186 Adelphi St, Brooklyn, NY 11205 Property Records

New York City property record for 186 Adelphi St, Brooklyn, NY 11205

Property Summary

Property Type	Duplex
Details	3,760 sqft · built 1901
Lot Size	0.038 acres (1,633 sqft)
Owner	2 Company Names on File
Tax Bill	$16,578 (2025)
Deeds & Mortgages	Oct 2025 Sale
APN	`02073-0048`

Property Details

APN / Parcel Number

Primary APN	`02073-0048`
Alternative APNs	`0705020730048` `3-02073-0048`

Interior

Units	2 Units
Stories	3 Stories
Building Area	3,760 sqft Living Area
1st Floor Area	735 sqft

Exterior

Year Built	Built 1901
Effective Year Built	Effective 2015
Architectural Style	Duplex Single
Lot Area	1,633 sqft (0.038 acres)
Lot Dimensions	100 ft deep x 16.3 ft wide

Location & Zoning

Account Number	3-02073-0048
Street Address	186 ADELPHI ST
City	BROOKLYN
State	NY
Zip	11205-3302
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R6B
Legal Block	2073
Legal Lot Number	48
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3000
Census Tract	18300

Owner

Source: New York City records · APN 02073-0048

Assessment roll updated May 4, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	186 ADELPHI ST, BROOKLYN, NY 11205-3302
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 28, 2025
Deed Sale	Oct 28, 2025
Prior Sale	Aug 03, 2004 · Amount on Record
Prior Transfer Date	Oct 18, 2024
Prior Transfer Doc	0000293184
Record Updated	Sep 20, 2026

October 2025: Deed, Transfer

Document Type	Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Oct 28, 2025
Property Address	186 ADELPHI ST, BROOKLYN, NY 11205-3302
Document Number	0000293184
Instrument Date	Oct 18, 2024
Instrument	2025000293184
Transaction Type	Transfer
Record Updated	Nov 04, 2025

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	186 ADELPHI ST, BROOKLYN, NY 11205-3302

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	186 ADELPHI ST, BROOKLYN, NY 11205-3302

Tax Assessment & Valuation

Source: New York City records · Assessment roll updated May 4, 2026 · Last verified July 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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$396,240 (+380.06%) Land $98,460 Building $297,780	$6,604,000 (+29.24%) Land $1,641,000 Building $4,963,000
2025	$16,578.00 (+3.48%)	$82,540 (-63.58%) Land $26,506 Building $56,034	$5,110,000 (+35.29%) Land $1,641,000 Building $3,469,000
2023	$16,020.00	$226,620 Land $98,460 Building $128,160	$3,777,000 Land $1,641,000 Building $2,136,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · USDA Forest Service Wildfire Risk to Communities as of 2024 · 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.

Historic Designation

Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026

Historic District	Within the Fort Greene Historic District (Boundary Increase) listed 1984 · 379 contributing resources · NRIS 84002451

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

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 788 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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.