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4339 Byron Avenue, Bronx, NY 10466

BBL 2050440047 (Borough 2, Block 5044, Lot 47) · BIN 2069830, 2107922 · Last updated: · Wakefield-Woodlawn · ZIP 10466

Summary · as of November 8, 2026

4339 Byron Avenue (Bronx, NY 10466; tax lot BBL 2050440047) is a two-family home (building class B2: two-family home, frame (wood)), built around 1925, on a 3,555 sq ft lot zoned R5. City tax records list the owner as 4339 BLASTOISE LLC; per ACRIS, a deed to this owner dated April 18, 2025 lists a price of $850,000. The Department of Finance's final market value for tax year 2027 is $941,000. As of November 8, 2026, NYC Open Data shows four open HPD violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
4339 BLASTOISE LLC
Building class
B2 · Two-family home, frame
Year built · units
1925 · 2 res.
Lot area · zoning
3,555 sq ft · R5
Market value (DOF)
$941,000 FY2027
Last priced deed
$850,000 · 2025-04-18
BBL
2050440047
BIN
2069830, 2107922

How to cite: NYC Property Facts, “4339 Byron Avenue, Bronx, NY 10466 (BBL 2050440047)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/bronx/4339-byron-avenue-2050440047. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
4339 BLASTOISE LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B2 – Two-family home, frame (wood)The Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
1925Often an estimate for older buildings.
Floors
2.5
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
3,555 sq ft (37.42 ft × 95 ft)
Building floor area
3,240 sq ft
Zoning
R5The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
0.91 built / 1.50 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 2050440047 (Borough 2, Block 5044, Lot 47) · BIN 2069830, 2107922BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; last loaded 2026-11-08; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$941,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$56,460The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$34,733Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$941,000$56,4601
2026Final$863,000$51,7801
2025Final$844,000$50,6401

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08

Sales & deed history 4

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2025-04-18DEED$850,000Trust F/B/O Silverio Palmieri; Palmieri, Silverio; Paul Palmieri, As Trustee4339 Blastoise Llc2025042700031001
2015-11-04DEED$0 / not statedPalmieri, Paul; The Estate Of Donata PalmieriTrust F/B/O Silverio Palmieri U/W Donata Palmieri; Palmieri, Paul2015110500617001
2010-03-15DEED$0 / not statedPalmieri, Silverio; Palmieri, His Wife, DonataPalmieri, Silverio; Palmieri As Tenants In Common, Donata2010032200501001
1971-11-11DEED$0 / not statedTirelli Celeste; Tirelli PasqualeSilverio Palmieri; Donata PalmieriBK_7120016900173

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-08

DOB job filings 0 open of 0

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Job Application Filings (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-08

Work permits 0

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 0

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08

ECB violations (DOB) 0 active of 2

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2002-04-09HazardousRESIDENCE ALTERED FOR OCCUPANCY FOR MORE THAN THE LEGALLY APPROVED NUMBER OF FAMILIES. BUILDING DEPARTMENT RECORDS (NB782 OF 1923) INDICATEDRESIDENCE IS LEAGALLY APPROVED FOR TWO FAMILIES. ALTERATION WORK NOTED$0 / $0 / $034317156N
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2002-04-06Non-HazardousWORK WITHOUT A PERMIT. WORK NOTED: INSTALLED A KITCHEN AND THREE PIECE BATHROOM IN BOTH THE ATTIC AND THE CELLAR. REMEDY: RESTORE PREMEISES TO PRIOR LEGAL CONDITION.$0 / $0 / $034317157P

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08

OATH tickets (all agencies) 0 unpaid of 14

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
No balance due
PAID IN FULL · SETTL IN-VIO
2025-11-07Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE4339 BLASTOISE LLC$300 / $176 / $0049427053M
No balance due
PAID IN FULL · SETTL IN-VIO
2025-08-19Dos - Enforcement AgentsIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST4339 BLASTOISE LLC$300 / $178 / $0049345642L
No balance due
PAID IN FULL
2024-03-05Dos - Enforcement AgentsDIRTY AREATRUST F B O SILVERIO PALMIERI$50 / $50 / $0048337418K
No balance due
PAID IN FULL
2019-08-16Sanitation RecyclingFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSTRUST F B O SILVERIO PALMIERI$25 / $25 / $0046615031K
No balance due
PAID IN FULL
2019-03-01Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSTRUST F B O SILVERIO PALMIERI$25 / $25 / $00206981107
No balance due
PAID IN FULL
2018-06-18Dos - Enforcement AgentsSTORAGE OF RECEPTACLESTRUST F B O SILVERIO PALMIERI$100 / $100 / $0044573177H
No balance due
PAID IN FULL
2009-09-17Dos - Enforcement AgentsDIRTY SIDEWALK DIRTY AREAPALMIERI$100 / $100 / —043035108J
No balance due Default
PAID IN FULL · DEFAULTED
2009-09-15Dos - Enforcement AgentsMAINTAINING RECEPTACLESPALMIERI$300 / $300 / —043035092Y
No balance due
PAID IN FULL
2009-02-20Sanitation OthersLOOSE RUBBISHCAMIERI$100 / $100 / —0172531738
No balance due
PAID IN FULL
2007-08-09Sanitation PoliceSTORAGE OF RECEPTACLESPALMIERI$100 / $100 / —043050303K
No balance due
PAID IN FULL
2003-04-04$50 / $50 / —0135384729
No balance due
PAID IN FULL
2002-05-03$25 / $25 / —0127075219

Showing 12 of 14 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-08; last loaded 2026-11-08

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

HPD building ID
54445
Last registered
—
Registration valid until
2026-09-01 ExpiredRegistrations must be renewed every year.

No records found in this dataset for this lot.

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-08; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-08

HPD housing-code violations 4 open of 9

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Open
Nov Sent Out · 2026-04-29
A2026-04-29(A) § HMC: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.
Open
Nov Sent Out · 2025-06-04
A2025-06-04(A) § HMC: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.
Open
Nov Sent Out · 2009-08-18
B2009-08-18BSMTSECTION 27-2026 ADM CODE REMOVE ALL OBSTRUCTIONS AND REPAIR ALL DEFECTS IN DRAIN PIPE UNDER WASH BASIN IN THE BATHROOM LOCATED AT APT BSMT, APARTMENT AT SOUTH
Open
Nov Sent Out · 2009-08-18
B2009-08-18BSMTSECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT BSMT, APARTMENT AT SOUTH
Closed
Violation Dismissed · 2024-05-13
A2024-04-02(A) § HMC: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.
Closed
Violation Dismissed · 2023-09-15
A2023-03-16(A) § HMC: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.
Closed
Violation Dismissed · 2022-02-28
A2022-02-17(A) § HMC: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.
Closed
Violation Dismissed · 2021-06-14
A2021-04-02(A) § HMC: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.
Closed
Violation Dismissed · 2020-04-29
I2019-10-25§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-08; last loaded 2026-11-08

HPD complaints 0

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-08; last loaded 2026-11-08

311 requests (last 12 months) 0

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07; a later sync attempt failed on 2026-11-08; showing the last successful load

Nearby properties

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

More in Wakefield-Woodlawn: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Byron Ave

Same tax block (5044), closest first

All properties on Byron Ave, Bronx · Bronx 10466

Open-item counts as of November 8, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs