51 Underhill Ave, Brooklyn, NY 11238 Property Records

New York City property record for 51 Underhill Ave, Brooklyn, NY 11238

Property Summary

Property Type	Single Family Home
Details	2,166 sqft · built 1920
Lot Size	0.051 acres (2,200 sqft)
Owner	2 Company Names on File
Tax Bill	$4,615 (2025)
Deeds & Mortgages	Feb 2026 Sale
APN	`01139-0008`

Property Details

APN / Parcel Number

Primary APN	`01139-0008`
Alternative APNs	`0407011390008` `3-01139-0008`

Interior

Stories	2 Stories
Building Area	2,166 sqft Living Area
1st Floor Area	575 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Lot Area	2,200 sqft (0.051 acres)
Lot Dimensions	94.8 ft deep x 25 ft wide

Location & Zoning

Account Number	3-01139-0008
Street Address	51 UNDERHILL AVE
City	BROOKLYN
State	NY
Zip	11238-3507
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6B
Legal Block	1139
Legal Lot Number	8
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	1
Census Block	1005
Census Tract	20300

Owner

Source: New York City records · APN 01139-0008

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	51 UNDERHILL AVE, BROOKLYN, NY 11238-3507
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	Feb 02, 2026
Deed Sale	Feb 02, 2026
Prior Transfer Date	Jan 07, 2026
Prior Transfer Doc	0000032567
Record Updated	Sep 20, 2026

February 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Feb 02, 2026
Property Address	51 UNDERHILL AVE, BROOKLYN, NY 11238-3507
Document Number	0000032567
Instrument Date	Jan 07, 2026
Instrument	2026000032567
Transaction Type	Transfer
Record Updated	Feb 10, 2026

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	51 UNDERHILL AVE, BROOKLYN, NY 11238-3507

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	51 UNDERHILL AVE, BROOKLYN, NY 11238-3507

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		$156,960 (+543.28%) Land $21,780 Building $135,180	$2,616,000 (+13.49%) Land $363,000 Building $2,253,000
2025	$4,615.00 (+0.74%)	$24,400 (-84.1%) Land $3,843 Building $20,557	$2,305,000 (-9.89%) Land $363,000 Building $1,942,000
2023	$4,581.00	$153,480 Land $21,780 Building $131,700	$2,558,000 Land $363,000 Building $2,195,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Not on file
Nearby Flood Policies	3 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
Optimum Communications Cable · Fiber in parts of the area	940 / 35
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Radiate Holdings, Spectrum, Starry, Xchange Telecom.

Based on FCC filings for 1,403 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.