644 71st St, Brooklyn, NY 11209 Property Records

New York City property record for 644 71st St, Brooklyn, NY 11209

Property Summary

Property Type	Duplex
Details	2,120 sqft · built 1925
Lot Size	0.059 acres (2,550 sqft)
Owner	Company Name on File
Last Sale	$1,450,000 (Nov 2021)
Tax Bill	$11,478 (2025)
Deeds & Mortgages	Apr 2026 Sale Nov 2021 Sale & Mortgage
APN	`05899-0026`

Property Details

APN / Parcel Number

Primary APN	`05899-0026`
Alternative APNs	`1803058990026` `3-05899-0026`

Interior

Units	2 Units
Stories	2 Stories
Building Area	2,120 sqft Living Area
1st Floor Area	1,120 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1925
Architectural Style	Duplex Single
Construction Type	Brick
Lot Area	2,550 sqft (0.059 acres)
Lot Dimensions	100 ft deep x 25.5 ft wide

Location & Zoning

Account Number	3-05899-0026
Street Address	644 71ST ST
City	BROOKLYN
State	NY
Zip	11209-1618
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R4-1
Legal Block	5899
Legal Lot Number	26
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	1
Census Block	1009
Census Tract	13400

Owner

644 71st St, a duplex, is owned by a company that bought it in November 2021.

Source: New York City records, as of July 14, 2026

Owner of Record	Company Name on File
Mailing Address	270 E SADDLE RIVER RD, SADDLE ROCK, NY 11023
Owner Type	Company
Vesting	Limited Liability Company

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

Date	Document
Apr 8, 2026	Deed, Transfer
Nov 26, 2021	Deed, Transfer JPMORGAN CHASE BANK, N.A.

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 26, 2021 · Amount on File
Deed Sale	Nov 26, 2021 · Amount on File
Record Updated	Sep 20, 2026

April 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Apr 8, 2026
Property Address	644 71ST ST, BROOKLYN, NY 11209-1618
Document Number	0000098633
Instrument Date	Feb 2, 2026
Instrument	202698633
Transaction Type	Transfer
Record Updated	Jul 14, 2026

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

November 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Nov 26, 2021
Property Address	644 71ST ST, BROOKLYN, NY 11209-1618
Document Number	0000466380
Instrument Date	Nov 9, 2021
Instrument	2021000466380
Transaction Type	Transfer
Record Updated	Dec 7, 2021

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	335 85TH ST, 335, BROOKLYN, NY 11209-4603

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	60 PINEHILL DR, UPPER SADDLE RIVER, NJ 07458-1926

Mortgage

Document Number	0000466382
Date	Nov 26, 2021
Instrument	2021000466382

Lender

Name	JPMORGAN CHASE BANK, N.A.

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 644 71st St was $11,478, up 4.9% from the year before.

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		$84,720 (-5.61%) Land $17,040 Building $67,680	$1,412,000 (-5.61%) Land $284,000 Building $1,128,000
2025	$11,478.00 (+4.95%)	$89,760 Land $17,040 Building $72,720	$1,496,000 Land $284,000 Building $1,212,000
2024	$10,937.00 (+4.89%)
2023	$10,427.00 Homeowner's exemption Veteran's exemption	$85,260 Land $17,040 Building $68,220	$1,421,000 Land $284,000 Building $1,137,000

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 644 71st St; 2 flood insurance policies are in force nearby.

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

FEMA Flood Zone	Not on file
Nearby Flood Policies	2 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

The area around 644 71st St 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 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 1,294 locations within half a mile, as of December 31, 2025

Provider	Max 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.

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