604 Union Avenue
Bronx, NY 10455BBL 2-02674-0032Map
Owner of record: Sze, Vivian Ching-Kay
604 Union Avenue is a walk-up apartment building built in 1907 in Bronx, 10455. It has 4 residential units across 4 floors. The owner of record is Sze, Vivian Ching-Kay. HPD has recorded 5 housing violations here, most recently on April 30, 2026. 2 of the 5 most recent violations are still open.
- HPD violations
- 5
- DOB violations
- 1
- ECB violations
- 4
- HPD complaints
- 8
What to know
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 5
- ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 30, 2026
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 5, 2021
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Oct 12, 2018
Closed — Violation dismissed - CImmediately hazardous
Abate the nuisance consisting of rodents rats in the entire apartment located at apt 3, 3rd story, 1st apartment from east at south
Jan 6, 2010 · Apt 3
Open — Nov certified late - BHazardous
Properly repair with similar material the broken or defective wood floor in the 3rd room from east at south located at apt 3, 3rd story, 1st apartment from east at south
Jan 6, 2010 · Apt 3
Open — Nov certified late
DOB building violations · 1
- Low pressure boiler boiler required
Violation issued-failure to file 2022 external low pressure inspection
Apr 25, 2023
Dob violation - dismissed
ECB violations · 4
- Class - 2
As per dob records permit # 240226304ýlaa¨ has not been signed off therefore boiler is unregistered. register boiler and submit a certificate of correction .
May 26, 2022 · Penalty $312
Active - Class - 2
Failure to maintain building walls or appurtenances. noted: at rear of property brick chimney cracked at intersection with east elevation from parapet to 1st fl & is out of plumb approx 2" over 4 stories.
Jun 17, 2010 · Penalty $500
Resolve - Class - 1
Failure tto maintain bldg wall(s) or appurtenances. defect noted: rearchimney is separating from rear wall of bldg, exp 3, chimney shows a vertical crack from 2nd sty parapet wall all the way down to 1st sty
Jan 4, 2010 · Penalty $1,000
Resolve - Hazardous
Occupancy contrary to that allowed by certificate or occupancy #49053 1st story converted from ordinary use to illegal class "a" apartment with partitions erected creating room, bathroom and kitchen.
Feb 21, 2002 · Penalty $800
Resolve
Complaints
- Heating
Heat related
Dec 29, 2011 · Apt 3
Close - Heating
Heat related
Jan 2, 2010 · Apt 3
Close - Paint/plaster
Ceiling
Jan 2, 2010 · Apt 3
Close - Nonconst
Vermin
Jan 2, 2010 · Apt 3
Close - General
Mold
Jan 2, 2010 · Apt 3
Close - General
Mold
Jan 2, 2010 · Apt 3
Close - General
Mold
Jan 2, 2010 · Apt 3
Close - Heating
Heat related
Nov 9, 2004 · Apt 4
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C3)
- Year built
- 1907
- Floors
- 4
- Residential units
- 4
- Building area
- 4,590 ft²
- Lot area
- 2,700 ft²
- Zoning
- R7-1
- Community board
- 201
- Council district
- 8
- Block / lot
- 2674 / 32
- Assessed value
- $401,850
- Landmark / historic district
- No
HPD registration #213403, last renewed Aug 25, 2025.
Questions about 604 Union Avenue
Who owns 604 Union Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Sze, Vivian Ching-Kay.
Does 604 Union Avenue have violations?
Yes. NYC HPD has recorded 5 housing violations at this property.
Is 604 Union Avenue rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 604 Union Avenue built?
City records list 1907 as the year it was built.
How many apartments are in 604 Union Avenue?
It has 4 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.