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647 Knickerbocker Ave, Brooklyn, NY 11221 Property Records

New York City property record for 647 Knickerbocker Ave, Brooklyn, NY 11221

Property Summary

Property TypeDuplex
Details2,000 sqft · built 1950
Lot Size0.042 acres (1,807 sqft)
OwnerIndividual Name on Record
Last Sale$480,000 (Feb 2017)
Tax Bill$2,690 (2025)
Deeds & MortgagesFeb 2017 Sale & Mortgage
APN03365-0106

Property Details

APN / Parcel Number

Primary APN03365-0106
Alternative APNs
  • 1106033650106
  • 3-03365-0106

Interior

Units2 Units
Stories2 Stories
Building Area2,000 sqft Living Area
1st Floor Area1,000 sqft

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleDuplex Single
Construction TypeBrick
Lot Area1,807 sqft (0.042 acres)
Lot Dimensions90.3 ft deep x 20 ft wide

Location & Zoning

Account Number3-03365-0106
Street Address647 KNICKERBOCKER AVE
CityBROOKLYN
StateNY
Zip11221-5037
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR6
Legal Block3365
Legal Lot Number106
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group1
Census Block1000
Census Tract43500

Owner

Source: New York City records, as of May 4, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on Record
Mailing Address647A KNICKERBOCKER AVE, BROOKLYN, NY 11221-5037
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 22, 2017 · Amount on Record
Deed SaleFeb 22, 2017 · Amount on Record
Prior SaleJun 17, 2016 · Amount on Record
Deed Document Number201772049
Record UpdatedOct 29, 2026

February 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionKINGS (BROOKLYN) NY
Recording DateFeb 22, 2017
Property Address647 KNICKERBOCKER AVE, BROOKLYN, NY 11221-5037
Document Number0000072049
Instrument DateFeb 9, 2017
Instrument72049
Transaction TypeTransfer
Record UpdatedFeb 28, 2017
Title CompanyINTER-COUNTY ABSTRACT CORPORATION, INTER-COUNTY ABSTRACT CORP.

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$1,920.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address647A KNICKERBOCKER AVE #1ST BROOKLYN NY 11221, 1ST, BROOKLYN, NY 11221

Mortgage

Document Number72050
DateFeb 22, 2017
Instrument72050
Lender
NameTD BK NA
TypeBank
AddressWILMINGTON, DE 19808
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 21, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$62,340 (-3.53%) Land $11,880 Building $50,460$1,039,000 (-3.53%) Land $198,000 Building $841,000
2025$2,690.00 (+7.13%)
2023$2,511.00$64,620 Land $11,880 Building $52,740$1,077,000 Land $198,000 Building $879,000

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 Policies1 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 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 1,574 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
Optimum
Cable · Fiber in parts of the area		940 / 35
T-Mobile
Fixed Wireless		100 / 20

May also be available: Spectrum, Starry.

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