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4281 Katonah Avenue, Bronx, NY 10470

BBL 2033760052 (Borough 2, Block 3376, Lot 52) · BIN 2019105 · Last updated:

Summary · as of November 6, 2026

4281 Katonah Avenue (Bronx, NY 10470; tax lot BBL 2033760052) is a two-family home (building class B2: two-family home, frame (wood)), built around 1901, on a 2,500 sq ft lot zoned R5B. City tax records list the owner as MCTERNAN, JOHN J. The Department of Finance's final market value for tax year 2027 is $832,000. As of November 6, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There were three 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.)

Owner of record
MCTERNAN, JOHN J
Building class
B2 · Two-family home, frame
Year built · units
1901 · 2 res.
Lot area · zoning
2,500 sq ft · R5B
Market value (DOF)
$832,000 FY2027
Last priced deed
—
BBL
2033760052
BIN
2019105

How to cite: NYC Property Facts, “4281 Katonah Avenue, Bronx, NY 10470 (BBL 2033760052)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/bronx/4281-katonah-avenue-2033760052. 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)
MCTERNAN, JOHN JThe 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
1901Often an estimate for older buildings.
Floors
2
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,500 sq ft (25 ft × 100 ft)
Building floor area
2,232 sq ft
Zoning
R5B, C1-3The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
Built vs. allowed density (FAR)
0.89 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 2033760052 (Borough 2, Block 3376, Lot 52) · BIN 2019105BBL 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; data as of 2026-11-06; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

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

Market value (tax year 2027, final roll)
$832,000The 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
$49,920The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$37,000Assessed 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$832,000$49,9201
2026Final$849,000$50,9401
2025Final$898,000$53,8801

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06

Sales & deed history 6

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
2023-06-21DEED$0 / not statedMcternan, John J; Mcternan, MaryMcternan, John J2023072800185002
2023-06-21DEED$0 / not statedMcternan, John JMawn - Trustee, Mary V; John J. Mcternan Family Trust; Main - Trustee, Erin A2023080201004001
1998-09-03DEED$0 / not statedMcternan, Annmarie; Garvey, Mary; Mcternan, John James; Mcternan, JohnMcternan, John; Mcternan, Mary V.; Mcternan, John J.FT_2790006380379
1978-06-28DEED$0 / not statedSmith Margaret; Smith BernardMargaret Mcternan; James Mcternan; Mary Mcternan; John McternanBK_7820036401902
1975-06-18DEED$0 / not statedSullivan Mary T; Deery Sean PMargaret Smith; Bernard SmithBK_7520028000065
1975-04-02DEED$0 / not statedDeery Patrick (Ex Of)Sean P Deery; Mary T SullivanBK_7520027401103

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-06

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 2026-11-05; data as of 2026-11-06; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-05; data as of 2026-11-06; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

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 2026-11-05; data as of 2026-11-06

ECB violations (DOB) 0 active of 0

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.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

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
2023-03-20Sanitation Environ. PoliceDIRTY AREAJOHN J MCTERNAN$50 / $50 / $0047653226Y
No balance due
PAID IN FULL
2019-09-06Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STMCTERNAN$300 / $300 / $00801707271
No balance due Default
PAID IN FULL · DEFAULTED
2018-12-06Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STMCTERNAN$330 / $330 / $00801495310
No balance due Default
PAID IN FULL · DEFAULTED
2018-12-06Pcs - DohmhFAIL TO ELIMINATE CONDITIONS CONDUCIVE TO PESTS, GARBAGE CANS SPILLAGEMCTERNAN$600 / $600 / $00801495320
No balance due Default
PAID IN FULL · DEFAULTED
2017-04-13Dos - Enforcement AgentsDIRTY AREAJOHN J MCTERNAN$300 / $305 / $0044243983K
No balance due
PAID IN FULL
2016-05-16Sanitation OthersDIRTY SIDEWALK DIRTY AREAJOHN J$100 / $100 / $00191945060
No balance due
WRITTEN OFF · WRITTEN OFF
2012-03-05Sanitation OthersDIRTY SIDEWALK DIRTY AREAMCTERNAN$300 / $0 / $00174875306
No balance due Default
PAID IN FULL · DEFAULTED
2012-02-06Sanitation OthersDIRTY SIDEWALK DIRTY AREAJOHN$130 / $130 / —0174872767
No balance due
WRITTEN OFF · WRITTEN OFF
2010-12-09Dos - Enforcement AgentsDIRTY SIDEWALK DIRTY AREAMCTERNAN$300 / $130 / $0043263659K
No balance due Default
PAID IN FULL · DEFAULTED
2010-10-21Sanitation OthersLOOSE RUBBISHJOHN$130 / $130 / —0174319485
No balance due
PAID IN FULL
2009-12-04Sanitation OthersDIRTY SIDEWALK DIRTY AREAMCTERNAN$100 / $100 / —0171742928
No balance due
PAID IN FULL
2007-02-06$100 / $100 / —0158276223

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

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-06; data as of 2026-11-06

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.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-06; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-06

HPD housing-code violations 0 open of 0

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.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

311 requests (last 12 months) 3

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.

OpenedAgencyComplaintStatusClosed
2026-09-09NYPDIllegal Parking – Blocked HydrantClosed2026-09-09
2026-06-15NYPDIllegal Parking – Blocked HydrantClosed2026-06-16
2026-05-14NYPDIllegal Parking – Blocked HydrantClosed2026-05-14

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-06; data as of 2026-11-06

Nearby properties

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

On Katonah Ave

Same tax block (3376)

All properties on Katonah Ave, Bronx · All of Bronx 10470

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs