50 Keswick Ln, Plainview, NY 11803 Property Records

Nassau County and Oyster Bay Town property record for 50 Keswick Ln, Plainview, NY 11803

Property Summary

Property TypeSingle Family Home
Details3.5 ba · 1,716 sqft · built 1956
Lot Size0.167 acres (7,280 sqft)
Owner2 Individual Names on Record
Last Sale$720,000 (Oct 2020)
Tax Bill$17,642 (2025)
Deeds & MortgagesJun 2023 Line of Credit
Oct 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN46-611-00-0008

Property Details

APN / Parcel Number

Primary APN46-611-00-0008
Alternative APNs
  • 2489-46-611-00-0008-0
  • 46611000008000000000
  • 282489 46.-611-8
  • 46611 00080

Interior

Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories1 Story
Building Area1,716 sqft Living Area
Gross Area1,878 sqft
1st Floor Area1,150 sqft
Basement Area450 sqft
Finished Basement450 sqft
Game RoomGame Room

Exterior

Year BuiltBuilt 1956
Effective Year BuiltEffective 1956
Architectural StyleSplit Level
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Foundation TypeConcrete
Roof MaterialOther
Lot Area7,280 sqft (0.167 acres)
Lot Dimensions100 ft deep x 70 ft wide
Garage TypeAttached
Garage Area162 sqft

Exterior Amenities

Pool Area512 sqft
PorchOpen Frame Porch
Porch Area204 sqft
Patio Area180 sqft
Balcony Area58 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelOil
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number46611 00080
Street Address50 KESWICK LN
CityPLAINVIEW
StateNY
Zip11803-6100
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTOWN #3 SCH DIST 021
Legal Block611
Legal Lot Number8
JurisdictionNASSAU NY
Township / Civil DivisionOYSTER BAY
Census Block Group2
Census Block2003
Census Tract519900

Owner

Source: Nassau County and Oyster Bay Town records, as of June 17, 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 Record
Mailing Address50 KESWICK LN, PLAINVIEW, NY 11803-6100
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jun 28, 2023Deed of Trust, Mortgage · Line of Credit
JOVIA FINANCIAL FCU
Oct 21, 2020Bargain and Sale Deed, Transfer · Conventional Mortgage
FREEDOM MORTGAGE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 21, 2020 · Amount on Record
Deed SaleOct 21, 2020 · Amount on Record
Prior SaleAug 13, 2019 · Amount on Record
Deed Document Number202099351
Deed Book / Page13990 / 755
Prior Transfer DateJun 6, 1995
Prior Transfer Doc1054000695
Record UpdatedOct 29, 2026

June 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNASSAU NY
Property Address50 KESWICK LN, PLAINVIEW, NY 11803-6100
Transaction TypeMortgage
Record UpdatedJul 5, 2023

Transferred To (Grantee/Buyer)

NameVerified Name
Address50 KESWICK LN, PLAINVIEW, NY 11803-6100

Mortgage

Document NumberM471930100
DateJun 28, 2023
Book PageM47193/100
Instrument2023-37897
Lender
NameJOVIA FINANCIAL FCU
TypeCredit Union
AddressWESTBURY, NY 11590
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueJun 27, 2053
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

October 2020: Bargain and Sale Deed, Transfer

Document TypeBargain and Sale Deed
JurisdictionNASSAU NY
Recording DateOct 21, 2020
Property Address50 KESWICK LN, PLAINVIEW, NY 11803-6100
Document Number0139900755
Book / Page13990 / 755
Map ReferenceFILE 6309
Instrument DateOct 9, 2020
Instrument2020-099351
Transaction TypeTransfer
Record UpdatedMay 14, 2021
Title CompanyAMTRUST TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$2,880.00
Amount AccuracyCalculated from Transfer Tax
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address229 MEREDITH LN, 229, WEST HEMPSTEAD, NY 11552-1244

Transferred To (Grantee/Buyer)

NameVerified Name
Address319 E 24TH ST APT 15F, 15F, NEW YORK, NY 10010-4042

Mortgage

Document Number2020099352
DateOct 21, 2020
Instrument2020-099352
Lender
NameFREEDOM MORTGAGE
Agreement
TypeConventional Mortgage
AmountAmount Recorded

Tax Assessment & Valuation

Source: Nassau County and Oyster Bay Town assessment roll, as of June 17, 2026

Property Jurisdictions

TypeName
StateNew York
CountyNassau County
County SubdivisionOyster Bay Town
Unified School DistrictBethpage Union Free School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$637 (-) Land $281 Building $356$637,000 (-)
2025$17,642.00 (+8.35%)
2023$16,283.00 Additional exemption filed$637 Land $281 Building $356$637,000

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 April 5, 2023 · 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 Policies2 in force

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 SystemBETHPAGE WD
serves 33,000 people · EPA ID NY2902817
Water SourceGroundwater
Last State InspectionJul 2025
LeadUnder 1 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
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 597 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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