21 Marconi Pl, Brooklyn, NY 11233 Property Records

New York City property record for 21 Marconi Pl, Brooklyn, NY 11233 · Last verified May 2026

Property Summary

Property Type	Duplex
Details	1,530 sqft · built 1901
Lot Size	0.038 acres (1,639 sqft)
Owner	2 Individual Names on File
Last Sale	$137,000 (Apr 2015)
Tax Bill	$2,374 (2025)
Deeds & Mortgages	Sep 2019 Transfer
APN	`01566-0008`

Property Details

APN / Parcel Number

Primary APN	`01566-0008`
Alternative APNs	`0603015660008` `3-01566-0008`

Interior

Units	2 Units
Stories	2 Stories
Building Area	1,530 sqft Living Area
1st Floor Area	776 sqft

Exterior

Year Built	Built 1901
Effective Year Built	Effective 1901
Architectural Style	Duplex Single
Lot Area	1,639 sqft (0.038 acres)
Lot Dimensions	95 ft deep x 17.3 ft wide

Location & Zoning

Account Number	3-01566-0008
Street Address	21 MARCONI PL
City	BROOKLYN
State	NY
Zip	11233-3222
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Block	1566
Legal Lot Number	8
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	1
Census Block	1001
Census Tract	30100

Owner

Source: New York City records · APN 01566-0008

Assessment roll updated May 4, 2026 · Last verified May 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	574 KELLER AVE, ELMONT, NY 11003-3735
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 23, 2015 · Amount on Record
Deed Sale	Apr 23, 2015 · Amount on Record
Prior Sale	Jun 26, 2003 · Amount on Record
Deed Document Number	2015135746
Last Transfer Date	Sep 16, 2019
Transfer Doc	0000298227
Record Updated	Jun 08, 2026

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Sep 16, 2019
Property Address	21 MARCONI PL, BROOKLYN, NY 11233-3222
Document Number	0000298227
Instrument Date	Sep 16, 2019
Instrument	298227
Transaction Type	Transfer
Record Updated	Sep 26, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	574 KELLER AVE ELMONT NY 110033735, ELMONT, NY 11003-3735

Tax Assessment & Valuation

Source: New York City records · Assessment roll updated May 4, 2026 · Last verified May 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$53,040 (+18.34%) Land $17,820 Building $35,220	$884,000 (+18.34%) Land $297,000 Building $587,000
2025	$2,374.00 (+5.79%)
2023	$2,244.00	$44,820 Land $17,820 Building $27,000	$747,000 Land $297,000 Building $450,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	FEMA flood map data for this location is not available in our records

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.