529 Underhill Ave, Bronx, NY 10473 Property Records

New York City property record for 529 Underhill Ave, Bronx, NY 10473

Property Summary

Property Type	Quadplex
Details	2,100 sqft · built 1921
Lot Size	0.115 acres (5,000 sqft)
Owner	Company Name on File
Tax Bill	$15,843 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Dec 2018 Loan Modification + 2 more
APN	`03525-0066`

Property Details

APN / Parcel Number

Primary APN	`03525-0066`
Alternative APNs	`1404035250066` `2-03525-0066`

Interior

Units	4 Units
Stories	2 Stories
Building Area	2,100 sqft Living Area
1st Floor Area	1,050 sqft

Exterior

Year Built	Built 1921
Effective Year Built	Effective 1921
Architectural Style	Quadruplex
Lot Area	5,000 sqft (0.115 acres)
Lot Dimensions	100 ft deep x 50 ft wide

Location & Zoning

Account Number	2-03525-0066
Street Address	529 UNDERHILL AVE
City	BRONX
State	NY
Zip	10473-2923
Property Category	Residential
Property Type	Residential > Multi-Unit > Quadplex
Local Zoning Code	R5
Legal Subdivision	HUDSON P ROSE COMPANY
Legal Block	3525
Legal Lot Number	66
Jurisdiction	BRONX NY
Township / Civil Division	BRONX
Census Block Group	2
Census Block	2001
Census Tract	1600

Owner

529 Underhill Ave, a quadplex, is owned by a company that acquired it in June 2025.

Source: New York City records, as of July 6, 2026

Owner of Record	Company Name on File
Mailing Address	1276 47TH ST, BROOKLYN, NY 11219-2563
Owner Type	Company
Vesting	Government

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 1, 2021	Deed of Trust, Mortgage QUONTIC BANK
Dec 28, 2018	Loan Modification, Mortgage QUONTIC BK
Apr 25, 2017	Loan Modification, Consolidation and Extension, Mortgage SHARESTATES INV #BC2017-001009
May 9, 2017	Grant Deed, Transfer · Line of Credit SHARESTATES INV #BC2017-001009

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 23, 2025
Deed Sale	Jun 23, 2025
Prior Sale	May 9, 2017 · Amount on File
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BRONX NY
Property Address	529 UNDERHILL AVE, BRONX, NY 10473-2923
Transaction Type	Mortgage
Record Updated	Aug 19, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000038947
Date	Feb 1, 2021
Instrument	2021000038947

Lender

Name	QUONTIC BANK
Address	1 ROCKEFELLER PLZ, NEW YORK, NY 10020

Agreement

Amount	Amount on Record

December 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	BRONX NY
Property Address	529 UNDERHILL AVE, BRONX, NY 10473-2923
Document Number	0000133498
Instrument Date	Dec 28, 2018
Transaction Type	Mortgage
Record Updated	Feb 11, 2021
Title Company	TRIUMPH LAND ABSTRACT LLC

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	529 UNDERHILL AVE BRONX NY 104732923, BRONX, NY 10473-2923

Mortgage

Document Number	0000133498
Date	Apr 26, 2019
Instrument	133498

Lender

Name	QUONTIC BK
Type	Bank
Address	3105 BROADWAY, ASTORIA, NY 11106-2648

Agreement

Amount	Amount on Record

Interest

Rate Type	Fixed Rate
Rate	6.25%

April 2017: Loan Modification, Consolidation and Extension, Mortgage

Document Type	Loan Modification, Consolidation and Extension
Jurisdiction	BRONX NY
Property Address	529 UNDERHILL AVE, BRONX, NY 10473-2923
Document Number	0000176156
Instrument Date	Apr 25, 2017
Transaction Type	Mortgage
Record Updated	Jan 14, 2020
Title Company	ATLANTIS NATIONAL SERVICES, ATLANTIS NAT'L SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	20 W 47TH ST #720 NEW YORK NY 100363760, 720, NEW YORK, NY 10036-3760

Mortgage

Document Number	0000176156
Date	May 9, 2017
Instrument	176156

Lender

Name	SHARESTATES INV #BC2017-001009
Address	GREAT NECK, NY 11021

Agreement

Amount	Amount on Record
Term	12 Months
Due	May 8, 2018

Interest

Rate Type	Fixed Rate
Rate	9.5%

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BRONX NY
Recording Date	May 9, 2017
Property Address	529 UNDERHILL AVE, BRONX, NY 10473-2923
Document Number	0000176153
Instrument Date	Apr 25, 2017
Instrument	176153
Transaction Type	Transfer
Record Updated	Jan 9, 2019
Title Company	ATLANTIS NATIONAL SERVICES, ATLANTIS NAT'L SVCS

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,900.00
Amount Accuracy	Confirmed
Additional	Lis Pendens Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	18 E 48TH ST #7TH NEW YORK NY 100171014, 7TH, NEW YORK, NY 10017-1014

Mortgage

Document Number	176155
Date	May 9, 2017
Instrument	176155

Lender

Name	SHARESTATES INV #BC2017-001009
Address	GREAT NECK, NY 11021

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 529 Underhill Ave was $15,843.

Source: New York City assessment roll, as of April 29, 2026

Property Jurisdictions

Type	Name
State	New York
County	Bronx 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		$134,550 Land $34,861 Building $99,689	$440,000 Land $114,000 Building $326,000
2025	$15,843.00
2023	$13,974.00	$111,780 Land $49,972 Building $61,808	$255,000 Land $114,000 Building $141,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA has no flood map on file for 529 Underhill Ave; there have been 1 flood claim nearby since 1990.

Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Not on file
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (1990)
Most Recent Claim	May 1990 · other causes

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.

Wildfire

The area around 529 Underhill Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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 1,177 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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