CondominiumResidential
99 S Park Ave
ROCKVILLE CENTRE, NY 11570
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.
Built 19833 floors95 units1,036–1,876 ft²
$53M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$741K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$503
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-13.4%vs the Rockville Centre ZIP median sale $/ft² ($581)
Sales Performance
$743K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+14.7%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
6
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
6.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.5%per yeartypical hold 7.0 yrsfrom 45 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972005200920122016201920232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972005200920122016201920232026
122 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
Studio
Studio
84 units$741K · $503/ft²
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Studio · 2 ba · 1,419 ft²
14 units$738K · $520/ft²
Studio · 2 ba · 1,429 ft²
12 units$712K · $499/ft²
Studio · 2.5 ba · 1,779 ft²
8 units$827K · $465/ft²
Studio · 2 ba · 1,178 ft²
6 units$647K · $549/ft²
Studio · 2 ba · 1,350 ft²
6 units$741K · $549/ft²
Studio · 2 ba · 1,593 ft²
5 units$800K · $502/ft²
Studio · 2 ba · 1,225 ft²
4 units$722K · $589/ft²
2.5 ba · 1,779 ft²
4 units
Studio · 2 ba · 1,779 ft²
4 units$832K · $468/ft²
Studio · 3 ba · 1,779 ft²
4 units
Studio · 2 ba · 1,820 ft²
4 units$814K · $447/ft²
Studio · 1.5 ba · 1,036 ft²
2 units$619K · $597/ft²
Studio · 1.5 ba · 1,058 ft²
2 units$618K · $585/ft²
Studio · 1 ba · 1,218 ft²
2 units$644K · $529/ft²
One-off layouts
18 units
Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.
$519K–$519K
1 unit
$571K–$601K
3 units
$627K–$643K
3 units
$648K–$677K
6 units
$691K–$730K
17 units
$731K–$757K
17 units
$774K–$815K
14 units
$820K–$857K
11 units
Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.
Floor 1
$509/ft²24 units · +1%
Floor 2
$515/ft²22 units · +2%
Floor 3
$529/ft²20 units · +5%
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·01
$596/ft²3 units · +18%
Line ·11
$562/ft²3 units · +12%
Line ·06
$545/ft²3 units · +8%
Line ·04
$543/ft²3 units · +8%
Line ·13
$531/ft²3 units · +6%
Line ·08
$529/ft²3 units · +5%
Line ·18
$523/ft²3 units · +4%
Line ·17
$520/ft²3 units · +3%
Line ·10
$518/ft²3 units · +3%
Line ·16
$514/ft²3 units · +2%
Line ·15
$506/ft²3 units · +1%
Line ·03
$501/ft²3 units · +0%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.60%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.32%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.11.2 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.63%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.20%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$733,565
Median tax billThe middle annual property tax bill among the building's units.$10,282
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Unit 314Jul 24, 2026$760,000$532/ft²Unit 311Jun 10, 2026$740,000$628/ft²Unit 320Jun 1, 2026$800,000$450/ft²Unit 224Feb 2, 2026$745,000$553/ft²Unit 122Dec 22, 2025$725,000$408/ft²Unit 206Dec 9, 2025$700,000$519/ft²Unit 308Oct 16, 2025$595,000$489/ft²Unit 324May 22, 2025$480,000$456/ft²Unit 301Nov 8, 2024$700,000$571/ft²Unit 219Oct 29, 2024$740,000$465/ft²
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
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.
EMH
Riverside Elementary SchoolB
Elementary · Grades KG–5 · 0.3 mi
Southside Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
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%
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
99 S Park Ave # 27
2 ba · 1,876 ft²
99 S Park Ave # 28
2 ba · 1,820 ft²
99 S Park Ave # 29
2 ba · 1,820 ft²
99 S Park Ave # 30
2 ba · 1,820 ft²
99 S Park Ave # 31
2 ba · 1,820 ft²
99 S Park Ave # 32
2 ba · 1,876 ft²
99 S Park Ave # 101
1.5 ba · 1,058 ft²
99 S Park Ave # 102
1.5 ba · 1,058 ft²
99 S Park Ave # 103
2 ba · 1,429 ft²
99 S Park Ave # 104
2 ba · 1,350 ft²
99 S Park Ave # 105
2 ba · 1,462 ft²
99 S Park Ave # 106
2 ba · 1,350 ft²
99 S Park Ave # 107
2 ba · 1,429 ft²
99 S Park Ave # 108
2 ba · 1,350 ft²
99 S Park Ave # 109
2 ba · 1,779 ft²
99 S Park Ave # 110
2 ba · 1,593 ft²
99 S Park Ave # 111
2 ba · 1,178 ft²
99 S Park Ave Apt 112
2 ba · 1,178 ft²
99 S Park Ave # 113
2 ba · 1,419 ft²
99 S Park Ave # 114
2 ba · 1,429 ft²
99 S Park Ave # 115
2 ba · 1,419 ft²
99 S Park Ave # 116
2 ba · 1,419 ft²
99 S Park Ave # 117
2 ba · 1,419 ft²
99 S Park Ave # 118
2 ba · 1,429 ft²
99 S Park Ave # 119
2 ba · 1,593 ft²
99 S Park Ave # 120
2.5 ba · 1,779 ft²
99 S Park Ave # 121
2.5 ba · 1,779 ft²
99 S Park Ave # 122
2.5 ba · 1,779 ft²
99 S Park Ave # 123
1.5 ba · 1,036 ft²
99 S Park Ave # 124
2 ba · 1,347 ft²
99 S Park Ave # 125
2.5 ba · 1,779 ft²
99 S Park Ave Apt 125
3 ba · 1,779 ft²
99 S Park Ave # 126
2 ba · 1,779 ft²
99 S Park Ave # 201
2 ba · 1,225 ft²
99 S Park Ave # 202
2 ba · 1,225 ft²
99 S Park Ave # 203
2 ba · 1,429 ft²
99 S Park Ave # 204
2 ba · 1,350 ft²
99 S Park Ave # 205
2 ba · 1,419 ft²
99 S Park Ave # 206
2 ba · 1,350 ft²
99 S Park Ave # 207
2 ba · 1,429 ft²
99 S Park Ave # 208
2 ba · 1,350 ft²
99 S Park Ave # 209
2.5 ba · 1,779 ft²
99 S Park Ave # 210
2 ba · 1,593 ft²
99 S Park Ave # 211
2 ba · 1,178 ft²
99 S Park Ave # 212
2 ba · 1,178 ft²
99 S Park Ave # 213
2 ba · 1,419 ft²
99 S Park Ave # 214
2 ba · 1,429 ft²
99 S Park Ave Apt 214
2 ba · 1,429 ft²
99 S Park Ave # 215
2 ba · 1,419 ft²
99 S Park Ave # 216
2 ba · 1,419 ft²
99 S Park Ave # 217
2 ba · 1,419 ft²
99 S Park Ave # 218
2 ba · 1,429 ft²
99 S Park Ave Apt 219
2 ba · 1,593 ft²
99 S Park Ave # 219
2 ba · 1,593 ft²
99 S Park Ave # 220
2 ba · 1,779 ft²
99 S Park Ave # 221
2.5 ba · 1,779 ft²
99 S Park Ave # 222
2.5 ba · 1,779 ft²
99 S Park Ave # 223
1.5 ba · 1,036 ft²
99 S Park Ave Apt 223
2 ba · 1,036 ft²
99 S Park Ave # 224
2 ba · 1,347 ft²
99 S Park Ave Apt 224
2 ba · 1,347 ft²
99 S Park Ave # 225
2.5 ba · 1,779 ft²
99 S Park Ave # 226
2 ba · 1,779 ft²
99 S Park Ave # 301
2 ba · 1,225 ft²
99 S Park Ave # 302
2 ba · 1,225 ft²
99 S Park Ave Apt 302
2 ba · 1,225 ft²
99 S Park Ave # 303
2 ba · 1,429 ft²
99 S Park Ave # 304
1.5 ba · 1,218 ft²
99 S Park Ave Apt 305
2 ba · 1,419 ft²
99 S Park Ave # 305
2 ba · 1,419 ft²
99 S Park Ave # 306
1 ba · 1,218 ft²
99 S Park Ave # 307
2 ba · 1,429 ft²
99 S Park Ave # 308
1 ba · 1,218 ft²
99 S Park Ave # 309
2.5 ba · 1,779 ft²
99 S Park Ave Apt 309
3 ba · 1,779 ft²
99 S Park Ave # 310
2 ba · 1,355 ft²
99 S Park Ave # 311
2 ba · 1,178 ft²
99 S Park Ave # 312
2 ba · 1,178 ft²
99 S Park Ave Apt 312
2 ba · 1,178 ft²
99 S Park Ave # 313
2 ba · 1,419 ft²
99 S Park Ave # 314
2 ba · 1,429 ft²
99 S Park Ave # 315
2 ba · 1,419 ft²
99 S Park Ave # 316
2 ba · 1,419 ft²
99 S Park Ave # 317
2 ba · 1,419 ft²
99 S Park Ave # 318
2 ba · 1,429 ft²
99 S Park Ave # 319
2 ba · 1,593 ft²
99 S Park Ave # 320
2.5 ba · 1,779 ft²
99 S Park Ave # 321
2.5 ba · 1,779 ft²
99 S Park Ave Apt 321
3 ba · 1,779 ft²
99 S Park Ave # 322
2 ba · 1,649 ft²
99 S Park Ave # 323
1.5 ba · 1,036 ft²
99 S Park Ave # 324
1 ba · 1,052 ft²
99 S Park Ave Apt 325
3 ba · 1,779 ft²
99 S Park Ave # 325
2.5 ba · 1,779 ft²
99 S Park Ave # 326
2.5 ba · 1,649 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 99 S Park Ave
How many units are in 99 S Park Ave, Rockville Centre, NY?
99 S Park Ave, Rockville Centre, NY has 95 residential units across 3 floors, built in 1983, according to county assessor records.
What is a unit at 99 S Park Ave, Rockville Centre, NY worth?
The median TopHap Estimate across the 95 units at 99 S Park Ave, Rockville Centre, NY is $740,651. That works out to $503 per square foot. Units run from 1,036 to 1,876 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 99 S Park Ave, Rockville Centre, NY expensive for Rockville Centre?
Units at 99 S Park Ave, Rockville Centre, NY carry a median of $503 per square foot, 13% below the Rockville Centre median of $581 per square foot.
How often do units sell at 99 S Park Ave, Rockville Centre, NY?
6 units at 99 S Park Ave, Rockville Centre, NY sold in the last 12 months, out of 122 recorded arms-length sales all time. That is a turnover rate of 6.3% of the building per year. The median sale over that period was $743K.
Have units at 99 S Park Ave, Rockville Centre, NY appreciated?
Across 45 repeat sales of the same unit, 99 S Park Ave, Rockville Centre, NY returned a median 3.5% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 7.0 years.
What floor plans does 99 S Park Ave, Rockville Centre, NY have?
The most common plan at 99 S Park Ave, Rockville Centre, NY is a 0-bedroom of 1,419 square feet, repeated 14 times, with a median estimate of $737,830. TopHap identifies 14 recurring plans in the building.
More homes on S Park Ave
- 99 S Park Ave # 314$711K2 ba · 1,429 ft² · Sold $760K · Jul 2026
- 99 S Park Ave # 311$751K2 ba · 1,178 ft² · Sold $740K · Jun 2026
- 99 S Park Ave # 320$812K2.5 ba · 1,779 ft² · Sold $800K · Jun 2026
- 99 S Park Ave # 2242 ba · 1,347 ft² · Sold $745K · Feb 2026
- 99 S Park Ave # 122$757K2.5 ba · 1,779 ft² · Sold $725K · Dec 2025
- 99 S Park Ave # 206$731K2 ba · 1,350 ft² · Sold $700K · Dec 2025
- 99 S Park Ave # 308$627K1 ba · 1,218 ft² · Sold $595K · Oct 2025
- 244 S Park Ave$1.1M3 ba · 2,569 ft² · Sold $1.1M · Sep 2025
- 99 S Park Ave # 324$519K1 ba · 1,052 ft² · Sold $480K · May 2025
- 99 S Park Ave # 301$781K2 ba · 1,225 ft² · Sold $700K · Nov 2024
- 99 S Park Ave # 2192 ba · 1,593 ft² · Sold $740K · Oct 2024
- 99 S Park Ave # 29$740K2 ba · 1,820 ft² · Sold $660K · Oct 2024
Closest homes
- 99 S Park Ave Apt 3210 ft · 3 ba · 1,779 ft² · Sold $565K · May 2022
- 99 S Park Ave$748K0 ft · 2 ba · 1,355 ft² · Sold $505K · May 2018
- 99 S Park Ave$635K0 ft · 1.5 ba · 1,058 ft² · Sold $376K · Feb 2008
- 99 S Park Ave$727K0 ft · 2 ba · 1,429 ft² · Sold $645K · Jun 2024
- 99 S Park Ave$757K0 ft · 2.5 ba · 1,779 ft² · Sold $725K · Dec 2025
- 99 S Park Ave$793K0 ft · 2 ba · 1,593 ft² · Sold $570K · Aug 2022
- 99 S Park Ave$742K0 ft · 2 ba · 1,350 ft² · Sold $500K · Apr 2012
- 99 S Park Ave$738K0 ft · 2 ba · 1,419 ft² · Sold Jan 1900
More homes in Rockville Centre 11570
- 1357 Langdon Blvd$552K1 ba · 996 ft² · Sold $550K · Sep 2026
- 93 Berkshire Rd$2.3M3.5 ba · 3,874 ft² · Sold $2.3M · Sep 2026
- Berkshire Rd427 ft² · Sold $2.3M · Sep 2026
- 71 Shepherd St$1.4M3 ba · 2,974 ft² · Sold $1.4M · Sep 2026
- 20 Arizona Ave$1.1M4 bd · 2 ba · 1,904 ft² · Sold $1.1M · Sep 2026
- 1078 Woodfield Rd$1.2M1 ba · 1,139 ft² · Sold $1.2M · Sep 2026
- 15 Wilson Ln$962K1.5 ba · 2,257 ft² · Sold $960K · Aug 2026
- 300 Demott Ave$2M3.5 ba · 4,097 ft² · Sold $2.3M · Aug 2026
- 194 N Forest Ave$980K2.5 ba · 1,688 ft² · Sold $990K · Aug 2026
- 9 Ormond St$755K1.5 ba · 1,519 ft² · Sold $895K · Aug 2026
- 12 May Ct$1.4M3 ba · 2,512 ft² · Sold $1.4M · Aug 2026
- 501 Lafayette Ave$850K3 ba · 2,801 ft² · Sold $825K · Aug 2026
Assigned schools
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