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5909 20th Ave, Brooklyn, NY 11204 Property Records

New York City property record for 5909 20th Ave, Brooklyn, NY 11204

Property Summary

Property TypeDuplex
Details1,600 sqft · built 1925
Lot Size0.055 acres (2,400 sqft)
Owner2 Individual Names on Record
Last Sale$999,000 (Sep 2022)
Tax Bill$10,141 (2025)
Deeds & MortgagesSep 2022 Sale & Mortgage
APN05514-0006

Property Details

APN / Parcel Number

Primary APN05514-0006
Alternative APNs
  • 1703055140006
  • 3-05514-0006

Interior

Units2 Units
Stories2 Stories
Building Area1,600 sqft Living Area
1st Floor Area800 sqft

Exterior

Year BuiltBuilt 1925
Effective Year BuiltEffective 1925
Architectural StyleDuplex Single
Construction TypeBrick
Lot Area2,400 sqft (0.055 acres)
Lot Dimensions100 ft deep x 24 ft wide

Location & Zoning

Account Number3-05514-0006
Street Address5909 20TH AVE
CityBROOKLYN
StateNY
Zip11204-2408
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR5
Legal Block5514
Legal Lot Number6
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group3
Census Block3001
Census Tract24600

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 Record2 Individual Names on Record
Mailing Address5909 20TH AVE, BROOKLYN, NY 11204-2408
OccupancyOwner Occupied
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 6, 2022 · Amount on Record
Deed SaleSep 6, 2022 · Amount on Record
Prior SaleSep 9, 2014 · Amount on Record
Deed Document Number2022346918
Record UpdatedOct 29, 2026

September 2022: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateSep 6, 2022
Property Address5909 20TH AVE, BROOKLYN, NY 11204-2408
Document Number0000346918
Instrument DateAug 25, 2022
Instrument2022000346918
Transaction TypeTransfer
Record UpdatedJan 4, 2024

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address5909 20TH AVE, BROOKLYN, NY 11204-2408

Transferred To (Grantee/Buyer)

NameVerified Name
Address5909 20TH AVE, BROOKLYN, NY 11204-2408

Mortgage

Document Number0000346919
DateSep 6, 2022
Instrument2022000346919
Lender
NameUNITED WHOLESALE MORTGAGE LLC
TypeMortgage Company
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$97,620 (+8.47%) Land $22,440 Building $75,180$1,627,000 (+8.47%) Land $374,000 Building $1,253,000
2025$10,141.00 (+12.35%)
2023$9,026.00$90,000 Land $22,440 Building $67,560$1,500,000 Land $374,000 Building $1,126,000

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 1,348 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
Skywire Networks
Fixed Wireless		1,000 / 1,000
T-Mobile
Fixed Wireless		100 / 20

May also be available: Starry.

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