# 604 Union Avenue, Bronx, NY 10455

BBL 2026740032 · Block 2674 · Lot 32 · BIN 2004902  
Canonical page: https://nycpropertyfacts.com/ny/bronx/604-union-avenue-2026740032  
Last updated: 2026-11-05 · Open-item counts as of 2026-11-06

## Summary

604 Union Avenue (Bronx, NY 10455; tax lot BBL 2026740032) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1907, on a 2,700 sq ft lot zoned R7-1. City tax records list the owner as SZE, VIVIAN CHING-KAY; per ACRIS, a deed to this owner dated April 4, 2014 lists a price of $420,000. The Department of Finance's final market value for tax year 2027 is $893,000. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows one DOB job with a permit issued but no sign-off, one active ECB violation, two open HPD violations and one OATH ticket with an unpaid balance. There was one 311 request in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “604 Union Avenue, Bronx, NY 10455 (BBL 2026740032)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/bronx/604-union-avenue-2026740032. Source: NYC Open Data.

## Neighborhood

Melrose: https://nycpropertyfacts.com/ny/bronx/10455

- Open HPD violations: https://nycpropertyfacts.com/ny/bronx/10455/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/bronx/10455/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/bronx/10455/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/bronx/10455/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/bronx/10455/unpaid-oath-tickets

## ZIP

Bronx 10455: https://nycpropertyfacts.com/ny/bronx/10455

## Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

- 606 Union Avenue (24 ft): https://nycpropertyfacts.com/ny/bronx/606-union-avenue-2026740033
- 608 Union Avenue (40 ft): https://nycpropertyfacts.com/ny/bronx/608-union-avenue-2026740034
- 610 Union Avenue (58 ft): https://nycpropertyfacts.com/ny/bronx/610-union-avenue-2026740035
- 592 Union Avenue (65 ft): https://nycpropertyfacts.com/ny/bronx/592-union-avenue-2026740027
- 612 Union Avenue (76 ft): https://nycpropertyfacts.com/ny/bronx/612-union-avenue-2026740084
- 584 Union Avenue (191 ft): https://nycpropertyfacts.com/ny/bronx/584-union-avenue-2026740021
- 601 Prospect Avenue (99 ft): https://nycpropertyfacts.com/ny/bronx/601-prospect-avenue-2026740039
- 599 Prospect Avenue (102 ft): https://nycpropertyfacts.com/ny/bronx/599-prospect-avenue-2026740040

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 1 |
| Active DOB violations | 0 |
| Active ECB violations | 1 |
| Open HPD violations | 2 |
| OATH tickets with unpaid balance | 1 |

## Lot & building

- Owner of record: SZE, VIVIAN CHING-KAY
- Building class: C3 – Walk-up apartments, four families
- Year built: 1907
- Floors: 4
- Units: 4 residential / 4 total
- Lot area: 2,700 sq ft · Building area: 4,590 sq ft
- Zoning: R7-1
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-07

## Tax assessment

- Tax year 2027 (final roll): market value $893,000, assessed value $401,850, tax class 2A
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 2014-04-04 | recorded (DEED) | DEED dated 2014-04-04 from MALDONADO, MICHAEL to SZE, CHRISTIE C; SZE, VIVIAN CHING-KAY, stated price $420,000. | bnx9-e6tj |
| 2004-06-25 | recorded (DEED) | DEED dated 2004-06-25 from MALDONADO, DECEASED PRIMITIVA; MALDONADO, MICHAEL to MALDONADO, MICHAEL, no price stated ($0). | bnx9-e6tj |
| 2000-06-15 | recorded (DEED) | DEED dated 2000-06-15 from MALDONADO, PRIMITIVA to MALDONADO, MICHAEL; MALDONADO, PRIMITIVA, no price stated ($0). | bnx9-e6tj |
| 1995-01-24 | recorded (DEED) | DEED dated 1995-01-24 from MALDONADO, PRIMITIVA; MALDONADO, ENRIQUE/ADMN OF ESTATE to MALDONADO, PRIMITIVA, no price stated ($0). | bnx9-e6tj |
| 1971-07-29 | recorded (DEED) | DEED dated 1971-07-29 from SANTIAGO JOSEPHINE to ENRIQUE MALDONADO, no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2014-01-27 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 240047659 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. PROPOSED FACADE REPAIR WORK TO RESOLVE ECB VIOLATIONS# 34812126K &amp; 34856488M AS PER PLANS.NO CHANGE IN USE, EGRESS OR OCCUPANCY. NO SIDEWALK SHED NECESSARY SINCE THE PROPOSED WORK IS IN THE REAR … | ic3t-wcy2 |
| 2014-01-28 | n/a (ISSUED (initial)) | BIS work permit for job 240047659: Alteration / Other / general construction. Issued 2014-01-28, expires 2014-04-10. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

| Date | Status | Description | Source |
|---|---|---|---|
| 2022-05-26 | open (violation status ACTIVE; hearing status IN VIOLATION; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, 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 .. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: found in violation. Certification of correction: no compliance recorded. | 6bgk-3dad |
| 2014-04-09 | open (Nov Certified Late) | HPD class B violation (Class B) in apt 3: § 27-2005 ADM CODE 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. Open — not recorded as corrected. | wvxf-dwi5 |
| 2014-04-09 | open (Nov Certified Late) | HPD class C violation (Class C) in apt 3: § 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF RODENTS RATS IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH. Open — not recorded as corrected. | wvxf-dwi5 |

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-07-19 | open (DEFAULTED · DEFAULTED) | OATH ticket from Police Department: OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS. Unpaid balance $25. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-10-20 | pending (NEW ISSUANCE) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST. Hearing pending. | jz4z-kudi |
| 2026-07-19 | pending (NEW ISSUANCE) | OATH ticket from Police Department: OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS. Hearing pending. | jz4z-kudi |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-07-13 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as SZE, VIVIAN CHING-KAY. | 64uk-42ks |
| 2014-04-04 | recorded | Grantee (buyer) on the most recent deed (DEED, 2014-04-04). | 636b-3b5g |
| 2014-04-04 | recorded | Grantee (buyer) on the most recent deed (DEED, 2014-04-04). | 636b-3b5g |
| 2026-09-01 | current_registration | HPD registration contact: IndividualOwner Vivian Sze, business city Bayside. | feu5-w2e2 |
| 2026-09-01 | current_registration | HPD registration contact: SiteManager Harrison Li. | feu5-w2e2 |
| 2026-09-01 | current_registration | HPD registration contact: Agent Biy Sze, business city Bayside. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/2026740032