255 Islip Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 255 Islip Ave, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.2 acres (8,712 sqft)
Owner	Individual Name on File
Last Sale	$135,500 (Jun 1999)
Tax Bill	$10,245 (2024)
Deeds & Mortgages	Sep 2022 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`472889 320.-2-118`

Property Details

APN / Parcel Number

Primary APN	`472889 320.-2-118`
Alternative APNs	`0500-320.00-02.00-118.000` `288932000000021180000000` `472800656310` `563440`

Exterior

Lot Area	8,712 sqft (0.2 acres)
Lot Width	76 ft Width

Location & Zoning

Account Number	563440
Street Address	255 ISLIP AVE
City	ISLIP
State	NY
Zip	11751-3012
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	B
Legal Description	X2219548Y188164 T044H00000000
Legal Subdivision	MAP COLUMBUS PARK #1
Legal Block	0002
Legal Lot Number	200
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1021
Census Tract	147401

Owner

Source: Suffolk County and Islip Town records · APN 472889 320.-2-118

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	Individual Name on File
Mailing Address	255 ISLIP AVE, ISLIP, NY 11751-3012
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 08, 1999 · Amount on Record
Deed Sale	Jun 08, 1999 · Amount on Record
Prior Sale	Feb 15, 1996 · Amount on Record
Deed Book / Page	11968 / 42
Last Transfer Date	May 29, 2010
Transfer Doc	0126400947
Record Updated	Sep 20, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	255 ISLIP AVE, ISLIP, NY 11751-3012
Transaction Type	Mortgage
Record Updated	Dec 12, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0234540522
Date	Sep 02, 2022
Book Page	23454/522

Lender

Name	BETHPAGE FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	349 Months
Due	Oct 01, 2051

Interest

Rate Type	Adjustable Rate

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		$34,150 (-) Land $7,000 Building $27,150	$480,986 (-) Land $98,592 Building $382,394
2024	$10,245.00		$480,986 (+2.54%) Land $98,592 Building $382,394
2023		$34,150 Land $7,000 Building $27,150	$469,094 Land $96,154 Building $372,940

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	4 in force
Nearby Flood Claims	25 (1979–2023)
Claims Outside the SFHA	18 of 25
Most Recent Claim	Jul 2023 · river or lake flooding
Claims by Event	Severe Storms And Flooding, Mar 2010 · 2 claims

Wildfire

Wildfire Risk	Low lower than 97% of the US · lower than 96% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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 · Fixed Wireless in parts of the area	2,300 / 2,300

Based on FCC filings for 329 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.