# 305 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032200003 · Block 3220 · Lot 3 · BIN 3073201  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/305-knickerbocker-avenue-3032200003  
Last updated: 2026-11-08 · Open-item counts as of 2026-11-08

## Summary

305 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3032200003) 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 LIARDA, CONCETTA. The Department of Finance's final market value for tax year 2027 is $971,000. As of November 8, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off, three active DOB violations and four OATH tickets with an unpaid balance. There were no 311 requests in the past 12 months and one HPD complaint 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, “305 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3032200003)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/305-knickerbocker-avenue-3032200003. Source: NYC Open Data.

## Neighborhood

Bushwick (West): https://nycpropertyfacts.com/ny/brooklyn/11237

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11237/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11237/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11237/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11237/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11237/unpaid-oath-tickets

## ZIP

Brooklyn 11237: https://nycpropertyfacts.com/ny/brooklyn/11237

## Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

- 301 Knickerbocker Avenue (25 ft): https://nycpropertyfacts.com/ny/brooklyn/301-knickerbocker-avenue-3032200004
- 307 Knickerbocker Avenue (26 ft): https://nycpropertyfacts.com/ny/brooklyn/307-knickerbocker-avenue-3032200002
- 309 Knickerbocker Avenue (54 ft): https://nycpropertyfacts.com/ny/brooklyn/309-knickerbocker-avenue-3032200001
- 299 Knickerbocker Avenue (64 ft): https://nycpropertyfacts.com/ny/brooklyn/299-knickerbocker-avenue-3032200005
- 291 Knickerbocker Avenue (128 ft): https://nycpropertyfacts.com/ny/brooklyn/291-knickerbocker-avenue-3032200008
- 313 Knickerbocker Avenue (133 ft): https://nycpropertyfacts.com/ny/brooklyn/313-knickerbocker-avenue-3032360008
- 278 Suydam Street (126 ft): https://nycpropertyfacts.com/ny/brooklyn/278-suydam-street-3032200011
- 280 Suydam Street (145 ft): https://nycpropertyfacts.com/ny/brooklyn/280-suydam-street-3032200012

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 3 |
| Active DOB violations | 3 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 4 |

## Lot & building

- Owner of record: LIARDA, CONCETTA
- 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), city dataset updated 2026-08-24; last loaded 2026-11-08

## 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 |
|---|---|---|---|
| 2012-11-17 | recorded (DEED) | DEED dated 2012-11-17 from SALVATORE CORSO TRUST; MARGARET EL CHAMI, AS TRUSTEE to LIARDA, CONCETTA, no price stated ($0). | bnx9-e6tj |
| 2004-06-01 | recorded (DEED) | DEED dated 2004-06-01 from CORSO, JOSEPHINE to EL CHAMI, MARGARET, no price stated ($0). | bnx9-e6tj |
| 1974-06-07 | recorded (DEED) | DEED dated 1974-06-07 from PERARO NICOLINA to CORSO JOSEPHINE, no price stated ($0). | bnx9-e6tj |
| 1971-01-07 | recorded (DEED) | DEED dated 1971-01-07 from NOBILE V PETER to CORSO JOSEPHINE; DENARO NICOLINA, no price stated ($0). | bnx9-e6tj |
| 1967-03-13 | recorded (DEED) | DEED dated 1967-03-13 from SCHOTTENFELD ETHEL to NOBILE V PETER, no price stated ($0). | bnx9-e6tj |
| 1966-02-25 | recorded (DEED) | DEED dated 1966-02-25 from DE KALB MARDOY INC; DEKALB MARDAY INC to SCHOTTENFELD ETHEL; SCHATTENFELD ETHEL, no price stated ($0) for a deed covering 2 lots. | 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 |
|---|---|---|---|
| 2011-10-11 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 320380770 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED FOR REMEDIAL REPAIRS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE. NO ST… | ic3t-wcy2 |
| 2005-06-21 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 301967192 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALL NON-ILLUMINATED STOREFRONT BUSIN ESS AWNING- NO WORDING | ic3t-wcy2 |
| 2004-03-25 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 301768647 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. Interior renovation of existing store. Construction of new addition at rear of building. Installation of new storefront, new plumbing fixtures, and new HVAC unit. No change in use egress or occupancy. | ic3t-wcy2 |
| 2011-10-12 | n/a (ISSUED (initial)) | BIS work permit for job 320380770: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2011-10-12, expires 2012-05-04. | ipu4-2q9a |
| 2005-08-09 | n/a (ISSUED (initial)) | BIS work permit for job 301955908: Plumbing / Plumbing. Issued 2005-08-09, expires 2006-08-09. | ipu4-2q9a |
| 2005-08-05 | n/a (ISSUED (initial)) | BIS work permit for job 301967209: Sign. Issued 2005-08-05, expires 2006-06-30. | ipu4-2q9a |
| 2005-08-05 | n/a (ISSUED (initial)) | BIS work permit for job 301967192: Alteration / Other / general construction. Issued 2005-08-05, expires 2005-12-31. | ipu4-2q9a |
| 2005-07-11 | n/a (ISSUED (initial)) | BIS work permit for job 301955908: Equipment work / Fire suppression. Issued 2005-07-11, expires 2006-02-04. | ipu4-2q9a |
| 2005-04-19 | n/a (ISSUED (initial)) | BIS work permit for job 301897106: Plumbing / Plumbing. Issued 2005-04-19, expires 2006-04-19. | ipu4-2q9a |
| 2005-04-18 | n/a (ISSUED (initial)) | BIS work permit for job 301897106: Equipment work / Other / general construction. Issued 2005-04-18, expires 2005-08-01. | ipu4-2q9a |
| 2005-04-18 | n/a (ISSUED (initial)) | BIS work permit for job 301897106: Equipment work / Mechanical/HVAC. Issued 2005-04-18, expires 2005-08-01. | ipu4-2q9a |
| 2005-04-18 | n/a (ISSUED (initial)) | BIS work permit for job 301897106: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2005-04-18, expires 2005-08-01. | ipu4-2q9a |
| 2004-07-01 | n/a (ISSUED (initial)) | BIS work permit for job 301768647: Plumbing / Plumbing. Issued 2004-07-01, expires 2005-07-01. | ipu4-2q9a |
| 2004-04-26 | n/a (ISSUED (initial)) | BIS work permit for job 301768647: Equipment work / Other / general construction. Issued 2004-04-26, expires 2004-08-01. | ipu4-2q9a |
| 2004-04-26 | n/a (ISSUED (initial)) | BIS work permit for job 301768647: Equipment work / Mechanical/HVAC. Issued 2004-04-26, expires 2004-08-01. | ipu4-2q9a |
| 2004-04-26 | n/a (ISSUED (initial)) | BIS work permit for job 301768647: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2004-04-26, expires 2004-08-01. | 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 |
|---|---|---|---|
| 2015-10-01 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 1995-08-29 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). 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 |

## 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 |
|---|---|---|---|
| 2024-08-13 | open (DOCKETED · DEFAULTED) | OATH ticket from Fire Department Of Nyc: RECORDKEEPING. Unpaid balance $1,000. Respondent defaulted (did not appear). | jz4z-kudi |
| 2022-01-15 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: LOOSE RUBBISH 1ST OCCURRENCE. Unpaid balance $250. Respondent defaulted (did not appear). | jz4z-kudi |
| 2022-01-15 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: LOOSE RUBBISH 1ST OCCURRENCE. Unpaid balance $250. Respondent defaulted (did not appear). | jz4z-kudi |
| 2021-09-13 | open (DOCKETED · DEFAULTED) | OATH ticket from Fire Department Of Nyc: INSPECTION AND TESTING. Unpaid balance $1,000. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-10-13 | pending (NEW ISSUANCE) | OATH ticket from Sanitation Recycling: FAIL TO RECYCLE ORGANIC WASTE 1-8 DWELLING UNITS 1ST. 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 |
|---|---|---|---|
| 2024-07-24 | closed (CLOSE) | HPD complaint (apt 2L): Heat/Hot Water – Apartment Only. The Department of Housing Preservation and Development contacted an occupant of the apartment and verified that the following conditions were corrected. The complaint has been closed. If the conditio… | ygpa-z7cr |

## 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 LIARDA, CONCETTA. | 64uk-42ks |
| 2012-11-17 | recorded | Grantee (buyer) on the most recent deed (DEED, 2012-11-17). | 636b-3b5g |
| 2026-09-17 | current_registration | HPD registration contact: Agent Josephine Corso, business city Middle Village. | feu5-w2e2 |
| 2026-09-17 | current_registration | HPD registration contact: SiteManager Josephine Corso. | feu5-w2e2 |
| 2026-09-17 | current_registration | HPD registration contact: IndividualOwner Concetta Liarda, business city Elmhurst. | 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/3032200003