5123 Ave K, Brooklyn, NY 11234 Property Records

New York City property record for 5123 Ave K, Brooklyn, NY 11234

Property Summary

Property TypeDuplex
Details2,105 sqft · built 1940
Lot Size0.053 acres (2,300 sqft)
OwnerIndividual Name on Record
Tax Bill$6,893 (2025)
Deeds & MortgagesOct 2020 Mortgage
APN07799-0001

Property Details

APN / Parcel Number

Primary APN07799-0001
Alternative APNs
  • 2308077990001
  • 3-07799-0001

Interior

Units2 Units
Stories1 Story
Building Area2,105 sqft Living Area
1st Floor Area2,105 sqft

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Architectural StyleDuplex Single
Lot Area2,300 sqft (0.053 acres)
Lot Dimensions100 ft deep x 23 ft wide
View / LotCorner

Location & Zoning

Account Number3-07799-0001
Street Address5123 AVENUE K
CityBROOKLYN
StateNY
Zip11234-3217
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR4
Legal Block7799
Legal Lot Number1
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group1
Census Block1001
Census Tract67600

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 RecordIndividual Name on Record
Mailing Address5123 AVENUE K, BROOKLYN, NY 11234-3217
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 12, 2001
Deed SaleDec 12, 2001
Deed Book / Page05396 / 01160
Last Transfer DateMay 30, 2003
Record UpdatedJun 8, 2026

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKINGS (BROOKLYN) NY
Property Address5123 AVENUE K, BROOKLYN, NY 11234-3217
Transaction TypeMortgage
Record UpdatedMar 4, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000272342
DateOct 6, 2020
Instrument2020000272342
Lender
NameADVISORS MORTGAGE GROUP LLC
Address1411 STATE ROUTE 35, OCEAN, NJ 07712
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$49,020 (+19.27%) Land $10,620 Building $38,400$817,000 (+19.27%) Land $177,000 Building $640,000
2025$6,893.00 (-3.94%)
2023$7,176.00$41,100 Land $10,620 Building $30,480$685,000 Land $177,000 Building $508,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneNot on file
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 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 1,832 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

May also be available: T-Mobile.

Nearby Properties on Ave K

Nearby Streets

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