperTypical $967,511Pricier

Pricier than 74% of homes nearby

Price per ft²$870
CheaperTypical $482Pricier

Pricier than almost all homes nearby

Living area1,310 ft²
SmallerTypical 2,063 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.11 ac
SmallerTypical 0.16 acBigger

Bigger than 10% of homes nearby

Year built1940
OlderTypical 1935Newer

Newer than 60% of homes nearby

How 55 Columbia Ave ranks against every home in each area.
MeasureThis homeLakeviewRockville Centre 11570Nassau County
Estimated valuepricier than$1,140,142almost all homes74% of homes77% of homes
Price per ft²pricier than$870almost all homesalmost all homes98% of homes
Living areabigger than1,310 ft²38% of homes6% of homes21% of homes
Lot sizebigger than0.11 ac15% of homes10% of homes16% of homes
Year builtnewer than194022% of homes60% of homes23% of homes

About 55 Columbia Ave

How much is 55 Columbia Ave, Rockville Centre, NY worth?

The TopHap Estimate for 55 Columbia Ave, Rockville Centre, NY is $1,140,142 as of Sep 24, 2026. The likely range is $990,468 to $1,289,816. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 55 Columbia Ave, Rockville Centre, NY last sell?

55 Columbia Ave, Rockville Centre, NY last sold on May 10, 2011 for $247,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 55 Columbia Ave, Rockville Centre, NY?

55 Columbia Ave, Rockville Centre, NY has 1 bathrooms, 1,310 square feet of living space and a 0.12-acre lot.

When was 55 Columbia Ave, Rockville Centre, NY built?

55 Columbia Ave, Rockville Centre, NY was built in 1940, making it 86 years old. It is a cape cod home. The building has 1 story.

What schools serve 55 Columbia Ave, Rockville Centre, NY?

55 Columbia Ave, Rockville Centre, NY is assigned to Malverne Senior High School (high), rated A-; Howard T Herber Middle School (middle), rated B-; Maurice W Downing Primary School (elementary). All sit in Malverne Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 55 Columbia Ave, Rockville Centre, NY compare to other homes in Rockville Centre 11570?

Among the 6,982 homes in Rockville Centre 11570, it is worth more than 74% of them ($1,140,142 against a typical $967,511), its price per square foot is higher than almost all of them ($870 against a typical $482), it is bigger than 6% of them (1,310 ft² against a typical 2,063 ft²), its lot is bigger than 10% of them (0.11 ac against a typical 0.16 ac) and it is newer than 60% of them (1940 against a typical 1935). Measured against all of Nassau County, it is worth more than 77% 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 55 Columbia Ave, Rockville Centre, NY?

The 2025 property tax bill for 55 Columbia Ave, Rockville Centre, NY was $10,848. The county assessed it at $396.

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