721 E 31st St, Brooklyn, NY 11210 Property Records

New York City property record for 721 E 31st St, Brooklyn, NY 11210

Property Summary

Property Type	Duplex
Details	2,040 sqft · built 1910
Lot Size	0.046 acres (2,000 sqft)
Owner	2 Individual Names on File
Last Sale	$400,000 (Nov 2004)
Tax Bill	$7,072 (2025)
Deeds & Mortgages	Mar 2020 Mortgage
APN	`07559-0037`

Property Details

APN / Parcel Number

Primary APN	`07559-0037`
Alternative APNs	`2301075590037` `3-07559-0037`

Interior

Units	2 Units
Stories	2 Stories
Building Area	2,040 sqft Living Area
1st Floor Area	1,008 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Architectural Style	Duplex Single
Construction Type	Frame
Lot Area	2,000 sqft (0.046 acres)
Lot Dimensions	100 ft deep x 20 ft wide

Location & Zoning

Account Number	3-07559-0037
Street Address	721 E 31ST ST
City	BROOKLYN
State	NY
Zip	11210-3163
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R6A
Legal Block	7559
Legal Lot Number	37
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	2
Census Block	2000
Census Tract	78601

Owner

Source: New York City records · APN 07559-0037

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	721 E 31ST ST, BROOKLYN, NY 11210-3163
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 24, 2004 · Amount on Record
Deed Sale	Nov 24, 2004 · Amount on Record
Deed Document Number	2004727093
Last Transfer Date	Mar 06, 2020
Transfer Doc	0000104847
Record Updated	Jun 08, 2026

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Mar 23, 2020
Property Address	721 E 31ST ST, BROOKLYN, NY 11210-3163
Document Number	0000104847
Instrument Date	Mar 06, 2020
Instrument	104847
Transaction Type	Transfer
Record Updated	May 18, 2020
Title Company	RAM ABSTRACT LIMITED, RAM ABSTRACT LTD

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	721 E 31ST ST BROOKLYN NY 112103163, BROOKLYN, NY 11210-3163

Mortgage

Document Number	104848
Date	Mar 23, 2020
Instrument	104848

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Mar 22, 2050

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		$58,920 (+8.87%) Land $20,760 Building $38,160	$982,000 (+8.87%) Land $346,000 Building $636,000
2025	$7,072.00 (+9.9%)
2023	$6,435.00	$54,120 Land $20,760 Building $33,360	$902,000 Land $346,000 Building $556,000

Flood & Wildfire

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

Flood

FEMA Flood Zone	Not on file

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: Starry, T-Mobile USA.

Based on FCC filings for 1,440 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system NY7003493, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	NEW YORK CITY SYSTEM serves 8,271,000 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.