34 Grant Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 34 Grant Ave, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.28 acres (12,197 sqft)
Owner	2 Individual Names on File
Tax Bill	$12,154 (2024)
Flood Zone	Zone X (minimal risk)
APN	`472889 370.-1-79`

Property Details

APN / Parcel Number

Primary APN	`472889 370.-1-79`
Alternative APNs	`0500-370.00-01.00-079.000` `288937000000010790000000` `472800764900` `033716`

Exterior

Lot Area	12,197 sqft (0.28 acres)
Lot Width	64 ft Width

Location & Zoning

Account Number	033716
Street Address	34 GRANT AVE
City	ISLIP
State	NY
Zip	11751-3503
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	B
Legal Description	X2217393Y184736 T058H00000000H
Legal Block	0001
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	4
Census Block	4005
Census Tract	147401

Owner

Source: Suffolk County and Islip Town records · APN 472889 370.-1-79

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	34 GRANT AVE, ISLIP, NY 11751-3503
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Jul 16, 2003
Transfer Doc	0122780681
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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$36,750 (-) Land $9,800 Building $26,950	$517,605 (-) Land $138,028 Building $379,577
2024	$12,154.00		$517,605 (+2.54%) Land $138,028 Building $379,577
2023		$36,750 Land $9,800 Building $26,950	$504,807 Land $134,615 Building $370,192

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	7 in force
Nearby Flood Claims	5 (1978–2014)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Aug 2014 · rainfall accumulation

Wildfire

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 421 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.