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306 Knickerbocker Ave, Brooklyn, NY 11237 Property Records

New York City property record for 306 Knickerbocker Ave, Brooklyn, NY 11237

Property Summary

Property TypeMixed Use Commercial Office / Residential
Details4,900 sqft · built 1931
Lot Size0.057 acres (2,500 sqft)
OwnerCompany Name on Record
Last Sale$307,500 (Mar 2001)
Tax Bill$10,411 (2025)
Deeds & MortgagesMar 2017 Mortgage
Mar 2017 Loan Modification
APN03219-0032

Property Details

APN / Parcel Number

Primary APN03219-0032
Alternative APNs
  • 1103032190032
  • 3-03219-0032

Interior

Units8 Units
Stories3 Stories
Building Area4,900 sqft Gross Area
1st Floor Area1,750 sqft

Exterior

Year BuiltBuilt 1931
Effective Year BuiltEffective 1931
Lot Area2,500 sqft (0.057 acres)
Lot Dimensions100 ft deep x 25 ft wide

Location & Zoning

Account Number3-03219-0032
Street Address306 KNICKERBOCKER AVE
CityBROOKLYN
StateNY
Zip11237-3104
Property CategoryCommercial
Property TypeCommercial > Office > Mixed Use Commercial Office / Residential
Local Zoning CodeR6
Legal Block3219
Legal Lot Number32
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group2
Census Block2001
Census Tract42900

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address306 KNICKERBOCKER AVE, BROOKLYN, NY 11237-3104
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

DateDocument
Mar 3, 2017Deed of Trust, Mortgage · Commercial Mortgage
NEW YORK COMMUNITY BANK
Mar 1, 2017Loan Modification, Consolidation and Extension, Mortgage
NEW YORK CMNTY BK

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 19, 2001 · Amount on Record
Deed SaleMar 19, 2001 · Amount on Record
Deed Book / Page5107 / 0231
Last Transfer DateMar 30, 2007
Transfer Doc0000248915
Record UpdatedJun 8, 2026

March 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKINGS (BROOKLYN) NY
Property Address306 KNICKERBOCKER AVE, BROOKLYN, NY 11237-3104
Transaction TypeMortgage
Record UpdatedOct 24, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address2162 E 8TH ST, BROOKLYN, NY 11223-4942

Mortgage

Document Number0000085729
DateMar 3, 2017
Instrument2017000085729
Lender
NameNEW YORK COMMUNITY BANK
TypeBank
Address102 DUFFY AVE # 33, HICKSVILLE, NY 11801
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

March 2017: Loan Modification, Consolidation and Extension, Mortgage

Document TypeLoan Modification, Consolidation and Extension
JurisdictionKINGS (BROOKLYN) NY
Property Address306 KNICKERBOCKER AVE, BROOKLYN, NY 11237-3104
Document Number0000085730
Instrument DateMar 1, 2017
Transaction TypeMortgage
Record UpdatedJan 14, 2020
Title CompanyKNICKERBOCKER ABSTRACT COMPANY INC, KNICKERBOCKER ABSTRACT CO INC

Transaction

Additional
  • Multiple Parcels

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address2162 E 8TH ST BROOKLYN NY 112234918, BROOKLYN, NY 11223-4918

Mortgage

Document Number0000085730
DateMar 3, 2017
Instrument85730
Lender
NameNEW YORK CMNTY BK
TypeBank
Address102 DUFFY AVE # 3RD, HICKSVILLE, NY 11801-3630
Agreement
AmountAmount Recorded

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$250,200 (+88.35%) Land $18,360 Building $231,840$4,170,000 (+88.35%) Land $306,000 Building $3,864,000
2025$10,411.00 (+6.01%)
2023$9,821.00$132,840 Land $18,360 Building $114,480$2,214,000 Land $306,000 Building $1,908,000

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

FEMA Flood ZoneNot on file

Values are read at the parcel center point; 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 1,683 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

May also be available: Skywire Networks, Starry, T-Mobile.

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