420 E 21st St, #32, Brooklyn, NY 11226 Property Records

New York City property record for 420 E 21st St, #32, Brooklyn, NY 11226

Property Summary

Property Type	Multi-Family Dwellings
Details	26,010 sqft · built 1924
Lot Size	0.251 acres (10,950 sqft)
Owner	Company Name on Record
Last Sale	$2,900,000 (Mar 2010)
Tax Bill	$134,493 (2025)
Deeds & Mortgages	Aug 2019 Mortgage Jul 2019 Loan Modification
APN	`05151-0021`

Property Details

APN / Parcel Number

Primary APN	`05151-0021`
Alternative APNs	`1603051510021` `3-05151-0021`

Interior

Units	32 Units
Stories	4 Stories
Building Area	26,010 sqft Living Area
1st Floor Area	7,239 sqft

Exterior

Year Built	Built 1924
Effective Year Built	Effective 1924
Architectural Style	Multi-Family
Lot Area	10,950 sqft (0.251 acres)
Lot Dimensions	108 ft deep x 89 ft wide
View / Lot	Corner

Location & Zoning

Account Number	3-05151-0021
Street Address	420 E 21ST ST, 32
City	BROOKLYN
State	NY
Zip	11226-6070
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	R6A
Legal Block	5151
Legal Lot Number	21
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	4
Census Block	4001
Census Tract	51400

Owner

Source: New York City records, as of August 31, 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 Record	Company Name on Record
Mailing Address	57 5TH AVE, BROOKLYN, NY 11217-2685
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Aug 5, 2019	Deed of Trust, Mortgage NORTHFIELD SAVINGS BANK
Jul 30, 2019	Loan Modification, Mortgage NORTHFIELD BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 29, 2010 · Amount on Record
Deed Sale	Mar 29, 2010 · Amount on Record
Prior Sale	Sep 27, 2006 · Amount on Record
Deed Document Number	2010103634
Prior Transfer Date	Feb 24, 1995
Prior Transfer Doc	4515002216
Record Updated	Oct 29, 2026

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	420 E 21ST ST # 32, 32, BROOKLYN, NY 11226-6070
Transaction Type	Mortgage
Record Updated	Oct 24, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	57 5TH AVE, BROOKLYN, NY 11217-2685

Mortgage

Document Number	0000247428
Date	Aug 5, 2019
Instrument	2019000247428

Lender

Name	NORTHFIELD SAVINGS BANK
Type	Bank
Address	581 MAIN STREET SUITE 810 810, WOODRIDGE, NY

Agreement

Amount	Amount Recorded

July 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	420 E 21ST ST # 32, 32, BROOKLYN, NY 11226-6070
Document Number	0000247429
Instrument Date	Jul 30, 2019
Transaction Type	Mortgage
Record Updated	Aug 15, 2019
Title Company	RELIABLE ABSTRACT CORPORATION, RELIABLE ABSTRACT CORP.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	57 5TH AVE BROOKLYN NY 112172685, BROOKLYN, NY 11217-2685

Mortgage

Document Number	0000247429
Date	Aug 5, 2019
Instrument	247429

Lender

Name	NORTHFIELD BK
Type	Bank
Address	581 MAIN ST # 810, WOODBRIDGE, NJ 07095-1144

Agreement

Amount	Amount Recorded

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		$1,127,700 (-12.56%) Land $320,400 Building $807,300	$2,506,000 (-12.56%) Land $712,000 Building $1,794,000
2025	$134,493.00 (+3.86%)
2023	$129,493.00	$1,289,700 Land $320,400 Building $969,300	$2,866,000 Land $712,000 Building $2,154,000

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

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 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 774 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless	2,300 / 2,300
Optimum Cable · Fiber in parts of the area	940 / 35
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, Skywire Networks, Starry.

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