# 724 Knickerbocker Avenue, Brooklyn, NY 11221

BBL 3033910035 · Block 3391 · Lot 35 · BIN 3077998  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/724-knickerbocker-avenue-3033910035  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-06

## Summary

724 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033910035) is a 6-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 1910, on a 2,600 sq ft lot zoned R6. City tax records list the owner as HERANDEZ, CECILIA; the most recent deed with a stated price is dated June 2, 2003 at $313,500 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $1,338,000. As of November 6, 2026, NYC Open Data shows two active DOB violations, eight open HPD violations and four OATH tickets with an unpaid balance. There were no 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, “724 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033910035)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/724-knickerbocker-avenue-3033910035. Source: NYC Open Data.

## Neighborhood

Bedford-Stuyvesant (East): https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bedford-stuyvesant-east

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

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 2 |
| Active ECB violations | 0 |
| Open HPD violations | 8 |
| OATH tickets with unpaid balance | 4 |

## Lot & building

- Owner of record: HERANDEZ, CECILIA
- Building class: C2 – Walk-up apartments, five or six families
- Year built: 1910
- Floors: 3
- Units: 6 residential / 6 total
- Lot area: 2,600 sq ft · Building area: 5,850 sq ft
- Zoning: R6
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-07

## Tax assessment

- Tax year 2027 (final roll): market value $1,338,000, assessed value $602,100, tax class 2A
- 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 |
|---|---|---|---|
| 2003-06-02 | recorded (DEEDO) | DEEDO dated 2003-06-02 from HERNANDEZ, CECILIA to MOSES, PRISCILLA, stated price $313,500. | bnx9-e6tj |
| 2003-06-02 | recorded (DEEDO) | DEEDO dated 2003-06-02 from MOSES, PRISCILLA to MATEO, ROBERTO, stated price $575,000. | bnx9-e6tj |
| 1995-10-03 | recorded (DEED) | DEED dated 1995-10-03 from HERNANDEZ, HERIBERTO to HERANDEZ, CECILIA, no price stated ($0). | bnx9-e6tj |
| 1984-12-04 | recorded (DEED) | DEED dated 1984-12-04 from CANDELARIO, ESPERANZA; CANDELARIO, JUAN to HERNANDEZ, HERIBERTO, no price stated ($0). | bnx9-e6tj |
| 1979-06-14 | recorded (DEED) | DEED dated 1979-06-14 from COMMISSIONER OF FINANCE OF THE CITY OF NEW YORK; COMMISSIONER OF FINANCEOF THE CITY OF NEW YORK; DEPT OF FINANCE OF THE CITY OF NY; FINANCE ADMINISTRATION; COMMISSIONER OF FINANCE OF THE CITY OFNEW YORK; COMMISSONER OF FINANCE OF THE CITY OF NEW YORK; COMM OF FINANCE OF THE CITY OF NEW YORK; FINANCE ADMIMINISTRATION; COMM OF FINANCE OF THE CITY OF NY; FINANCE ADMIN; COMMISSIONER OF FINANCE; COMMISSOINER OF FINANCE OF THE CITY OF NEW YORK; COMMISSIONER FINANCE OF THE CITY OF NY; COMMISSIONER OF FINANCE OF THE CITY NEW YORK; COMMISSIONER OF FINANCE OF THE CITY O FNEW YORK; COMMISSIONER OF FINANCE OF THE CITY OF NEWYORK to CITY OF N Y; THE CITY  OF NEW YORK; THE CITY OFNEW YORK; THE CITY OF NY; CITY OF NY; THE CITY OF NEW YORK; CITY NY, no price stated ($0) for a deed covering 2251 lots. | bnx9-e6tj |
| 1966-06-20 | recorded (DEED) | DEED dated 1966-06-20 from FERRONE MICHAEL T to CANDELARIO JUAN; CANDELARIO ESPERANZA, no price stated ($0). | bnx9-e6tj |
| 1966-05-11 | recorded (DEED) | DEED dated 1966-05-11 from EILONE REALTY CORP to FERRONE MICHAEL T, no price stated ($0). | bnx9-e6tj |
| 1966-05-11 | recorded (DEED) | DEED dated 1966-05-11 from LEO JOHN; LEO JOSEPH to EILONE REALTY CORP, 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).

No records found.

## 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 |
|---|---|---|---|
| 2023-04-25 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2005-01-31 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2026-05-05 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2025-11-19 | open (Info Nov Sent Out) | HPD class I violation (Class I): §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMIS…. Open — not recorded as corrected. | wvxf-dwi5 |
| 2025-06-10 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-04-10 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-23 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2022-02-25 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2021-04-09 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-02-04 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE MORTISE LOCK AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY. 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 |
|---|---|---|---|
| 2025-07-23 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST. Unpaid balance $600. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-07-23 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENT-DEBRIS,VEGETATION 1ST. Unpaid balance $600. Respondent defaulted (did not appear). | jz4z-kudi |
| 2021-11-16 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST. Unpaid balance $600. Respondent defaulted (did not appear). | jz4z-kudi |
| 2021-11-16 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENT-DEBRIS,VEGETATION 1ST. Unpaid balance $600. 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 |
|---|---|---|---|
| 2024-01-18 | closed (CLOSE) | HPD complaint (apt BLDG): 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 |
| 2022-01-12 | 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 |
| 2021-01-25 | closed (CLOSE) | HPD complaint (apt 1FL): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2019-12-01 | 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 |
| 2019-01-31 | closed (CLOSE) | HPD complaint (apt 1L): 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 |

## 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 HERANDEZ, CECILIA. | 64uk-42ks |
| 2003-06-02 | recorded | Grantee (buyer) on the most recent deed (DEEDO, 2003-06-02). | 636b-3b5g |
| 2024-11-20 | expired_registration | HPD registration contact: SiteManager Roberto Mateo. | feu5-w2e2 |
| 2024-11-20 | expired_registration | HPD registration contact: IndividualOwner Roberto Mateo, 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/3033910035