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643 Rathbun Ave, Staten Island, NY 10312 Property Records

New York City and Richmond County property record for 643 Rathbun Ave, Staten Island, NY 10312

Property Summary

Property TypeDuplex
Details2 ba · 2,538 sqft · built 1970
Lot Size0.092 acres (4,000 sqft)
Owner2 Individual Names on Record
Last Sale$840,000 (Aug 2019)
Tax Bill$8,246 (2025)
Deeds & MortgagesAug 2019 Sale & Mortgage
APN06843-0173

Property Details

APN / Parcel Number

Primary APN06843-0173
Alternative APNs
  • 2802068430173
  • 5-06843-0173

Interior

Full Baths2 Baths
Half Baths4 Half Baths
Units2 Units
Stories2 Stories
Building Area2,538 sqft Living Area

Exterior

Year BuiltBuilt 1970
Effective Year BuiltEffective 1970
Architectural StyleDuplex Single
Construction TypeFrame
Lot Area4,000 sqft (0.092 acres)
Lot Dimensions100 ft deep x 40 ft wide

Location & Zoning

Account Number06843-0173
Street Address643 RATHBUN AVE
CitySTATEN ISLAND
StateNY
Zip10312-2612
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR3X
Legal Block6843
Legal Lot Number173
JurisdictionRICHMOND NY
Township / Civil DivisionSTATEN ISLAND
Census Block Group2
Census Block2009
Census Tract20804

Owner

Source: New York City and Richmond County records, as of September 18, 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 Address964 44TH ST, BROOKLYN, NY 11219-1737
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 15, 2019 · Amount on Record
Deed SaleAug 15, 2019 · Amount on Record
Prior SaleNov 22, 2005 · Amount on Record
Deed Document Number2019747828
Record UpdatedOct 29, 2026

August 2019: Bargain and Sale Deed, Transfer

Document TypeBargain and Sale Deed
JurisdictionRICHMOND NY
Recording DateAug 15, 2019
Property Address643 RATHBUN AVE, STATEN ISLAND, NY 10312-2612
Document Number0000747828
Instrument DateJul 30, 2019
Instrument747828
Transaction TypeTransfer
Record UpdatedJul 9, 2021
Title CompanySTEWART TITLE INSURANCE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$3,360.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address643 RETFORD AVE, 643, STATEN ISLAND, NY 10312-6421

Transferred To (Grantee/Buyer)

NameVerified Name
Address964 44TH ST, BROOKLYN, NY 11219-1737

Mortgage

Document Number0000747829
DateAug 15, 2019
Instrument747829
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueAug 1, 2049

Tax Assessment & Valuation

Source: New York City and Richmond County assessment roll, as of May 4, 2026

Property Jurisdictions

TypeName
StateNew York
CountyRichmond County
MunicipalityNew York City
Unified School DistrictNew York City Department Of Education (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$63,120 (+64.2%) Land $6,752 Building $56,368$1,052,000 (+19.41%) Land $173,000 Building $879,000
2025$8,246.00 (+6.8%)
2023$7,721.00$38,442 Land $7,549 Building $30,893$881,000 Land $173,000 Building $708,000

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneNot on file
Nearby Flood Policies3 in force
Nearby Flood Claims115 (1978–2007)
Claims Outside the SFHA2 of 115
Most Recent ClaimApr 2007 · Severe Storms And Inland And Coastal Flooding
Claims by Event
  • Coastal Storms & Flooding, Mar 1984 · 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 SystemNEW YORK CITY SYSTEM
serves 8,271,000 people · EPA ID NY7003493
Water SourceSurface water
Last State InspectionDec 2025
Lead10 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureUncovered finished water reservoir
currently in violation since Feb 2017
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 853 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area		2,300 / 2,300
Spectrum
Cable		1,000 / 1,000

May also be available: T-Mobile.

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