531 Islip Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 531 Islip Ave, Islip, NY 11751 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	1,686 sqft · built 1971
Lot Size	0.14 acres (6,098 sqft)
Owner	2 Individual Names on File
Last Sale	$370,000 (Dec 2020)
Tax Bill	$12,171 (2024)
Deeds & Mortgages	Dec 2020 Sale
Flood Zone	Zone X (minimal risk)
APN	`472889 272.-1-36`

Property Details

APN / Parcel Number

Primary APN	`472889 272.-1-36`
Alternative APNs	`0500-272.00-01.00-036.000` `288927200000010360000000` `472800549090` `561650`

Interior

Building Area	1,686 sqft Living Area
1st Floor Area	978 sqft
Basement Area	708 sqft

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Lot Area	6,098 sqft (0.14 acres)
Lot Dimensions	125 ft deep x 50 ft wide

Location & Zoning

Account Number	561650
Street Address	531 ISLIP AVE
City	ISLIP
State	NY
Zip	11751-1503
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	X2219228Y192600 T045H00000000
Legal Block	2000
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	2
Census Block	2007
Census Tract	146206

Owner

Source: Suffolk County and Islip Town records · APN 472889 272.-1-36

Assessment roll updated August 11, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	531 ISLIP AVE, ISLIP, NY 11751-1503
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 16, 2020 · Amount on Record
Deed Sale	Dec 16, 2020 · Amount on Record
Deed Book / Page	13082 / 823
Record Updated	Sep 20, 2026

December 2020: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Dec 16, 2020
Property Address	531 ISLIP AVE, ISLIP, NY 11751-1503
Document Number	0130820823
Book / Page	13082 / 823
Instrument Date	Nov 04, 2020
Transaction Type	Transfer
Record Updated	Aug 20, 2021

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	11 S SAXON AVE, BAY SHORE, NY 11706-8947

Tax Assessment & Valuation

Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Islip Town
Unified School District	Islip Union Free School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$36,900 (-) Land $5,500 Building $31,400	$519,719 (-) Land $77,465 Building $442,254
2024	$12,171.00		$519,719 (+2.54%) Land $77,465 Building $442,254
2023		$36,900 Land $5,500 Building $31,400	$506,868 Land $75,549 Building $431,319

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.