21 James St, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 21 James St, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.34 acres (14,810 sqft)
Owner	2 Individual Names on File
Last Sale	$495,000 (Nov 2023)
Deeds & Mortgages	Nov 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`472889 319.-3-17`

Property Details

APN / Parcel Number

Primary APN	`472889 319.-3-17`
Alternative APNs	`0500-319.00-03.00-017.000` `288931900000030170000000` `472800653530` `600150`

Exterior

Lot Area	14,810 sqft (0.34 acres)
Lot Dimensions	150 ft deep x 100 ft wide

Location & Zoning

Account Number	600150
Street Address	21 JAMES ST
City	ISLIP
State	NY
Zip	11751-2605
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	B
Legal Description	X2218314Y188354 T044H00000000
Legal Subdivision	LAIRD TERRACE
Legal Block	9000
Legal Lot Number	300
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1031
Census Tract	147401

Owner

Source: Suffolk County and Islip Town records · APN 472889 319.-3-17

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	21 JAMES ST, ISLIP, NY 11751-2605
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 30, 2023 · Amount on Record
Deed Sale	Nov 30, 2023 · Amount on Record
Deed Book / Page	13227 / 726
Prior Transfer Date	Oct 04, 2023
Record Updated	Sep 20, 2026

November 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Nov 30, 2023
Property Address	21 JAMES ST, ISLIP, NY 11751-2605
Document Number	0132270726
Book / Page	13227 / 726
Instrument Date	Oct 04, 2023
Transaction Type	Transfer
Record Updated	Mar 26, 2024
Title Company	STEWART TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21 JAMES ST, ISLIP, NY 11751-2605

Mortgage

Document Number	0023551918
Date	Nov 30, 2023
Instrument	23551/918

Lender

Name	NATIONWIDE MORTGAGE BANKERS

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

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	$41,900 (-) Land $9,300 Building $32,600
2024		$590,141 (+2.54%) Land $130,986 Building $459,155
2023	$41,900 Land $9,300 Building $32,600	$575,549 Land $127,747 Building $447,802

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 98% of the US · lower than 97.9% 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

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.