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391 Cedar Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 391 Cedar Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Details2,564 sqft · built 1967
Lot Size0.46 acres (20,038 sqft)
OwnerIndividual Name on File
Last Sale$125,000 (Mar 1997)
Deeds & MortgagesNov 2021 Sale
Flood ZoneZone X (minimal risk)
APN472889 444.-2-7

Property Details

APN / Parcel Number

Primary APN472889 444.-2-7
Alternative APNs
  • 0500-444.00-02.00-007.000
  • 288944400000020070000000
  • 472800913100
  • 035166

Interior

Building Area2,564 sqft Living Area
1st Floor Area1,724 sqft

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 1967
Lot Area20,038 sqft (0.46 acres)
Lot Width100 ft Width
Garage TypeAttached
Garage Area484 sqft

Location & Zoning

Account Number035166
Street Address391 CEDAR AVE
CityISLIP
StateNY
Zip11751-4627
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeAAA
Legal DescriptionX2216659Y179059 T059H00000000
Legal Block4000
Legal Lot Number200
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2004
Census Tract147402

Owner

391 Cedar Ave is owned and occupied by an individual who acquired it in September 2021.

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

Owner of RecordIndividual Name on File
Mailing Address391 CEDAR AVE, ISLIP, NY 11751-4627
OccupancyOwner Occupied
Owner TypeIndividual

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 NamesName on Deed
Last SaleMar 18, 1997 · Amount on File
Deed SaleMar 18, 1997 · Amount on File
Deed Book / Page11821 / 25
Last Transfer DateSep 10, 2021
Transfer Doc0131270530
Record UpdatedOct 29, 2026

November 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateNov 3, 2021
Property Address391 CEDAR AVE, ISLIP, NY 11751-4627
Document Number0131270530
Book / Page13127 / 530
Instrument DateSep 10, 2021
Transaction TypeTransfer
Record UpdatedDec 14, 2021

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship

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 DistrictIslip Union Free School District (KG - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2025$72,850 Land $15,000 Building $57,850
2024$1,026,057 (+2.54%) Land $211,268 Building $814,789
2023$72,850 Land $15,000 Building $57,850$1,000,687 Land $206,044 Building $794,643

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 391 Cedar Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 127 policies
Nearby Flood Policies127 in force
Nearby Flood Claims187 (1978–2023)
Claims Outside the SFHA79 of 187
Most Recent ClaimJul 2023 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Nov 2012 · 109 claims
  • Hurricane Irene, Aug 2011 · 9 claims
  • Hurricane Gloria, Sep 1985 · 14 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

Wildfire risk around 391 Cedar Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 215 locations within half a mile, as of December 31, 2025

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

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