# 4263 Byron Avenue, Bronx, NY 10466

BBL 2049990079 · Block 4999 · Lot 79 · BIN 2122868, 2068246  
Canonical page: https://nycpropertyfacts.com/ny/bronx/4263-byron-avenue-2049990079  
Last updated: 2026-11-05 · Open-item counts as of 2026-11-06

## Summary

4263 Byron Avenue (Bronx, NY 10466; tax lot BBL 2049990079) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1929, on a 2,500 sq ft lot zoned R5. City tax records list the owner as MONTRONE, ANNA. The Department of Finance's final market value for tax year 2027 is $647,000. As of November 6, 2026, NYC Open Data shows four active DOB violations and one OATH ticket with an unpaid balance. There were four 311 requests 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, “4263 Byron Avenue, Bronx, NY 10466 (BBL 2049990079)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/bronx/4263-byron-avenue-2049990079. Source: NYC Open Data.

## Neighborhood

Wakefield-Woodlawn: https://nycpropertyfacts.com/ny/bronx/neighborhoods/wakefield-woodlawn

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

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 4 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 1 |

## Lot & building

- Owner of record: MONTRONE, ANNA
- Building class: C3 – Walk-up apartments, four families
- Year built: 1929
- Floors: 2.75
- Units: 4 residential / 4 total
- Lot area: 2,500 sq ft · Building area: 2,100 sq ft
- Zoning: R5
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-06

## Tax assessment

- Tax year 2027 (final roll): market value $647,000, assessed value $291,150, 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 |
|---|---|---|---|
| 2011-04-04 | recorded (DEED) | DEED dated 2011-04-04 from MONTRONE, PASQUALE to MONTRONE, ANNA; MONTRONE, PASQUALE, no price stated ($0). | bnx9-e6tj |
| 1969-04-14 | recorded (DEED) | DEED dated 1969-04-14 from ESPOSITO ROSE L to PASQUALE MONTRONE, 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).

No records found.

## 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 |
|---|---|---|---|
| 2023-04-25 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2018-04-06 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2015-10-01 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 1993-05-17 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |

## 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 |
|---|---|---|---|
| 2021-07-16 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: LOOSE RUBBISH. Unpaid balance $300. Respondent defaulted (did not appear). | 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 |
|---|---|---|---|
| 2026-10-20 | closed (Closed) | 311 request to NYPD: Blocked Driveway – No Access. | erm2-nwe9 |
| 2026-07-17 | closed (Closed) | 311 request to DSNY: Missed Collection – Bulky Trash. | erm2-nwe9 |
| 2026-06-18 | closed (Closed) | 311 request to DSNY: Dirty Condition – Trash. | erm2-nwe9 |
| 2025-11-06 | closed (Closed) | 311 request to DSNY: Derelict Vehicles – Derelict Vehicles. | 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 MONTRONE, ANNA. | 64uk-42ks |
| 2011-04-04 | recorded | Grantee (buyer) on the most recent deed (DEED, 2011-04-04). | 636b-3b5g |
| 2011-04-04 | recorded | Grantee (buyer) on the most recent deed (DEED, 2011-04-04). | 636b-3b5g |
| 2026-10-13 | current_registration | HPD registration contact: SiteManager Anna Montrone. | feu5-w2e2 |
| 2026-10-13 | current_registration | HPD registration contact: IndividualOwner Anna Montrone, business city Bronx. | 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/2049990079