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421 Adelphi St, Apt A, Brooklyn, NY 11238 Property Records

New York City property record for 421 Adelphi St, Apt A, Brooklyn, NY 11238

Property Summary

Property TypeCondominium
Details1,145 sqft · built 1988
Owner2 Individual Names on Record
Last Sale$900,000 (Aug 2022)
Tax Bill$13,690 (2025)
Deeds & MortgagesAug 2022 Sale & Mortgage
Jul 2022 Sale
APN01958-1101

Property Details

APN / Parcel Number

Primary APN01958-1101
Alternative APNs
  • 0703019581101
  • 3-01958-1101

Interior

Units9 Units
Stories4 Stories
Building Area1,145 sqft Living Area

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleCondo/Apartment
View / LotCorner

Location & Zoning

Account Number3-01958-1101
Street Address421 ADELPHI ST, A
CityBROOKLYN
StateNY
Zip11238-1563
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodeR6B
Legal SubdivisionFORT GREEN PARTNERSHIP HMS CON
Legal Block1958
Legal Lot Number1101
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group3
Census Block3000
Census Tract17900

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 Record2 Individual Names on Record
Mailing Address421 ADELPHI ST, A, BROOKLYN, NY 11238-1563
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

DateDocument
Aug 19, 2022Deed, Transfer
US BANK NATIONAL ASSOCIATION
Jul 1, 2022Deed, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 19, 2022 · Amount on Record
Deed SaleAug 19, 2022 · Amount on Record
Deed Document Number2022327462
Prior Transfer DateJun 11, 2022
Prior Transfer Doc0000262505
Record UpdatedOct 29, 2026

August 2022: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateAug 19, 2022
Property Address421 ADELPHI ST APT A, A, BROOKLYN, NY 11238-1563
Document Number0000327462
Instrument DateAug 1, 2022
Instrument2022000327462
Transaction TypeTransfer
Record UpdatedJan 24, 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
Address421 ADELPHI ST, BROOKLYN, NY 11238-1562

Transferred To (Grantee/Buyer)

NameVerified Name
Address83 HERBERT ST APT 3, 3, BROOKLYN, NY 11222-7120

Mortgage

Document Number0000327463
DateAug 19, 2022
Instrument2022000327463
Lender
NameUS BANK NATIONAL ASSOCIATION
Agreement
AmountAmount Recorded

July 2022: Deed, Transfer

Document TypeDeed
JurisdictionKINGS (BROOKLYN) NY
Recording DateJul 1, 2022
Property Address421 ADELPHI ST APT A, A, BROOKLYN, NY 11238-1563
Document Number0000262505
Instrument DateJun 11, 2022
Instrument2022000262505
Transaction TypeTransfer
Record UpdatedJan 24, 2024

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address44 HILLTOP AVE, WEST BABYLON, NY 11704-2505

Transferred To (Grantee/Buyer)

NameVerified Name
Address44 HILLTOP AVE, WEST BABYLON, NY 11704-2505

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$125,394 (+12.1%) Land $9,657 Building $115,737$278,654 (+12.1%) Land $21,460 Building $257,194
2025$13,690.00 (+11.55%)
2023$12,272.00$111,856 Land $9,657 Building $102,199$248,569 Land $21,460 Building $227,109

Assessed value is set for property tax purposes, not a market price estimate; it is 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 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 1,496 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
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
T-Mobile
Fixed Wireless		100 / 20

May also be available: Optimum, Skywire Networks, Starry.

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