# 307 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032200002 · Block 3220 · Lot 2 · BIN 3073200  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/307-knickerbocker-avenue-3032200002  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

307 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3032200002) is a 6-unit mixed-use building with apartments and ground-floor commercial space (building class S5: mixed-use: five- or six-family home with one store or office), built around 1931, on a 2,500 sq ft lot zoned R6. City tax records list the owner as AMBROSINO EQUITIES LLC; per ACRIS, a deed to this owner dated May 16, 2013 lists a price of $1,450,000. The Department of Finance's final market value for tax year 2027 is $971,000. As of October 31, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off and one OATH ticket with an unpaid balance. There were three 311 requests in the past 12 months and five 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, “307 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3032200002)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/307-knickerbocker-avenue-3032200002. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 3 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 1 |

## Lot & building

- Owner of record: AMBROSINO EQUITIES LLC
- Building class: S5 – Mixed-use: five- or six-family home with one store or office
- Year built: 1931
- Floors: 4
- Units: 6 residential / 7 total
- Lot area: 2,500 sq ft · Building area: 6,500 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 $971,000, assessed value $436,950, 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 |
|---|---|---|---|
| 2013-05-16 | recorded (DEED) | DEED dated 2013-05-16 from 307 KNICKERBOCKER REALTY CORP. to AMBROSINO EQUITIES LLC, stated price $1,450,000. | bnx9-e6tj |
| 1993-08-04 | recorded (DEED) | DEED dated 1993-08-04 from VENTIMIGLIA, GIUSEPPE; VENTIMEGLIA,GIUSEPPE/AKA; COSTA, EVELYN; NUZZO, BENEDETTO to 307 KNICKERBOCKER RTY CP, no price stated ($0). | bnx9-e6tj |
| 1986-06-24 | recorded (DEED) | DEED dated 1986-06-24 from FONTANA, ANNA; FONTANA, FRANK to VENTIMEGLIA, GIUSEPPE; COSTA, EVELYN; NUZZO, BENEDETTO, no price stated ($0). | bnx9-e6tj |
| 1977-10-24 | recorded (DEED) | DEED dated 1977-10-24 from CANNIZZARO LUCILLE to FONTANO ANNA; FONTANO FRANK, 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 |
|---|---|---|---|
| 2013-09-04 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 320857658 (A1 – Major alteration (changes use, egress or occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. REMOVE INTERIOR PARTITIONS & PLUMBING FIXTURES AND PROPERLY CAP PIPES; NEW HORIZONTAL ENLARGEMENT AT REAR OF FIRST FLOOR AS SHOWN ON DRAWINGS FILED HEREWITH. | ic3t-wcy2 |
| 2004-06-28 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 301766603 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. REPLACE AUTOMATIC FIRE SUPPRESSION SYSTEM IN EXISTING KITCHEN RANGEHOOD. NO CHANGE IN USE, EGRESS AND OCCUPANCY. GAS SHUT-OFF VALVE WAS FILED UNDER CASE#MISC286-90. | ic3t-wcy2 |
| 1999-10-07 | open (PERMIT ISSUED - PARTIAL JOB) | BIS job 300946065 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - PARTIAL JOB — permit issued, no sign-off on record. FILING TO REMOVE KITCHEN AND BATHROOM WO OD STUD WALL TO REPLACE 6 DAMA D 3X12 WOOD JOISTS.FIVE OF THE TOTAL 6 A PTS.ARE VACANT.REPLACE 144 S.F. OF FLOO RING AND KITCHEN AND BATHROOM WALLS AND INSTAL… | ic3t-wcy2 |
| 2016-01-11 | n/a (ISSUED (renewal)) | BIS work permit for job 320857658: Alteration. Issued 2016-01-11, expires 2016-06-29. | ipu4-2q9a |
| 2015-02-17 | n/a (ISSUED (renewal)) | BIS work permit for job 320857658: Plumbing / Plumbing. Issued 2015-02-17, expires 2016-02-17. | ipu4-2q9a |
| 2014-09-09 | n/a (RE-ISSUED (renewal)) | BIS work permit for job 320857658: Alteration. Issued 2014-09-09, expires 2015-06-29. | ipu4-2q9a |
| 2014-04-01 | n/a (ISSUED (initial)) | BIS work permit for job 340131459: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2014-04-01, expires 2015-04-01. | ipu4-2q9a |
| 2014-02-27 | n/a (RE-ISSUED (renewal)) | BIS work permit for job 320857658: Alteration. Issued 2014-02-27, expires 2014-09-06. | ipu4-2q9a |
| 2014-02-14 | n/a (ISSUED (initial)) | BIS work permit for job 320857658: Plumbing / Plumbing. Issued 2014-02-14, expires 2015-02-14. | ipu4-2q9a |
| 2013-12-24 | n/a (ISSUED (initial)) | BIS work permit for job 320857658: Alteration. Issued 2013-12-24, expires 2014-03-06. | ipu4-2q9a |
| 2004-07-07 | n/a (ISSUED (initial)) | BIS work permit for job 301766603: Equipment work / Fire suppression. Issued 2004-07-07, expires 2005-04-01. | ipu4-2q9a |
| 2003-04-04 | n/a (ISSUED (renewal)) | BIS work permit for job 301251053: Plumbing / Plumbing. Issued 2003-04-04, expires 2004-04-03. | ipu4-2q9a |
| 2002-03-25 | n/a (ISSUED (initial)) | BIS work permit for job 301251053: Plumbing / Plumbing. Issued 2002-03-25, expires 2003-03-25. | ipu4-2q9a |
| 2001-12-05 | n/a (ISSUED (initial)) | BIS work permit for job 301251053: Equipment work / Other / general construction. Issued 2001-12-05, expires 2002-12-05. | ipu4-2q9a |
| 1999-12-10 | n/a (ISSUED (initial)) | BIS work permit for job 300946065: Equipment work / Other / general construction. Issued 1999-12-10, expires 2000-05-01. | ipu4-2q9a |
| 1999-12-10 | n/a (ISSUED (initial)) | BIS work permit for job 300946065: Plumbing / Plumbing. Issued 1999-12-10, expires 2000-12-09. | 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.

No records found.

## 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 |
|---|---|---|---|
| 2013-03-11 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: ILLEGAL PLACEMENT OF STICKERS OR DECALS ON PUBLIC OR PRIVATE PROPERTY. Unpaid balance $500. Respondent defaulted (did not appear). | 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 |
|---|---|---|---|
| 2024-08-26 | closed (CLOSE) | HPD complaint (apt 4L): Unsanitary Condition – Pests. 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 |
| 2021-10-12 | closed (CLOSE) | HPD complaint (apt 4L): Water Leak – Heavy Flow. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2019-02-25 | closed (CLOSE) | HPD complaint (apt 4L): Heat/Hot Water – Apartment Only. 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 |
| 2019-01-11 | closed (CLOSE) | HPD complaint (apt 3R): Heat/Hot Water – Apartment Only. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2019-01-11 | closed (CLOSE) | HPD complaint (apt 3R): Paint/Plaster – Wall. 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 |
| 2026-09-26 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Hydrant. | erm2-nwe9 |
| 2026-09-24 | closed (Closed) | 311 request to DSNY: Graffiti – Graffiti. | erm2-nwe9 |
| 2026-07-21 | closed (Closed) | 311 request to DSNY: Graffiti – Graffiti. | erm2-nwe9 |

## 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 AMBROSINO EQUITIES LLC. | 64uk-42ks |
| 2013-05-16 | recorded | Grantee (buyer) on the most recent deed (DEED, 2013-05-16). | 636b-3b5g |
| 2026-08-20 | current_registration | HPD registration contact: HeadOfficer Antonio Ambrosino, business city Maspeth. | feu5-w2e2 |
| 2026-08-20 | current_registration | HPD registration contact: CorporateOwner (AMBROSINO EQUITIES LLC), business city Maspeth. | feu5-w2e2 |
| 2026-08-20 | current_registration | HPD registration contact: Agent Carmela Ambrosino (AMBROSINO EQUITIES LLC), business city Maspeth. | feu5-w2e2 |
| 2026-08-20 | current_registration | HPD registration contact: SiteManager Antonio Ambrosino. | 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/3032200002