30 Saint Marks Ln, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 30 Saint Marks Ln, Islip, NY 11751

Property Summary

Property Type	Single Family Home
Lot Size	0.17 acres (7,405 sqft)
Owner	2 Individual Names on File
Last Sale	$479,999 (Dec 2017)
Flood Zone	Zone X (minimal risk)
APN	`472889 371.-2-49.1`

Property Details

APN / Parcel Number

Primary APN	`472889 371.-2-49.1`
Alternative APN	`0500-371.00-02.00-049.001`

Exterior

Lot Area	7,405 sqft (0.17 acres)

Location & Zoning

Street Address	30 SAINT MARKS LN
City	ISLIP
State	NY
Zip	11751-4102
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	B
Legal Subdivision	MAP PROPERTY SOUTH SHORE HOMES INC
Legal Block	1000
Legal Lot Number	200
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1009
Census Tract	147402

Owner

Source: Suffolk County and Islip Town records · APN 472889 371.-2-49.1

Assessment roll updated July 8, 2026 · Last verified July 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	30 SAINT MARKS LN, ISLIP, NY 11751-4102
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 11, 2017 · Amount on Record
Deed Sale	Dec 11, 2017 · Amount on Record
Deed Document Number	201717-0220396
Deed Book / Page	12941 / 863
Prior Transfer Date	May 17, 2002
Prior Transfer Doc	1221000790
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Islip Town records · Assessment roll updated July 8, 2026 · Last verified July 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	$41,700 (-) Land $11,200 Building $30,500
2024		$587,323 (+2.54%) Land $157,746 Building $429,577
2023	$41,700 Land $11,200 Building $30,500	$572,802 Land $153,846 Building $418,956

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
Flood Insurance Cost	Premium on Record median of 40 policies
Nearby Flood Policies	40 in force
Nearby Flood Claims	19 (1980–2023)
Claims Outside the SFHA	18 of 19
Most Recent Claim	Jul 2023 · rainfall accumulation
Claims by Event	Hurricane Sandy, Oct 2012 · 2 claims

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	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 274 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.