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511 Islip Avenue, Islip, NY 11751 Property Information

511 Islip Avenue, Islip, NY 11751 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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511 Islip Avenue, Islip, NY 11751
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Address

Primary address 511 Islip Avenue, Islip
Zip code 11751
County Suffolk
Municipality Islip
Parcel ID 272-1-78

Sales & Tax Overview for 511 Islip Avenue, Islip

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 07/03/2019
Sale price $110,000
Arm's length
Property tax $8,617

Lot & Building Information for 511 Islip Avenue, Islip

Building sqft 1,080
Building class One Family Year-Round Residence (210)
Acreage 0.28
Year built 1940
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Islip

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 511 Islip Avenue, Islip

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  • • Improvements for 511 Islip Avenue, Islip , including their type, square footage, grade and when they were built.
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About 511 Islip Avenue, Islip

What is the year built & the total sq. ft. for 511 Islip Avenue, Islip, NY 11751?

511 Islip Avenue, Islip, NY 11751 was built in 1940 and has a total of 1,080 square feet.

What is the assessed value of 511 Islip Avenue, Islip, NY 11751 and the property tax paid?

Assessed at $27,300, the tax amount paid for 511 Islip Avenue, Islip, NY 11751 is $8,616.

When was 511 Islip Avenue, Islip, NY 11751 last sold and what was the last sale price?

511 Islip Avenue, Islip, NY 11751 was last sold in 07/03/2019 for $110,000.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
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Past Sales & Property History for 511 Islip Avenue, Islip

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Purchase date Purchase price Buyer name Seller name
07/03/2019 $110,000
06/05/2019 $125,000
       
       
       
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Title Documents for 511 Islip Avenue, Islip

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
07/03/2019 - D
07/24/2019 - R
Deed
(Executor)
06/05/2019 - D
07/24/2019 - R
Deed
(Quitclaim)
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 511 Islip Avenue, Islip

Access detailed property tax data for 511 Islip Avenue, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $8,617
Market value $384,507
Assessed value $27,300

Assessment History for 511 Islip Avenue, Islip

Here's the assessment & property tax history for 511 Islip Avenue, Islip, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2024-2025 $384,507 $27,300 30.486 $8,323 +3.73%
2023-2024 $375,000 $27,300 29.39 $8,023 +1.68%
2022-2023 $329,710 $27,300 28.904 $7,891 +0.07%
2021-2022 $294,181 $27,300 28.884 $7,885 +3.07%
2020-2021 $281,443 $27,300 28.023 $7,650 -26.94%

Permits for 511 Islip Avenue, Islip

The complete history of permits filed for 511 Islip Avenue, Islip, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 511 Islip Avenue, Islip, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 511 Islip Avenue, Islip to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Wing Elementary School NR Public K-1 379 0.61
Commack Road Elementary School 3 Public 2-5 397 0.75
Ruth C Kinney Elementary School 7 Public 3-5 302 1.28
Loretta Park Elementary School 4 Public 1-5 646 1.32
Laurel Park Elementary School 3 Public 1-5 665 1.39

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
East Islip Middle School 6 Public 6-8 804 1.37
St Mary School NR Private PK-8 413 1.54
Islip Middle School 4 Public 6-8 641 1.63
St Patrick School NR Private PK-8 534 1.97
Bay Shore Middle School 5 Public 6-8 1,298 2.39

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
East Islip High School 8 Public 9-12 1,145 1.34
Islip High School 9 Public 9-12 892 1.55
MDQ Academy NR Private PK-12 412 2.42
Bay Shore Senior High School 5 Public 9-12 1,910 2.71
Brentwood High School 3 Public 9-12 4,641 2.95

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 511 Islip Avenue, Islip

Here are the neighbors for 511 Islip Avenue, Islip.

Address Square feet Purchase date Purchase price
5 Beaverdam Rd, Islip
10 Beaverdam Rd, Islip 5,834 10/29/2021 $1,510,000
75 Beaverdam Rd, Islip
3 Beaverdam Rd, Islip
98 Beech St, Islip
40 Juniper St, Islip 1,104 08/02/2016 $324,900
516 Islip Ave, Islip 06/06/2014 $10
350 Ferndale Blvd, Islip
15 Beaverdam Rd, Islip
518 Islip Ave, Islip 07/21/2015 $285,000
77 Birch St, Islip 2,160 05/19/2021 $266,000
35 Beaverdam Rd, Islip 09/03/2019
499 Islip Ave, Islip 11/08/2023 $700,000
10 Beech St, Islip 10,750
512 Islip Ave, Islip 10,385 10/31/1994 $350,000
1 Beaverdam Rd, Islip 6,468 09/05/2019 $800,000
4 Beaverdam Rd, Islip 05/03/2023 $695,000
88 Beaverdam Rd, Islip
390 Ferndale Blvd, Islip 2,341 11/21/2017 $453,200
90 Beech St, Islip 08/18/2014 $329,000
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