15 W Walnut St, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 15 W Walnut St, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.34 acres (14,810 sqft)
Owner	2 Company Names on File
Last Sale	$142,000 (Sep 1994)
Flood Zone	Zone X (minimal risk)
APN	`472889 295.-1-50`

Property Details

APN / Parcel Number

Primary APN	`472889 295.-1-50`
Alternative APNs	`0500-295.00-01.00-050.000` `288929500000010500000000` `472800602220` `568010`

Exterior

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

Location & Zoning

Account Number	568010
Street Address	15 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	X2218868Y190463 T045H00000000
Legal Subdivision	MAP COLUMBUS PARK SECTION 5
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 · APN 472889 295.-1-50

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 Company Names on File
Mailing Address	15 W WALNUT ST, ISLIP, NY 11751-1805
Owner Type	Company
Vesting	Trust, Irrevocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 29, 1994 · Amount on Record
Deed Sale	Sep 29, 1994 · Amount on Record
Deed Book / Page	11696 / 241
Last Transfer Date	Apr 20, 2024
Record Updated	Sep 20, 2026

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	Assessed Value	Assessed Market Value
2025	$38,900 (-) Land $10,300 Building $28,600
2024		$547,887 (+2.54%) Land $145,070 Building $402,817
2023	$38,900 Land $10,300 Building $28,600	$534,341 Land $141,484 Building $392,857

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

Based on FCC filings for 441 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.