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Single Family ResidenceResidential
$1,704,271$487 / 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 91How 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
Last sold for $950,000 on May 14, 2015

20 ANNANDALE RD

COMMACK, NY 11725
4
Beds
2.5
Baths
3,500 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.7M
$1.5M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$950,000 · May 14, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,852 (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.$9,145 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,595
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,143,125

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.Contemporary
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.50
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.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Suburban
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 270 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 11725These 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.42
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.98%
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.2.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.29,060
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,956 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$164,054
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$187,880
Average tempThe average temperature here across a full year.52°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

20 Annandale Rd 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 Commack 11725
  • Costs more per square foot than 69% of homes in Suffolk County
  • Among the largest homes in Commack 11725
  • Has a bigger lot than 91% of homes in Commack 11725
  • Newer than 92% of homes in Commack 11725

What homes are worth in Commack 11725

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

This home
$581K$1.3M

This home is worth more than almost all homes in Commack 11725.

How it measures up in Commack 11725

The dot is this home. The mark in the middle is the typical home in Commack 11725.

Estimated value$1,704,271
CheaperTypical $787,737Pricier

Pricier than almost all homes nearby

Price per ft²$487
CheaperTypical $476Pricier

Pricier than 54% of homes nearby

Living area3,500 ft²
SmallerTypical 1,816 ft²Bigger

Bigger than almost all homes nearby

Lot size0.5 ac
SmallerTypical 0.26 acBigger

Bigger than 91% of homes nearby

Year built1988
OlderTypical 1963Newer

Newer than 92% of homes nearby

How 20 Annandale Rd ranks against every home in each area.
MeasureThis homeCommack 11725Suffolk County
Estimated valuepricier than$1,704,271almost all homes90% of homes
Price per ft²pricier than$48754% of homes69% of homes
Living areabigger than3,500 ft²almost all homes95% of homes
Lot sizebigger than0.5 ac91% of homes77% of homes
Year builtnewer than198892% of homes73% of homes

About 20 Annandale Rd

How much is 20 Annandale Rd, Commack, NY worth?

The TopHap Estimate for 20 Annandale Rd, Commack, NY is $1,704,271 as of Aug 30, 2026. The likely range is $1,546,692 to $1,861,850. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Annandale Rd, Commack, NY last sell?

20 Annandale Rd, Commack, NY last sold on May 14, 2015 for $950,000, according to the county's recorded deed.

How big is 20 Annandale Rd, Commack, NY?

20 Annandale Rd, Commack, NY has 4 bedrooms, 2.5 bathrooms, 3,500 square feet of living space and a 0.50-acre lot.

When was 20 Annandale Rd, Commack, NY built?

20 Annandale Rd, Commack, NY was built in 1988, making it 38 years old. It is a contemporary home. The building has 2 stories.

How does 20 Annandale Rd, Commack, NY compare to other homes in Commack 11725?

Among the 9,139 homes in Commack 11725, it is worth more than almost all of them ($1,704,271 against a typical $787,737), its price per square foot is higher than 54% of them ($487 against a typical $476), it is bigger than almost all of them (3,500 ft² against a typical 1,816 ft²), its lot is bigger than 91% of them (0.5 ac against a typical 0.26 ac) and it is newer than 92% of them (1988 against a typical 1963). Measured against all of Suffolk County, it is worth more than 90% 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 20 Annandale Rd, Commack, NY?

The 2024 property tax bill for 20 Annandale Rd, Commack, NY was $24,852. The county assessed it at $9,145.

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