4 Gridley St, West Islip, NY 11795 Property Records

Suffolk County and Islip Town property record for 4 Gridley St, West Islip, NY 11795

Property Summary

Property Type	Single Family Home
Lot Size	0.25 acres (10,890 sqft)
Owner	2 Individual Names on File
Last Sale	$225,000 (Feb 2002)
Tax Bill	$10,582 (2024)
Deeds & Mortgages	Dec 2021 Refinance Jun 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`472889 311.-1-114`

Property Details

APN / Parcel Number

Primary APN	`472889 311.-1-114`
Alternative APNs	`0500-311.00-01.00-114.000` `288931100000011140000000` `472800632170` `654960`

Exterior

Lot Area	10,890 sqft (0.25 acres)
Lot Dimensions	150 ft deep x 75 ft wide

Location & Zoning

Account Number	654960
Street Address	4 GRIDLEY ST
City	WEST ISLIP
State	NY
Zip	11795-1007
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A
Legal Description	X2192551Y186572 T015H00000000
Legal Block	1000
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	2
Census Block	2005
Census Tract	146704

Owner

4 Gridley St is owned and occupied by two individuals who bought it in February 2002.

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

Owner of Record	2 Individual Names on File
Mailing Address	4 GRIDLEY ST, WEST ISLIP, NY 11795-1007
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Dec 17, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance BETHPAGE FCU
Jun 5, 2020	Deed of Trust, Mortgage · Balloon Mortgage BETHPAGE FCU
Mar 27, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance BETHPAGE FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 6, 2002 · Amount on File
Deed Sale	Feb 6, 2002 · Amount on File
Deed Book / Page	12167 / 736
Record Updated	Sep 20, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	4 GRIDLEY ST, WEST ISLIP, NY 11795-1007
Transaction Type	Mortgage
Record Updated	Jan 25, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0233580464
Date	Dec 17, 2021
Book Page	23358/464
Instrument	DM053261

Lender

Name	BETHPAGE FCU
Type	Credit Union

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	349 Months
Due	Jan 1, 2051

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	4 GRIDLEY ST, WEST ISLIP, NY 11795-1007
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0231410323
Date	Jun 5, 2020
Book Page	23141/323
Instrument	DL009670

Lender

Name	BETHPAGE FCU
Type	Credit Union

Agreement

Type	Balloon Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2050

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	4 GRIDLEY ST, WEST ISLIP, NY 11795-1007
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0231190298
Date	Mar 27, 2020
Book Page	23119/298
Instrument	DK047363

Lender

Name	BETHPAGE FCU
Type	Credit Union

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2050

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	West Islip Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$39,700 Land $7,500 Building $32,200	$559,155 (-) Land $105,634 Building $453,521
2024	$10,582.00		$559,155 (+2.54%) Land $105,634 Building $453,521
2023		$39,700 Land $7,500 Building $32,200	$545,330 Land $103,022 Building $442,308

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

FEMA maps place 4 Gridley St in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1998.

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	5 in force
Nearby Flood Claims	3 (1998–2010)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Mar 2010 · Severe Storms And Flooding

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

Wildfire risk around 4 Gridley St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 98% of the US · lower than 97.9% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 486 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300

May also be available: Frontier.

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