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4121 Ave S, Brooklyn, NY 11234 Property Records

New York City property record for 4121 Ave S, Brooklyn, NY 11234

Property Summary

Property TypeSingle Family Home
Details1,036 sqft · built 1925
Lot Size0.047 acres (2,033 sqft)
Owner2 Individual Names on File
Last Sale$635,000 (Jan 2022)
Tax Bill$7,318 (2025)
Deeds & MortgagesJan 2022 Sale & Mortgage
Aug 2017 Transfer
APN08508-0002

Property Details

APN / Parcel Number

Primary APN08508-0002
Alternative APNs
  • 2503085080002
  • 3-08508-0002

Interior

Stories2 Stories
Building Area1,036 sqft Living Area
1st Floor Area462 sqft

Exterior

Year BuiltBuilt 1925
Effective Year BuiltEffective 1925
Lot Area2,033 sqft (0.047 acres)
Lot Dimensions100 ft deep x 20.3 ft wide

Location & Zoning

Account Number3-08508-0002
Street Address4121 AVENUE S
CityBROOKLYN
StateNY
Zip11234-5009
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR3-2
Legal Block8508
Legal Lot Number2
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group1
Census Block1007
Census Tract65200

Owner

4121 Ave S is owned by two individuals who bought it in January 2022.

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

Owner of Record2 Individual Names on File
Mailing Address933 64TH ST, BROOKLYN, NY 11219-5504
Owner TypeIndividual
VestingIndividual(s)

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

Deeds, Mortgages & Sale History

DateDocument
Jan 12, 2022Deed, Transfer
MORTGAGE WORLD BANKERS INC
Aug 23, 2017Quit Claim Deed, Transfer
RIDGE ABSTRACT CORPORATION, RIDGE ABSTRACT CORP.

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 12, 2022 · Amount on File
Deed SaleJan 12, 2022 · Amount on File
Deed Document Number202218799
Record UpdatedOct 29, 2026

January 2022: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateJan 12, 2022
Property Address4121 AVENUE S, BROOKLYN, NY 11234-5009
Document Number0000018799
Instrument DateDec 15, 2021
Instrument2022000018799
Transaction TypeTransfer
Record UpdatedJan 4, 2024

Transaction

AmountAmount on Record
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
Address504 KISSEL AVE, STATEN ISLAND, NY 10301-2631

Transferred To (Grantee/Buyer)

NameVerified Name
Address933 64TH ST, BROOKLYN, NY 11219-5504

Mortgage

Document Number0000018801
DateJan 12, 2022
Instrument2022000018801
Lender
NameMORTGAGE WORLD BANKERS INC
TypeMortgage Company
Agreement
AmountAmount on Record

August 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionKINGS (BROOKLYN) NY
Recording DateAug 23, 2017
Property Address4121 AVENUE S, BROOKLYN, NY 11234-5009
Document Number0000314460
Instrument DateAug 15, 2017
Instrument314460
Transaction TypeTransfer
Record UpdatedAug 29, 2017
Title CompanyRIDGE ABSTRACT CORPORATION, RIDGE ABSTRACT CORP.

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLife Estate
Address2327 E 70TH ST BROOKLYN NY 112346507, BROOKLYN, NY 11234-6507

Tax Assessment & Valuation

The 2025 property tax bill for 4121 Ave S was $7,318.

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$46,800 Land $9,900 Building $36,900$780,000 Land $165,000 Building $615,000
2025$7,318.00
2023$6,562.00 Homeowner's exemption Veteran's exemption$41,820 Land $9,900 Building $31,920$697,000 Land $165,000 Building $532,000

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

FEMA has no flood map on file for 4121 Ave S; there have been 7 flood claims nearby since 1979.

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

FEMA Flood ZoneNot on file
Flood Insurance CostPremium on File
median of 10 policies
Nearby Flood Policies10 in force
Nearby Flood Claims7 (1979–2011)
Claims Outside the SFHA1 of 7
Most Recent ClaimAug 2011 · alluvial fan flooding

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

The area around 4121 Ave S has no burnable land within ember reach, so its wildfire risk is not rated.

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 1,902 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
T-Mobile
Fixed Wireless		100 / 20

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