22 William Ave, East Islip, NY 11730 Property Records

Suffolk County and Islip Town property record for 22 William Ave, East Islip, NY 11730

Property Summary

Property TypeSingle Family Home
Details1,638 sqft · built 2016
Lot Size0.25 acres (10,890 sqft)
OwnerIndividual Name on Record
Last Sale$328,000 (Sep 2017)
Deeds & MortgagesSep 2017 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN472889 372.-4-17

Property Details

APN / Parcel Number

Primary APN472889 372.-4-17
Alternative APNs
  • 0500-372.00-04.00-017.000
  • 288937200000040170000000
  • 472800771770
  • 181460

Interior

Building Area1,638 sqft Living Area
1st Floor Area936 sqft

Exterior

Year BuiltBuilt 2016
Effective Year BuiltEffective 2016
Lot Area10,890 sqft (0.25 acres)
Lot Dimensions151 ft deep x 72 ft wide
Garage TypeAttached
Garage Area352 sqft

Location & Zoning

Account Number181460
Street Address22 WILLIAM AVE
CityEAST ISLIP
StateNY
Zip11730-2305
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA
Legal DescriptionX2223171Y184364 T061H00000000
Legal SubdivisionMAP OF ESTATE OF LEE JOHNSON
Legal Block2000
Legal Lot Number400
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1001
Census Tract147504

Owner

Source: Suffolk County and Islip Town records, as of August 11, 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 Address22 WILLIAM AVE, EAST ISLIP, NY 11730-2305
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 5, 2017 · Amount on Record
Deed SaleSep 5, 2017 · Amount on Record
Prior SaleMar 19, 2013 · Amount on Record
Deed Book / Page12928 / 127
Record UpdatedSep 20, 2026

September 2017: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionSUFFOLK NY
Recording DateSep 5, 2017
Property Address22 WILLIAM AVE, EAST ISLIP, NY 11730-2305
Document Number0129280127
Book / Page012928 / 000127
Instrument DateJul 17, 2017
Transaction TypeSubdivision Related Transfer
Record UpdatedAug 25, 2018
Title CompanyALL STATE ABSTRACT CORPORATION, ALL STATE ABSTRACT CORP.

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$1,312.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address64 BRIGHTSIDE AVE CENTRAL ISLIP NY 117222939, CENTRAL ISLIP, NY 11722-2939

Mortgage

Document Number228510534
DateSep 5, 2017
Book Page022851/000534
Lender
NameCOMMUNITY DEV COMMISSION
TypeConstruction/Development Company
AddressBAY SHORE, NY 11706
Agreement
TypeConventional Mortgage
AmountAmount Recorded

Mortgage

Document Number228510535,
DateSep 5, 2017
Book Page022851/000535
Lender
NameCOMMUNITY DEV COMMISSION
TypeConstruction/Development Company
AddressBAY SHORE, NY 11706
Agreement
AmountAmount Recorded

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 DistrictEast Islip Union Free School District (PK - 12)

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2025$29,840 (-) Land $9,900 Building $19,940
2024$420,282 (+2.54%) Land $139,437 Building $280,845
2023$29,840 Land $9,900 Building $19,940$409,890 Land $135,989 Building $273,901

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
Flood Insurance CostPremium on Record
median of 14 policies
Nearby Flood Policies14 in force
Nearby Flood Claims1 (2005)
Claims Outside the SFHA1 of 1
Most Recent ClaimOct 2005 · rainfall accumulation

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 274 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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