Duplex (2 Units, Any Combination)Residential
Last sold for $343,000 on Oct 13, 2015
20 CALVERT AVE
COMMACK, NY 11725
0
Baths
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$343,000 · Oct 13, 2015
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,426 (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.$2,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$555,555
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.14
PoolWhether the property has a pool, and what kind, such as in-ground.No
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%
Owner Tools
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Claim this homeData 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 Calvert 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.
- Has a smaller lot than 95% of 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.
Lot size0.14 ac
SmallerTypical 0.26 acBigger
Bigger than 5% of homes nearby
| Measure | This home | Commack 11725 | Suffolk County |
|---|---|---|---|
| Lot sizebigger than | 0.14 ac | 5% of homes | 13% of homes |
More homes on Calvert Ave
- 24 Calvert Ave$664K1 ba · 1,551 ft² · Sold $455K · Sep 2025
- 36 Calvert Ave$704K0.13 ac · Sold $660K · May 2025
- 28 Calvert Ave$746K0.13 ac · Sold $689K · Aug 2024
- 51 Calvert Ave$683K0.13 ac · Sold $568K · Jan 2024
- 45 Calvert Ave$687K0.13 ac · Sold $575K · Oct 2023
- 46 Calvert Ave$637K0.15 ac · Sold $469K · May 2023
- 50 Calvert Ave$562K0.77 ac · Sold $410K · Dec 2020
- 55 Calvert Ave$639K0.13 ac · Sold $408K · May 2020
- 91 Calvert Ave$780K2,459 ft² · Sold $446K · Jun 2017
- 25 Calvert Ave$674K0.13 ac · Sold $314K · Jan 2017
- 59 Calvert Ave$575K0.13 ac · Sold $260K · Mar 2014
- 32 Calvert Ave$636K0.13 ac · Sold $299K · Mar 2013
Closest homes
- 22 Calvert Ave$635K66 ft · 0.16 ac · Sold Jan 1900
- 44 Spinner Ln89 ft · 0.17 ac · Sold $200K · Apr 2005
- 25 Calvert Ave$686K153 ft · 0.13 ac · Sold $314K · Jan 2017
- 23 Calvert Ave$648K150 ft · 0.13 ac · Sold $369K · Sep 2003
- 27 Calvert Ave$655K176 ft · 0.13 ac · Sold Jan 1900
- 43 Spinner Ln$660K203 ft · 0.14 ac · Sold Jan 1900
- 42 Spinner Ln$597K157 ft · 0.18 ac · Sold $293K · Jul 2002
- 41 Spinner Ln$663K201 ft · 0.12 ac · Sold Jan 1900
More homes in Commack 11725
- 31 Marshmallow Dr$992K4 bd · 2.5 ba · 2,428 ft² · Sold $985K · Aug 2026
- 23 Olga Ln$709K0.19 ac · Sold $700K · Aug 2026
- 2 Max Way$1.2M4 bd · 2.5 ba · 2,170 ft² · Sold $1.2M · Aug 2026
- 156 Wicks Rd$731K0.17 ac · Sold $725K · Aug 2026
- 22 Hayrick Ln$610K0.25 ac · Sold $749K · Aug 2026
- 25 August Cre$411K3 bd · 1.5 ba · 1,062 ft² · Sold $409K · Aug 2026
- 19 Fisher Rd$869K3 bd · 1.5 ba · 1,230 ft² · Sold $865K · Aug 2026
- 44 Delaware Ave$738K0.25 ac · Sold $735K · Aug 2026
- 4 Bethal Ln$879K4 bd · 2 ba · 1,816 ft² · Sold $877K · Aug 2026
- 5 Plum Tree Ln0.26 ac · Sold $775K · Aug 2026
- 15 August Cres$792K3 bd · 1 ba · 1,362 ft² · Sold $325K · Aug 2026
- 1 Starlight Dr$743K4 bd · 2.5 ba · 1,842 ft² · Sold $740K · Aug 2026
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