431 Smith St, Central Islip, NY 11722 Property Records

Suffolk County and Islip Town property record for 431 Smith St, Central Islip, NY 11722

Property Summary

Property Type	Duplex
Details	1,837 sqft · built 1957
Lot Size	0.17 acres (7,405 sqft)
Owner	Individual Name on File
Last Sale	$98,000 (Jun 1999)
Tax Bill	$10,780 (2024)
Deeds & Mortgages	Apr 2021 Refinance
Flood Zone	Zone X (minimal risk)
APN	`472889 142.-1-110`

Property Details

APN / Parcel Number

Primary APN	`472889 142.-1-110`
Alternative APNs	`0500-142.00-01.00-110.000` `288914200000011100000000` `472800310510` `385930`

Interior

Units	2 Units
Building Area	1,837 sqft Living Area
1st Floor Area	950 sqft
Basement Area	525 sqft

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Architectural Style	Duplex Single
Lot Area	7,405 sqft (0.17 acres)
Lot Dimensions	95 ft deep x 79 ft wide
Garage Type	Attached
Garage Area	220 sqft

Location & Zoning

Account Number	385930
Street Address	431 SMITH ST
City	CENTRAL ISLIP
State	NY
Zip	11722-3723
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	B
Legal Description	EDZ X2222459Y203925 T024H00000000
Legal Subdivision	MAP OF BRIGHTSIDES
Legal Block	2000
Legal Lot Number	100
Jurisdiction	SUFFOLK NY
Township / Civil Division	ISLIP
Census Block Group	1
Census Block	1015
Census Tract	146203

Owner

Source: Suffolk County and Islip Town records · APN 472889 142.-1-110

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	431 SMITH ST, CENTRAL ISLIP, NY 11722-3723
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 23, 1999 · Amount on Record
Deed Sale	Jun 23, 1999 · Amount on Record
Deed Book / Page	11970 / 871
Last Transfer Date	Aug 09, 2001
Transfer Doc	1213000655
Record Updated	Sep 20, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SUFFOLK NY
Property Address	431 SMITH ST, CENTRAL ISLIP, NY 11722-3723
Transaction Type	Mortgage
Record Updated	May 25, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0232630193
Date	Apr 21, 2021
Book Page	23263/193
Instrument	DM004550

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Government Agency

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	May 01, 2051

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	Central Islip Union Free School District (PK - 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		$32,500 (-) Land $3,900 Building $28,600	$457,747 (-) Land $54,930 Building $402,817
2024	$10,780.00		$457,747 (+2.54%) Land $54,930 Building $402,817
2023		$32,500 Land $3,900 Building $28,600	$446,428 Land $53,571 Building $392,857

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031462031, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

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, availability as of December 31, 2025 · sampled at 171 locations within half a mile · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, 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.