# 312 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032190034 · Block 3219 · Lot 34 · BIN 3073183  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/312-knickerbocker-avenue-3032190034  
Last updated: 2026-11-03 · Open-item counts as of 2026-10-31

Also recorded as: 803 Hart St

## Summary

312 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3032190034) is a 9-unit walk-up apartment building (building class C7: walk-up apartments, more than six families, with stores), built around 1932, on a 2,500 sq ft lot zoned R6. City tax records list the owner as PIERDIPINO, ANTONINO; per ACRIS, a deed to this owner dated November 10, 2003 lists a price of $600,000. The Department of Finance's final market value for tax year 2027 is $1,382,000. As of October 31, 2026, NYC Open Data shows two active DOB violations, four open HPD violations and one OATH ticket with an unpaid balance. There were 19 311 requests in the past 12 months and eight 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, “312 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3032190034)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/312-knickerbocker-avenue-3032190034. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 2 |
| Active ECB violations | 0 |
| Open HPD violations | 4 |
| OATH tickets with unpaid balance | 1 |

## Lot & building

- Owner of record: PIERDIPINO, ANTONINO
- Building class: C7 – Walk-up apartments, more than six families, with stores
- Year built: 1932
- Floors: 4
- Units: 9 residential / 10 total
- Lot area: 2,500 sq ft · Building area: 9,250 sq ft
- Zoning: R6, C1-3
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-04

## Tax assessment

- Tax year 2027 (final roll): market value $1,382,000, assessed value $621,900, tax class 2B
- 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 |
|---|---|---|---|
| 2003-11-10 | recorded (DEED) | DEED dated 2003-11-10 from VINCI, MICHELE to PIERDIPINO, ANTONINO, stated price $600,000. | bnx9-e6tj |
| 1974-12-16 | recorded (DEED) | DEED dated 1974-12-16 from CIRCO LUCIA; CIRCO SEBASTIANO to VINCI MICHELE; PIERDIPINO ANTONINO, 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 |
|---|---|---|---|
| 2013-04-03 | n/a (ISSUED (initial)) | BIS work permit for job 320476980: Plumbing / Plumbing. Issued 2013-04-03, expires 2014-04-03. | ipu4-2q9a |
| 2012-11-20 | n/a (ISSUED (renewal)) | BIS work permit for job 320476980: Equipment work / Other / general construction. Issued 2012-11-20, expires 2013-11-20. | ipu4-2q9a |
| 2012-11-20 | n/a (ISSUED (renewal)) | BIS work permit for job 320476980: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2012-11-20, expires 2013-11-20. | ipu4-2q9a |
| 2012-09-18 | n/a (ISSUED (initial)) | BIS work permit for job 320476980: Equipment work / Other / general construction. Issued 2012-09-18, expires 2012-11-20. | ipu4-2q9a |
| 2012-09-18 | n/a (ISSUED (initial)) | BIS work permit for job 320476980: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2012-09-18, expires 2012-11-20. | ipu4-2q9a |
| 2004-07-01 | n/a (ISSUED (initial)) | BIS work permit for job 301763786: Equipment work / Mechanical/HVAC. Issued 2004-07-01, expires 2004-08-08. | 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 |
|---|---|---|---|
| 2020-07-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (C-CONSTRUCTION OTHER OPTIONAL): STRUCTURE RENDERED NON-COMPLIANT. AT TIME OF INSPECTION DAMAGE OBSERVED TO HAVE BEEN SUSTAINED TO MASONRY WALL AT CELLAR LEVEL EXPOSURE 2 WHERE WORKER JACK HAMMERING PENETRATED THROUGH TO BUILDING WALL DUE TO ON GOING SIDEWALK REPAIR WORK …. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 1993-08-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2011-08-01 | open (Not Complied With) | HPD class A violation (Class A): § 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX ... AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2011-08-01 | open (Not Complied With) | 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 |
| 2011-08-01 | open (Not Complied With) | HPD class A violation (Class A): § 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 1990-03-27 | open (Nov Certified Late) | HPD class C violation (Class C) in apt 6: § 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT NORTH WALL 3 STY WEST APT 6 SOUTHWEST ROOM PIERDILINO 318 7199 ER1. , SECTION '' ''. 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 |
|---|---|---|---|
| 2022-08-10 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: ILLEGAL POSTING OF HANDBILL NOTICE. Unpaid balance $125. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-07-21 | pending (NEW ISSUANCE) | OATH ticket from Sanitation Recycling: DIRTY AREA. Hearing pending. | jz4z-kudi |
| 2026-03-27 | pending (ASSIGNED) | OATH ticket from Sanitation Recycling: DIRTY SIDEWALK. 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 |
|---|---|---|---|
| 2019-03-21 | 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 |
| 2019-03-16 | closed (CLOSE) | HPD complaint (apt 9): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the c… | ygpa-z7cr |
| 2019-02-23 | closed (CLOSE) | HPD complaint (apt 9): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the c… | ygpa-z7cr |
| 2019-02-17 | 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 |
| 2019-02-16 | 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 |
| 2019-01-21 | 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 |
| 2019-01-18 | 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 |
| 2019-01-17 | closed (CLOSE) | HPD complaint (apt 1): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the c… | ygpa-z7cr |
| 2026-08-22 | closed (Closed) | 311 request to NYPD: Noise - Vehicle – Car/Truck Music. | erm2-nwe9 |
| 2026-08-19 | closed (Closed) | 311 request to NYPD: Noise - Vehicle – Car/Truck Music. | erm2-nwe9 |
| 2026-08-12 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 |
| 2026-08-06 | closed (Closed) | 311 request to NYPD: Noise - Vehicle – Car/Truck Music. | erm2-nwe9 |
| 2026-07-25 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2026-06-22 | closed (Closed) | 311 request to DEP: Sewer – Street Flooding (SJ). | erm2-nwe9 |
| 2026-06-10 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |

Showing 15 of 27. Full list: https://nycpropertyfacts.com/api/v1/property/3032190034/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 PIERDIPINO, ANTONINO. | 64uk-42ks |
| 2003-11-10 | recorded | Grantee (buyer) on the most recent deed (DEED, 2003-11-10). | 636b-3b5g |
| 2026-07-20 | current_registration | HPD registration contact: IndividualOwner Antonino Pierdipino, business city Brooklyn. | feu5-w2e2 |
| 2026-07-20 | current_registration | HPD registration contact: Agent Antonino Pierdipino (312 KNICKERBOCKER CORP.), business city Brooklyn. | feu5-w2e2 |
| 2026-07-20 | current_registration | HPD registration contact: SiteManager Antonino Pierdipino. | 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/3032190034