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CondominiumResidential
$841,511$462 / 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 94How 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 $220,000 on Mar 6, 1997

99 S PARK AVE

ROCKVILLE CENTRE, NY 11570
Building report
2
Baths
1,820 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.
2.93 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$842K
$792K low$891K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · Mar 6, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,850 (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.$512 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$512
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$512,000

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.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.48%
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyNASSAU
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
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.Perm Central Business

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

E
Riverside Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
Southside Middle SchoolB+
Middle · Grades 6–8 · 0.7 mi
H
Southside High SchoolA
High · Grades 9–12 · 1.8 mi

District: Rockville Centre 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

99 S Park 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.

  • Worth less than 75% of homes in Rockville Centre 11570
  • Costs less per square foot than 70% of homes in Nassau County
  • Smaller than 65% of homes in Rockville Centre 11570
  • Among the largest lots in Rockville Centre 11570
  • Newer than 95% of homes in Rockville Centre 11570

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 25% 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$841,511
CheaperTypical $968,974Pricier

Pricier than 25% of homes nearby

Price per ft²$462
CheaperTypical $483Pricier

Pricier than 37% of homes nearby

Living area1,820 ft²
SmallerTypical 2,064 ft²Bigger

Bigger than 35% of homes nearby

Lot size2.93 ac
SmallerTypical 0.16 acBigger

Bigger than almost all homes nearby

Year built1984
OlderTypical 1935Newer

Newer than 95% of homes nearby

How 99 S Park Ave ranks against every home in each area.
MeasureThis homeRockville Centre 11570Nassau County
Estimated valuepricier than$841,51125% of homes52% of homes
Price per ft²pricier than$46237% of homes30% of homes
Living areabigger than1,820 ft²35% of homes55% of homes
Lot sizebigger than2.93 acalmost all homesalmost all homes
Year builtnewer than198495% of homes90% of homes

About 99 S Park Ave

How much is 99 S Park Ave, Rockville Centre, NY worth?

The TopHap Estimate for 99 S Park Ave, Rockville Centre, NY is $841,511 as of Sep 24, 2026. The likely range is $791,841 to $891,181. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 99 S Park Ave, Rockville Centre, NY last sell?

99 S Park Ave, Rockville Centre, NY last sold on Mar 6, 1997 for $220,000, according to the county's recorded deed.

How big is 99 S Park Ave, Rockville Centre, NY?

99 S Park Ave, Rockville Centre, NY has 2 bathrooms and 1,820 square feet of living space.

When was 99 S Park Ave, Rockville Centre, NY built?

99 S Park Ave, Rockville Centre, NY was built in 1984, making it 42 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 99 S Park Ave, Rockville Centre, NY?

99 S Park Ave, Rockville Centre, NY is assigned to Riverside Elementary School (elementary), rated A-; Southside Middle School (middle), rated B+; Southside High School (high), rated A. All sit in Rockville Centre Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 99 S Park 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 25% of them ($841,511 against a typical $968,974), its price per square foot is higher than 37% of them ($462 against a typical $483), it is bigger than 35% of them (1,820 ft² against a typical 2,064 ft²), its lot is bigger than almost all of them (2.93 ac against a typical 0.16 ac) and it is newer than 95% of them (1984 against a typical 1935). Measured against all of Nassau County, it is worth more than 52% 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 99 S Park Ave, Rockville Centre, NY?

The 2025 property tax bill for 99 S Park Ave, Rockville Centre, NY was $3,850. The county assessed it at $512.

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