Commercial (General)Commercial
191 ISLIP AVE
ISLIP, NY 11751
0
Baths
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
Tax & Assessment
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$68,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$964,789
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Commercial (General)
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EHM
Wing Elementary School
Elementary · Grades KG–1 · 0.3 mi
Islip High SchoolB
High · Grades 9–12 · 0.8 mi
Islip Middle SchoolB
Middle · Grades 7–8 · 1.0 mi
District: Islip Union Free School District
Neighborhood · ZIP 11751These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69
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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.15,527
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,057 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,597
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,797
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
Do you own this home?
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
191 Islip 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 bigger lot than 66% of homes in Islip 11751
How it measures up in Islip 11751
The dot is this home. The mark in the middle is the typical home in Islip 11751.
Lot size0.3 ac
SmallerTypical 0.24 acBigger
Bigger than 66% of homes nearby
| Measure | This home | Islip | Islip 11751 | Suffolk County |
|---|---|---|---|---|
| Lot sizebigger than | 0.3 ac | 65% of homes | 66% of homes | 53% of homes |
More homes on Islip Ave
- 70 Islip Ave$674K1,696 ft² · Sold $650K · Feb 2026
- 113 Islip Ave1,872 ft² · Sold $640K · Jan 2026
- 6 Islip Ave$479K0.23 ac · Sold $380K · Mar 2024
- 488 Islip Ave$574K0.17 ac · Sold $439K · Apr 2023
- 530 Islip Ave0.23 ac · Sold $495K · Mar 2023
- 538 Islip Ave$626K0.25 ac · Sold $465K · Feb 2023
- 425 Islip Ave$520K910 ft² · Sold $394K · Nov 2022
- 548 Islip Ave0.17 ac · Sold $689K · Aug 2022
- 494 Islip Ave0.17 ac · Sold $134K · Jun 2022
- 454 Islip Ave$603K1,134 ft² · Sold $485K · Jun 2022
- 263 Islip Ave$573K1,296 ft² · Sold $420K · Apr 2022
- 523 Islip Ave$593K1,384 ft² · Sold $340K · Apr 2022
Closest homes
- 424 Moffitt Blvd$514K216 ft · 0.32 ac · Sold Jan 1900
- 412 Moffitt Blvd$603K256 ft · 0.32 ac · Sold Jan 1900
- 14 Hemlock St$621K301 ft · 0.28 ac · Sold $139K · Jul 1995
- 427 Moffitt Blvd269 ft · 0.17 ac · Sold $11K · Mar 2004
- 16 Hemlock St$616K346 ft · 1,176 ft² · Sold $465K · Jul 2022
- 434 Moffitt Blvd$529K310 ft · 0.32 ac · Sold Jan 1900
- 15 Jenkins St$541K321 ft · 0.28 ac · Sold Jan 1900
- 4 W Hemlock St$606K371 ft · 1,996 ft² · Sold $412K · Aug 2021
More homes in Islip 11751
- 65 39th St$677K0.28 ac · Sold $665K · Sep 2026
- 11 Bittermint St$522K996 ft² · Sold $510K · Sep 2026
- 229 Ferndale Blvd$570K0.21 ac · Sold $560K · Sep 2026
- 17 Amherst St$610K0.23 ac · Sold $500K · Sep 2026
- 7 Sutton Pl$612K3,485 ft² · Sold $595K · Sep 2026
- 39 Cedar St$610K0.17 ac · Sold $847K · Sep 2026
- 36 Manitton Ct$930K0.2 ac · Sold $417K · Sep 2026
- 50 Cedar Avenue Ext$1.2M0.7 ac · Sold $3.4M · Sep 2026
- 62 39th St$624K0.28 ac · Sold $600K · Sep 2026
- 8 Adelphi St$1.2M2,448 ft² · Sold $1.2M · Sep 2026
- 10 Beech Rd$2.9M0.66 ac · Sold $2.8M · Sep 2026
- 43 Commack Rd$573K0.24 ac · Sold $360K · Sep 2026
Assigned schools
Explore the area
See this home in context
Open 191 Islip Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
Open in map