421 E 51st St, Brooklyn, NY 11203 Property Records

New York City property record for 421 E 51st St, Brooklyn, NY 11203

Property Summary

Property Type	Duplex
Details	1,512 sqft · built 1901
Lot Size	0.092 acres (4,000 sqft)
Owner	2 Individual Names on File
Last Sale	$544,000 (Jan 2019)
Tax Bill	$6,397 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Jan 2019 Sale & Mortgage
APN	`04699-0058`

Property Details

APN / Parcel Number

Primary APN	`04699-0058`
Alternative APNs	`1503046990058` `3-04699-0058`

Interior

Units	2 Units
Stories	2 Stories
Building Area	1,512 sqft Living Area
1st Floor Area	736 sqft

Exterior

Year Built	Built 1901
Effective Year Built	Effective 1901
Architectural Style	Duplex Single
Lot Area	4,000 sqft (0.092 acres)
Lot Dimensions	100 ft deep x 40 ft wide

Location & Zoning

Account Number	3-04699-0058
Street Address	421 E 51ST ST
City	BROOKLYN
State	NY
Zip	11203-4401
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R5
Legal Subdivision	RUGBY
Legal Block	4699
Legal Lot Number	58
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3001
Census Tract	86200

Owner

Source: New York City assessment roll, 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 Record	2 Individual Names on File
Mailing Address	421 E 51ST ST, BROOKLYN, NY 11203-4401
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Date	Document
Mar 15, 2021	Intrafamily Transfer, Transfer UNITED NORTHERN MORTGAGE BANKERS LT
Jan 2, 2019	Grant Deed, Transfer · FHA Mortgage PARKSIDE LNDG

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 2, 2019 · Amount on Record
Deed Sale	Jan 2, 2019 · Amount on Record
Prior Sale	Feb 1, 1999 · Amount on Record
Deed Document Number	2019309
Last Transfer Date	Jan 14, 2021
Transfer Doc	0000095389
Record Updated	Jun 8, 2026

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Mar 15, 2021
Property Address	421 E 51ST ST, BROOKLYN, NY 11203-4401
Document Number	0000095389
Instrument Date	Jan 14, 2021
Instrument	2021000095389
Transaction Type	Transfer
Record Updated	Jan 4, 2024

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	421 E 51ST ST, BROOKLYN, NY 11203-4401

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 E 51ST ST, BROOKLYN, NY 11203-4401

Mortgage

Document Number	0000095390
Date	Mar 15, 2021
Instrument	2021000095390

Lender

Name	UNITED NORTHERN MORTGAGE BANKERS LT
Type	Mortgage Company

Agreement

Amount	Amount Recorded

January 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Jan 2, 2019
Property Address	421 E 51ST ST, BROOKLYN, NY 11203-4401
Document Number	0000000309
Instrument Date	Dec 20, 2018
Instrument	309
Transaction Type	Transfer
Record Updated	Jan 14, 2019
Title Company	JUDICIAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$2,176.00
Amount Accuracy	Confirmed
Additional	Lis Pendens Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	421 E 51ST ST BROOKLYN NY 112034401, BROOKLYN, NY 11203-4401

Mortgage

Document Number	310
Date	Jan 2, 2019
Instrument	310

Lender

Name	PARKSIDE LNDG
Address	SAN FRANCISCO, CA 94102

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2049

Tax Assessment & Valuation

Source: New York City assessment roll, as of May 4, 2026

Property Jurisdictions

Type	Name
State	New York
County	Kings County
Municipality	New York City
Unified School District	New York City Department Of Education (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$54,660 (+8.71%) Land $20,820 Building $33,840	$911,000 (+8.71%) Land $347,000 Building $564,000
2025	$6,397.00 (+6.85%)
2023	$5,987.00	$50,280 Land $20,820 Building $29,460	$838,000 Land $347,000 Building $491,000

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 Zone	Not 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 Risk	Not rated no burnable land within ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	NEW YORK CITY SYSTEM serves 8,271,000 people · EPA ID NY7003493
Water Source	Surface water
Last State Inspection	Dec 2025
Lead	10 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Uncovered finished water reservoir currently in violation since Feb 2017
Monitoring and Reporting	None 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 1,716 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Starry.

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