# 9727 3rd Avenue, Brooklyn, NY 11209

BBL 3061260001 · Block 6126 · Lot 1 · BIN 3155828  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/9727-3rd-avenue-3061260001  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

Also recorded as: 301 Marine Ave; 9723-9727 3 Ave

## Summary

9727 3rd Avenue (Brooklyn, NY 11209; tax lot BBL 3061260001) is a 14-unit walk-up apartment building (building class C7: walk-up apartments, more than six families, with stores), built around 1926, on a 3,300 sq ft lot zoned R6A. City tax records list the owner as 301 MARINE AVE CORP. The Department of Finance's final market value for tax year 2027 is $1,378,000. As of October 31, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, one active DOB violation and 15 open HPD violations. There were 55 311 requests in the past 12 months and 24 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, “9727 3rd Avenue, Brooklyn, NY 11209 (BBL 3061260001)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/9727-3rd-avenue-3061260001. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 1 |
| Active DOB violations | 1 |
| Active ECB violations | 0 |
| Open HPD violations | 15 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: 301 MARINE AVE CORP
- Building class: C7 – Walk-up apartments, more than six families, with stores
- Year built: 1926
- Floors: 4
- Units: 14 residential / 15 total
- Lot area: 3,300 sq ft · Building area: 14,628 sq ft
- Zoning: R6A, C1-3, BR
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-01

## Tax assessment

- Tax year 2027 (final roll): market value $1,378,000, assessed value $620,100, tax class 2
- 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 |
|---|---|---|---|
| 1973-10-19 | recorded (DEED) | DEED dated 1973-10-19 from IANNELLI VINCENT to 301 MARINE AVE CORP, no price stated ($0). | bnx9-e6tj |
| 1967-09-01 | recorded (DEED) | DEED dated 1967-09-01 from IANNELLI ALFRED; IANNELLI VINCENT to IANNELLI VINCENT, 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 |
|---|---|---|---|
| 1997-12-31 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300694728 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. BOILER/BURNER REPLACEMENT AND CHANGE OF OIL FROM #4 TO #2.NO CHANGE IN E GRESS OR OCCUPANCY IS INVOLVED UNDER THI S APPLICATION. | ic3t-wcy2 |
| 2024-06-26 | n/a (Signed-off) | DOB NOW work permit for job B01070846-I1: Supported Scaffold — PROPOSED INSTALLATION OF TEMPORARY LIGHT DUTY PIPE SCAFFOLD AS PER PLANS. WORK SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE. NO CHANGE IN USE, O…. Issued 2024-06-26, expires 2025-04-14. | rbx6-tga4 |
| 2024-05-22 | n/a (Signed-off) | DOB NOW work permit for job B01054253-I1: Sidewalk Shed — INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF 2022 THE…. Issued 2024-05-22, expires 2025-04-14. | rbx6-tga4 |
| 1998-01-28 | n/a (ISSUED (initial)) | BIS work permit for job 300694728: Equipment work / Fuel storage. Issued 1998-01-28, expires 1998-10-01. | ipu4-2q9a |
| 1998-01-28 | n/a (ISSUED (initial)) | BIS work permit for job 300694728: Equipment work / Fuel burning. Issued 1998-01-28, expires 1998-10-01. | ipu4-2q9a |
| 1998-01-28 | n/a (ISSUED (initial)) | BIS work permit for job 300694728: Equipment work / Boiler. Issued 1998-01-28, expires 1998-10-01. | 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 |
|---|---|---|---|
| 2019-01-09 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE): FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2026-05-07 | open (Nov Sent Out) | HPD class B violation (Class B) in apt C2: § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING MORTISE LOCK IN THE ENTRANCE LOCATED AT APT C2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2026-04-30 | open (Nov Sent Out) | HPD class A violation (Class A): (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 — not recorded as corrected. | wvxf-dwi5 |
| 2025-11-12 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING WOOD WEDGE PLACED AT BUILDING ENTRANCE DOOR. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-10-30 | open (Invalid Certification) | HPD class C violation (Class C) in apt B3: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCHSET ASSEMBLY, IN THE ENTRANCE LOCATED AT APT B3, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-09-09 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT LOBBY, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-10 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM SIGN MISSING AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-10 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR. Open — not recorded as corrected. | wvxf-dwi5 |
| 2018-10-22 | open (Nov Certified Late) | HPD class B violation (Class B): § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES AIR CONDITIONER AT BUILDING FRONT , 3rd STORY, SECTION AT NORTHWEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2018-08-07 | open (Nov Sent Out) | HPD class B violation (Class B) in apt B2: § 27-2005 ADM CODE PROPERLY SECURE THE LOOSE BASE CABINET DOOR AT SINK AT WEST WALL IN THE KITCHEN LOCATED AT APT B2, 2nd STORY, APARTMENT AT SOUTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2018-08-07 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE SLATE EXTENSION ROOF OVER BUILDING ENTRANCE. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-10-19 | open (Nov Sent Out) | HPD class A violation (Class A): § 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING. AT …. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-10-19 | open (Nov Sent Out) | HPD class A violation (Class A): § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-10-19 | open (Nov Sent Out) | HPD class A violation (Class A): § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2016-07-18 | open (Nov Sent Out) | HPD class C violation (Class C) in apt B2: SECTION 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR .. IN THE ENTRANCE LOCATED AT APT B2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2009-11-02 | open (Nov Certified Late) | HPD class C violation (Class C) in apt B2: SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CILINDER KEY OPERATING LOCK IN THE ENTRANCE LOCATED AT APT B2, 2nd 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 |
|---|---|---|---|
| 2026-10-23 | pending (NEW ISSUANCE) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. 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 |
|---|---|---|---|
| 2026-08-26 | closed (CLOSE) | HPD complaint (apt BLDG): Unsanitary Condition – Garbage/Recycling Storage. An HPD Inspector was not able to gain access to inspect this complaint. The Inspector left a card at the time of the inspection and a letter was sent from HPD after the inspection attempt to encourag… | ygpa-z7cr |
| 2026-05-05 | closed (CLOSE) | HPD complaint (apt C2): Flooring/Stairs – Floor. HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more i… | ygpa-z7cr |
| 2026-03-27 | closed (CLOSE) | HPD complaint (apt C2): Paint/Plaster – Wall. HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed. | ygpa-z7cr |
| 2026-03-25 | closed (CLOSE) | HPD complaint (apt C2): Door/Window – Door. HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for t… | ygpa-z7cr |
| 2026-02-09 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.The Department of Housing Preservation and Development contacted a tenant in … | ygpa-z7cr |
| 2026-02-08 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. HPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection… | ygpa-z7cr |
| 2026-01-23 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2026-01-11 | closed (CLOSE) | HPD complaint (apt C2): Door/Window – Door. HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more i… | ygpa-z7cr |
| 2025-11-10 | closed (CLOSE) | HPD complaint (apt B3): Heat/Hot Water – Entire Building. HPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection… | ygpa-z7cr |
| 2025-03-28 | closed (CLOSE) | HPD complaint (apt C2BELL): Electric – Outlet/Switch; Plumbing – Radiator; Electric – Wiring. HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more i… | ygpa-z7cr |
| 2025-02-13 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2024-11-20 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2024-10-27 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. HPD responded to a complaint of no heat or hot water. Heat was not required at the time of the inspection because the outside temperature was above 55° F; by law, violations can only be issued if the… | ygpa-z7cr |
| 2024-09-02 | closed (CLOSE) | HPD complaint (apt BLDG): Unsanitary Condition – Garbage/Recycling Storage. The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd | ygpa-z7cr |
| 2024-07-18 | closed (CLOSE) | HPD complaint (apt C2): General – Cabinet; Door/Window – Window Frame; Unsanitary Condition – Mold. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |

Showing 15 of 79. Full list: https://nycpropertyfacts.com/api/v1/property/3061260001/complaints

## 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 301 MARINE AVE CORP. | 64uk-42ks |
| 1973-10-19 | recorded | Grantee (buyer) on the most recent deed (DEED, 1973-10-19). | 636b-3b5g |
| 2025-07-16 | expired_registration | HPD registration contact: Shareholder Thomas Iannelli, business city Brooklyn. | feu5-w2e2 |
| 2025-07-16 | expired_registration | HPD registration contact: SiteManager Arthur Mcgee. | feu5-w2e2 |
| 2025-07-16 | expired_registration | HPD registration contact: CorporateOwner (301 MARINE AVE CORP), business city Brooklyn. | feu5-w2e2 |
| 2025-07-16 | expired_registration | HPD registration contact: HeadOfficer Vincent Iannelli, business city Brooklyn. | feu5-w2e2 |
| 2025-07-16 | expired_registration | HPD registration contact: Agent Vincent Iannelli (Vincent Iannelli), business city Brooklyn. | feu5-w2e2 |
| 2025-07-16 | expired_registration | HPD registration contact: Officer Vincent Iannelli, business city Brooklyn. | 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/3061260001