42 Oak St, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 42 Oak St, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Details1,056 sqft · built 1924
Lot Size0.21 acres (9,148 sqft)
OwnerIndividual Name on Record
Last Sale$230,000 (Feb 2018)
Deeds & MortgagesFeb 2018 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN472889 320.-2-72

Property Details

APN / Parcel Number

Primary APN472889 320.-2-72
Alternative APNs
  • 0500-320.00-02.00-072.000
  • 288932000000020720000000
  • 472800655820
  • 590170

Interior

Building Area1,056 sqft Living Area
1st Floor Area800 sqft

Exterior

Year BuiltBuilt 1924
Effective Year BuiltEffective 1924
Lot Area9,148 sqft (0.21 acres)
Lot Dimensions125 ft deep x 75 ft wide
Garage TypeDetached
Garage Area480 sqft

Location & Zoning

Account Number590170
Street Address42 OAK ST
CityISLIP
StateNY
Zip11751-2808
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionX2220002Y188563 T044H00000000
Legal SubdivisionMAP ISLIP MANOR
Legal Block0002
Legal Lot Number200
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1018
Census Tract147401

Owner

Source: Suffolk County and Islip Town records, as of July 8, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address42 OAK ST, ISLIP, NY 11751-2808
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 1, 2018 · Amount on Record
Deed SaleFeb 1, 2018 · Amount on Record
Deed Document Number201818-0020405
Deed Book / Page12948 / 601
Prior Transfer DateOct 30, 2002
Prior Transfer Doc0122300388
Record UpdatedSep 20, 2026

February 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSUFFOLK NY
Recording DateFeb 1, 2018
Property Address42 OAK ST, ISLIP, NY 11751-2808
Document Number0129480601
Book / Page012948 / 000601
Instrument DateDec 10, 2017
Transaction TypeTransfer
Record UpdatedApr 12, 2018
Title CompanyMKM ABSTRACT SERVICES INC

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$920.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address42 OAK ST ISLIP NY 117512808, ISLIP, NY 11751-2808

Mortgage

Document Number228970694
DateFeb 1, 2018
Book Page022897/000694
Lender
NameTHOMAS M BOSCH
Address2385 SPENCERPORT RD, SPENCERPORT, NY 14559-2028
Special NotesSeller Financed
Agreement
TypeConventional Mortgage
AmountAmount Recorded

Tax Assessment & Valuation

Source: Suffolk County and Islip Town assessment roll, as of July 8, 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionIslip Town
Unified School DistrictIslip Union Free School District (KG - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2025$30,700 (-) Land $6,700 Building $24,000
2024$432,394 (+2.54%) Land $94,366 Building $338,028
2023$30,700 Land $6,700 Building $24,000$421,703 Land $92,033 Building $329,670

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

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims25 (1979–2023)
Claims Outside the SFHA18 of 25
Most Recent ClaimJul 2023 · river or lake flooding
Claims by Event
  • Severe Storms And Flooding, Mar 2010 · 2 claims

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

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 371 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

May also be available: T-Mobile.

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