11 W Walnut St, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 11 W Walnut St, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.34 acres (14,810 sqft)
Owner	Individual Name on Record
Last Sale	$512,000 (Jun 2024)
Flood Zone	Zone X (minimal risk)
APN	`472889 295.-1-51`

Property Details

APN / Parcel Number

Primary APN	`472889 295.-1-51`
Alternative APNs	`0500-295.00-01.00-051.000` `288929500000010510000000` `472800602230` `568040`

Exterior

Lot Area	14,810 sqft (0.34 acres)
Lot Dimensions	200 ft deep x 75 ft wide

Location & Zoning

Account Number	568040
Street Address	11 W WALNUT ST
City	ISLIP
State	NY
Zip	11751-1805
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	B
Legal Description	X2218947Y190476 T045H00000000
Legal Block	5000
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1002
Census Tract	146205

Owner

Source: Suffolk County and Islip Town records, as of August 11, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	518 ARLINGTON DR, SEAFORD, NY 11783-1133
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 21, 2024 · Amount on Record
Deed Sale	Jun 21, 2024 · Amount on Record
Prior Sale	Jun 7, 2007 · Amount on Record
Deed Book / Page	13253 / 365
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Islip Town assessment roll, as of August 11, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$31,700 (+3.26%) Land $10,500 Building $21,200
2024			$432,394 (+2.53%) Land $147,887 Building $284,507
2023		$30,700 (-) Land $10,500 Building $20,200	$421,704 (+13.74%) Land $144,231 Building $277,473
2022	Homeowner's exemption Veteran's exemption	$30,700 Land $10,500 Building $20,200	$370,773 Land $126,812 Building $243,961

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.

Flood

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (2014)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Aug 2014 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526
Water Source	Groundwater
Last State Inspection	Jan 2024
Lead	1 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Asbestos resolved · Jul 2020
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 441 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300