3831 Flatlands Ave, Brooklyn, NY 11234 Property Records

New York City property record for 3831 Flatlands Ave, Brooklyn, NY 11234

Property Summary

Property Type	Duplex
Details	2,000 sqft · built 1920
Lot Size	0.087 acres (3,772 sqft)
Owner	Individual Name on Record
Last Sale	$165,000 (Sep 1995)
Tax Bill	$6,992 (2025)
Deeds & Mortgages	Feb 2018 Line of Credit
APN	`07817-0012`

Property Details

APN / Parcel Number

Primary APN	`07817-0012`
Alternative APNs	`2308078170012` `3-07817-0012`

Interior

Units	2 Units
Stories	2 Stories
Building Area	2,000 sqft Living Area
1st Floor Area	700 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Duplex Single
Construction Type	Frame
Lot Area	3,772 sqft (0.087 acres)
Lot Dimensions	100 ft deep x 37.5 ft wide

Location & Zoning

Account Number	3-07817-0012
Street Address	3831 FLATLANDS AVE
City	BROOKLYN
State	NY
Zip	11234-3510
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R5
Legal Block	7817
Legal Lot Number	12
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3000
Census Tract	73800

Owner

Source: New York City records, 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	Individual Name on Record
Mailing Address	3831 FLATLANDS AVE, BROOKLYN, NY 11234-3510
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 19, 1995 · Amount on Record
Deed Sale	Sep 19, 1995 · Amount on Record
Deed Book / Page	3579 / 1721
Record Updated	Jun 8, 2026

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	3831 FLATLANDS AVE, BROOKLYN, NY 11234-3510
Document Number	0000094135
Instrument Date	Feb 23, 2018
Transaction Type	Mortgage
Record Updated	Apr 4, 2018
Title Company	LANDSTAR TITLE AGENCY INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3831 FLATLANDS AVE BROOKLYN NY 112343510, BROOKLYN, NY 11234-3510

Mortgage

Document Number	0000094135
Date	Mar 19, 2018
Instrument	94135

Lender

Name	MUNICIPAL CU
Type	Credit Union
Address	NEW YORK, NY 10007

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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		$53,940 (-10.46%) Land $20,280 Building $33,660	$899,000 (-10.46%) Land $338,000 Building $561,000
2025	$6,992.00 (+6%)
2023	$6,596.00	$60,240 Land $20,280 Building $39,960	$1,004,000 Land $338,000 Building $666,000

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 1,740 locations within half a mile, as of December 31, 2025

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

May also be available: Starry.

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