440 Ralph Ave, Central Islip, NY 11722 Property Records

Suffolk County and Islip Town property record for 440 Ralph Ave, Central Islip, NY 11722

Property Summary

Property TypeSingle Family Home
Details1,004 sqft · built 1928
Lot Size0.45 acres (19,602 sqft)
Owner2 Individual Names on File
Last Sale$495,500 (Jun 2024)
Tax Bill$8,086 (2024)
Deeds & MortgagesMay 2021 Sale
Flood ZoneZone X (minimal risk)
APN472889 96.-2-42

Property Details

APN / Parcel Number

Primary APN472889 96.-2-42
Alternative APNs
  • 0500-096.00-02.00-042.000
  • 288909600000020420000000
  • 472800213230
  • 299860

Interior

Building Area1,004 sqft Living Area
1st Floor Area1,004 sqft

Exterior

Year BuiltBuilt 1928
Effective Year BuiltEffective 1928
Lot Area19,602 sqft (0.45 acres)
Lot Dimensions200 ft deep x 100 ft wide

Location & Zoning

Account Number299860
Street Address440 RALPH AVE
CityCENTRAL ISLIP
StateNY
Zip11722-1832
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeAA
Legal DescriptionX2215249Y207449 T011H00000000
Legal SubdivisionMAP MOTOR PARKWAY ACREAGE
Legal Block6000
Legal Lot Number200
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1015
Census Tract145703

Owner

440 Ralph Ave is owned by two individuals who bought it in June 2024.

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

Owner of Record2 Individual Names on File
Mailing Address5 ANNA RD, BAY SHORE, NY 11706-1625
Owner TypeIndividual
VestingHusband and Wife

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 18, 2024 · Amount on File
Deed SaleJun 18, 2024 · Amount on File
Prior SaleOct 16, 2003 · Amount on File
Deed Book / Page13253 / 14
Record UpdatedSep 20, 2026

May 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateMay 18, 2021
Property Address440 RALPH AVE, CENTRAL ISLIP, NY 11722-1832
Document Number0131040796
Book / Page13104 / 796
Instrument DateFeb 5, 2021
Transaction TypeTransfer
Record UpdatedJan 17, 2022

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionIslip Town
Unified School DistrictCentral Islip Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$29,700 Land $9,400 Building $20,300$418,309 (+3.85%) Land $132,394 Building $285,915
2024$8,086.00$402,817 (+2.54%) Land $132,394 Building $270,423
2023$28,600 Land $9,400 Building $19,200$392,857 Land $129,121 Building $263,736

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 440 Ralph Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 440 Ralph Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 384 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber
2,300 / 2,300
T-Mobile
Fixed Wireless
100 / 20

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