11 Bertram St, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 11 Bertram St, Islip, NY 11751 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Year BuiltBuilt 1959
Square Footage1,942 sqft Living Area
Lot Size6,970 sqft (0.16 acres)
OccupancyOwner Occupied
Last Sale$680,000 (2023)
Tax Bill$13,085.00 (2024)

Property Details

APN / Parcel Number

Primary APN472889 270.-2-30
Alternative APNs
  • 0500-270.00-02.00-030.000
  • 288927000000020300000000
  • 472800544170
  • 572741

Interior

Building Area1,942 sqft Living Area
1st Floor1,112 sqft 1st Floor

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1959
Lot Area6,970 sqft (0.16 acres)
Depth X Width100 ft x 72.5 ft Depth x Width

Location & Zoning

Account Number572741
Street Address11 BERTRAM ST
CityISLIP
StateNY
Zip11751-1001
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionX2214287Y192230 T043H00000000
Legal SubdivisionMAP OF PINES OF ISLIP
Legal Block0002
Legal Lot Number200
JurisdictionSUFFOLK NY
Minor Civil DivisionISLIP
Census Blockgroup1
Census Block1011
Census Tract146103

Owner

Source: Suffolk County and Islip Town records · APN 472889 270.-2-30

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 Record2 Individual Names on File
Mailing Address1522 CHICAGO AVE, BAY SHORE, NY 11706-4628
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingHusband And Wife

Deeds, Mortgages & Sale History

DateDocument
Aug 13, 2021Deed of Trust, Mortgage · Stand Alone Refinance
TEACHERS FCU
Aug 03, 2023Deed, Transfer · Stand Alone First Mortgage
UNITED WHOLESALE MORTGAGE
Aug 13, 2021Deed, Transfer
Jan 10, 2017Deed of Trust, Mortgage · Conventional Mortgage with Private Mortgage Insurance (PMI)
TEACHERS FCU

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 03, 2023 · Amount on Record
Deed SaleAug 03, 2023 · Amount on Record
Prior SaleFeb 29, 2000 · Amount on Record
Deed Book / Page13212 / 206
Prior Transfer DateOct 21, 2020
Record RefreshedSep 20, 2026

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address11 BERTRAM ST, ISLIP, NY 11751-1001
Transaction TypeMortgage
Record UpdatedFeb 23, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0233130015
DateAug 13, 2021
Book Page23313/15
InstrumentDM029462
Lender
NameTEACHERS FCU
TypeCredit Union
Agreement
TypeStand Alone Refinance
AmountAmount Recorded
Term169 Months
DueSep 01, 2035

August 2023: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateAug 03, 2023
Property Address11 BERTRAM ST, ISLIP, NY 11751-1001
Document Number0132120206
Book / Page13212 / 206
Instrument DateJun 01, 2023
Transaction TypeTransfer
Record UpdatedMar 05, 2024

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1522 CHICAGO AVE, BAY SHORE, NY 11706-4628

Mortgage

Document Number0023525686
DateAug 03, 2023
Instrument23525/686
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeStand Alone First Mortgage
AmountAmount Recorded

August 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateAug 13, 2021
Property Address11 BERTRAM ST, ISLIP, NY 11751-1001
Document Number0131160083
Book / Page13116 / 83
Instrument DateOct 21, 2020
Transaction TypeTransfer
Record UpdatedFeb 23, 2024

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address11 BERTRAM ST, ISLIP, NY 11751-1001

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address11 BERTRAM ST, ISLIP, NY 11751-1001
Document Number0227890265
Book / Page022789 / 000265
Instrument DateJan 10, 2017
Transaction TypeMortgage
Record UpdatedJun 27, 2017
Title CompanyFIRST RESOURCE TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address11 BERTRAM ST ISLIP NY 117511001, ISLIP, NY 11751-1001

Mortgage

Document Number0227890265
DateFeb 16, 2017
Book Page022789/000265
Lender
NameTEACHERS FCU
TypeCredit Union
AddressHAUPPAUGE, NY 11788
Agreement
TypeConventional Mortgage with Private Mortgage Insurance (PMI)
AmountAmount Recorded
Term240 Months
DueFeb 15, 2037

Tax Assessment & Valuation

Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

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

YearTax BillAssessed ValueAssessed Market Value
2025$41,400 (-) Land $6,600 Building $34,800$583,099 (-) Land $92,958 Building $490,141
2024$13,085.00$583,099 (+2.54%) Land $92,958 Building $490,141
2023$41,400 Land $6,600 Building $34,800$568,681 Land $90,659 Building $478,022

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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

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