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3510 Johnson Avenue, Bronx, NY 10463

BBL 2057930450 (Borough 2, Block 5793, Lot 450) · BIN 2103691 · Last updated:

Summary · as of October 31, 2026

3510 Johnson Avenue (Bronx, NY 10463; tax lot BBL 2057930450) is an office building (building class O7: office building (subtype O7)), built around 1998, on a 3,148 sq ft lot zoned R6A. City tax records list the owner as FEIL RIVERDALE LLC; per ACRIS, a deed to this owner dated August 5, 2021 lists a price of $9,830,000 in a deed covering 3 lots. The Department of Finance's final market value for tax year 2027 is $2,029,000. As of October 31, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off, one active ECB violation and 12 OATH tickets with an unpaid balance. There were five 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
FEIL RIVERDALE LLC
Building class
O7 · Office building
Year built · units
1998 · 0 res.
Lot area · zoning
3,148 sq ft · R6A
Market value (DOF)
$2,029,000 FY2027
Last priced deed
$9,830,000 · 2021-08-05
BBL
2057930450
BIN
2103691

How to cite: NYC Property Facts, “3510 Johnson Avenue, Bronx, NY 10463 (BBL 2057930450)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/bronx/3510-johnson-avenue-2057930450. 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)
FEIL RIVERDALE LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
O7 – Office building (subtype O7)The Department of Finance’s category for what kind of building this is.
Land use
Commercial & officeCity Planning’s broad category of how the lot is used.
Year built
1998Often an estimate for older buildings.
Floors
1
Units
0 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
3,148 sq ft (40.46 ft × 75 ft)
Building floor area
3,035 sq ft (incl. 3,035 sq ft commercial)
Zoning
R6A, C1-2The 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)
0.96 built / 3.00 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 2057930450 (Borough 2, Block 5793, Lot 450) · BIN 2103691BBL 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 2026-11-02; 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)
$2,029,000The 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
$913,050The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$796,500Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,029,000$913,0504
2026Final$1,874,000$843,3004
2025Final$1,689,000$760,0504

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02

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
2021-08-05DEED$9,830,000
one deed covering 3 lots; price is for all of them
Fjlu Llc; Frandan Ii Realty Llc; Felu Llc; Falu LlcFeil Riverdale Llc2021081601369001
2019-07-02DEED$0 / not statedFrandan Johnson, LlcMark Franzblau, Co-Trustee; Brett Haber, Co-Trustee; Felu, Llc; Frandan Ii Realty Llc; The Leonard Franzblau Revocable Trust2019071100191001
2019-07-02DEED$866,666The Leonard Franzblau Revocable Trust; Brett Haber, Co-Trustee; Mark Franzblau, Co-TrusteeFjlu Llc; Falu Llc2019071100191002
1996-10-24DEED$0 / not statedFountain Holdings CorpHamstead Park Properties, IncFT_2820005472082

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02

DOB job filings 3 open of 8

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.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2016-12-21
220554219
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2016-10-28$57,250
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2000-12-27
200645436
BIS
A1 – Major alteration (changes use, egress or occupancy)2000-11-08$100
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2000-10-16
200622941
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2000-05-15$95,000
Not open
LOC Issued · 2025-03-25
X01151704-I1
DOB NOW
Alteration2025-01-02$25,000
Not open
SIGNED OFF · 2001-03-07
200632468
BIS
A3 – Minor alteration (one type of work)2000-07-28—
Not open
SIGNED OFF · 2000-01-28
200419298
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1997-04-15$200
Not open
SIGNED OFF · 2000-02-18
200417708
BIS
NB – New building1997-04-04—
Not open
PLAN EXAM - APPROVED · 1995-06-09
200241390
BIS
A1 – Major alteration (changes use, egress or occupancy)1994-05-20$1

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 18

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.

IssuedExpiresJob #WorkPermit status
2025-01-222025-04-30X01151704-I1
DOB NOW
Mechanical Systems
HEREBY FILING FOR THE AC INSTALLATION. NO CHANGE TO USE OCCPANCY OR EGRESS.
Signed-off
2016-12-212017-12-05220554219
BIS
Equipment work / Other / general constructionISSUED (renewal)
2016-11-142016-12-05220554219
BIS
Equipment work / Other / general constructionISSUED (initial)
2012-04-202013-04-20220178698
BIS
SignISSUED (initial)
2001-06-012001-07-05200663834
BIS
SignISSUED (initial)
2000-12-272001-02-24200645436
BIS
AlterationISSUED (initial)
2000-11-092000-12-31200632468
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)
2000-10-162001-10-16200622941
BIS
Equipment work / SprinklerISSUED (initial)
2000-10-032001-10-03200622941
BIS
Plumbing / PlumbingISSUED (initial)
2000-09-142001-02-24200622941
BIS
Equipment work / Other / general constructionISSUED (initial)
2000-09-142001-02-24200622941
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1999-10-182000-10-17200419298
BIS
Plumbing / PlumbingISSUED (initial)

Showing 12 of 18 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; 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 2026-11-02; data as of 2026-11-02

ECB violations (DOB) 1 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 #
Active
Hearing: WRITTEN OFF
Written off refers to the penalty, not the violation.
2004-08-09Non-HazardousOCCUPIED WITHOUT A VAILD C OF O APPLICATION 200645436T HAS EXPIRED ON FEB 18, 2003 REMEDY: COMPLETE ALL PENDING ITEMS ON TEMP C OF O$800 / $0 / $034433771N
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2012-05-24CLASS - 2FAILURE TO PROVIDE APPROVED/ACCEPTED PLANS AT JOB SITE AT TIME OF INSPECTION FOR ALT SG (SIGN) JOB #220178698 - NO PLANS AT SITE. REM: PROVIDE PLANS, CONTACT DOB D-14 UNIT @ QUEENS BOROUGH HALL @718-286-0683$2,500 / $2,718 / $034842489R

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02

OATH tickets (all agencies) 12 unpaid of 27

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 #
Unpaid balance
HEARING COMPLETED · IN VIOLATION
2026-08-04Fire Department Of NycINSPECTION AND TESTINGFEIL RIVERDALE LLC$750 / $0 / $750014265293M
Unpaid balance Default
DEFAULTED · DEFAULTED
2026-06-26Sanitation OthersDIRTY SIDEWALK COMM MAN INDUSTRIAL MIXED USE 1STMONTEFIORE MEDICAL GROUP$80 / $50 / $30049786394P
Unpaid balance Default
DOCKETED · DEFAULTED
2026-02-21Fire Department Of NycINSPECTION AND TESTINGFEIL RIVERDALE LLC$1,000 / $0 / $1,000014232301M
Unpaid balance
DOCKETED · IN VIOLATION
2024-06-04Fire Department Of NycAFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATIONMONTEFIORE$1,500 / $0 / $1,500014124903L
Unpaid balance Default
DOCKETED · DEFAULTED
2024-01-17Fire Department Of NycINSPECTION AND TESTINGFEIL RIVE$1,000 / $0 / $1,000014100164K
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-28Doh Mental HealthFAILURE TO DISPLAY LICENSE OR PLATELAMPOUTIS$50 / $0 / $500890649183
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-28Doh Mental HealthTHERMOMETER NOT PROVIDED, PROPERLY CALIBRATED, OR ACCESSIBLE FOR USELAMPOUTIS$200 / $0 / $2000890649174
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-28Doh Mental HealthNO PEST CONTROL SERVICE CONTRACT WITH COMMISSARY OR APPROVED FACILITYLAMPOUTIS$300 / $0 / $3000890649165
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-28Doh Mental HealthCOLD TCS FOOD NOT HELD AT 41 DEGREES FAHRENHEIT OR BELOWLAMPOUTIS$250 / $0 / $2500890649201
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-13Doh Mental HealthCLEAN OUTER GARMENT NOT WORNLAMPOUTIS$200 / $0 / $2010890646314
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-13Doh Mental HealthFAILURE TO DISPLAY LICENSE OR PLATELAMPOUTIS$50 / $0 / $500890646323
Unpaid balance
DOCKETED · IN VIOLATION
2019-05-13Doh Mental HealthALLOWING UNLICENSED PERSON TO VENDLAMPOUTIS$1,000 / $0 / $1,0050890646332

Showing 12 of 27 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02

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 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02

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 2026-11-02; data as of 2026-11-02

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 2026-11-02; data as of 2026-11-02

311 requests (last 12 months) 5

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
2026-09-28NYPDIllegal Parking – Blocked CrosswalkClosed2026-09-28
2026-09-26DSNYDirty Condition – TrashClosed2026-09-29
2026-06-25DSNYDirty Condition – TrashClosed2026-06-26
2026-05-31DSNYIllegal Posting – Flyer or HandbillClosed2026-06-01
2026-02-02DSNYSnow or Ice – RoadwayClosed2026-02-03

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02

Nearby properties

On Johnson Ave

Same tax block (5793)

All properties on Johnson Ave, Bronx · All of Bronx 10463 (Riverdale-Spuyten Duyvil)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs