402 Adelphi St, Brooklyn, NY 11238 Property Records

New York City property record for 402 Adelphi St, Brooklyn, NY 11238

Property Summary

Property Type	Duplex
Details	2,196 sqft · built 1901
Lot Size	0.043 acres (1,850 sqft)
Owner	2 Individual Names on File
Last Sale	$1,800,000 (Aug 2013)
Tax Bill	$6,994 (2025)
Deeds & Mortgages	Aug 2021 Mortgage
APN	`01957-0040`

Property Details

APN / Parcel Number

Primary APN	`01957-0040`
Alternative APNs	`0703019570040` `3-01957-0040`

Interior

Units	2 Units
Stories	3 Stories
Building Area	2,196 sqft Living Area
1st Floor Area	833 sqft

Exterior

Year Built	Built 1901
Effective Year Built	Effective 1901
Architectural Style	Duplex Single
Lot Area	1,850 sqft (0.043 acres)
Lot Dimensions	100 ft deep x 18.5 ft wide

Location & Zoning

Account Number	3-01957-0040
Street Address	402 ADELPHI ST
City	BROOKLYN
State	NY
Zip	11238-1508
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R6B
Legal Block	1957
Legal Lot Number	40
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3001
Census Tract	17900

Owner

Source: New York City records · APN 01957-0040

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	307 E 10TH ST, 5, NEW YORK, NY 10009-5013
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 21, 2013 · Amount on Record
Deed Sale	Aug 21, 2013 · Amount on Record
Prior Sale	Sep 28, 2012 · Amount on Record
Deed Document Number	2013331353
Record Updated	Jun 08, 2026

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	402 ADELPHI ST, BROOKLYN, NY 11238-1508
Transaction Type	Mortgage
Record Updated	Aug 19, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000298251
Date	Aug 02, 2021
Instrument	2021000298251

Lender

Name	JPMORGAN CHASE BANK, N.A.
Address	1111 POLARIS PKWY, COLUMBUS, OH 43240

Agreement

Amount	Amount Recorded

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		$189,900 (+21.54%) Land $29,100 Building $160,800	$3,165,000 (+21.54%) Land $485,000 Building $2,680,000
2025	$6,994.00 (+1.13%)
2023	$6,916.00	$156,240 Land $29,100 Building $127,140	$2,604,000 Land $485,000 Building $2,119,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 360470179003, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Not on file
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

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

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 USA Fixed Wireless	100 / 20

May also be available: Optimum Communications, Starry, Xchange Telecom.

Based on FCC filings for 1,496 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.