# 457 Classon Avenue, Brooklyn, NY 11238

BBL 3019850008 · Block 1985 · Lot 8 · BIN 3056959  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/457-classon-avenue-3019850008  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

457 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3019850008) is a 5-unit walk-up apartment building (building class C5: converted dwelling or rooming house), built around 1931, on a 1,600 sq ft lot zoned R6B. City tax records list the owner as LESTER E KNIGHT. The Department of Finance's final market value for tax year 2027 is $743,000. As of October 31, 2026, NYC Open Data shows seven active DOB violations, one active ECB violation, 20 open HPD violations and seven OATH tickets with an unpaid balance. There were 15 311 requests in the past 12 months and 23 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, “457 Classon Avenue, Brooklyn, NY 11238 (BBL 3019850008)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/457-classon-avenue-3019850008. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 7 |
| Active ECB violations | 1 |
| Open HPD violations | 20 |
| OATH tickets with unpaid balance | 7 |

## Lot & building

- Owner of record: LESTER E KNIGHT
- Building class: C5 – Converted dwelling or rooming house
- Year built: 1931
- Floors: 3
- Units: 5 residential / 5 total
- Lot area: 1,600 sq ft · Building area: 2,700 sq ft
- Zoning: R6B
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-02

## Tax assessment

- Tax year 2027 (final roll): market value $743,000, assessed value $334,350, 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 |
|---|---|---|---|
| 2001-02-28 | recorded (DEED) | DEED dated 2001-02-28 from KNIGHT, LESTER E to KNIGHT, LESTER E; KNIGHT, LESTER E/TRUSTEE; LESTER, KNIGHT REVOCABLE LIVING TRUST, no price stated ($0). | bnx9-e6tj |
| 1989-12-13 | recorded (DEED) | DEED dated 1989-12-13 from CHANDLER, JOSEPH to KNIGHT, LESTER, no price stated ($0). | bnx9-e6tj |
| 1982-06-22 | recorded (DEED) | DEED dated 1982-06-22 from GAYNELL REALTY CORP to CHANDLER, JOSEPH T., 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 |
|---|---|---|---|
| 2025-11-14 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2024-09-23 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2023-06-30 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2023-06-30 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2023-06-20 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 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 |
| 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 |
| 2024-12-16 | open (violation status ACTIVE; hearing status DEFAULT; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, class - 2: FAILURE TO FILE REQUIRED ANNUAL BOILER INSPECTION REPORTS FOR LOW-PRESSURE BOILER 30000069791Y0001 IN ACCORDANCE WITH THE RULES OF THE DEPARTMENT. 1RCNY 103-01(D)(1) REQUIRES THAT AN ANNUAL INSPECTION REPORT FO. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: default (the respondent did not appear; the penalty was imposed by default). Certification of correction: no compliance recorded. Balance due $3,125. | 6bgk-3dad |
| 2026-05-04 | 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 |
| 2025-11-20 | 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 |
| 2025-06-09 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-11-29 | 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 |
| 2024-04-09 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-11-22 | 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 |
| 2023-03-29 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE [ VESTIBULE DOOR ]AT BASEMENT AT PUBLIC HALL. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-29 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES AT COMMUNITY BATHROOM, 2nd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-29 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED FROM BASEMENT PUBLIC HALL TO CELLAR STAIRS AT BOILER ROOM. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-29 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED FROM BASEMENT PUBLIC HALL TO CELLAR STAIRS AT BOILER ROOM. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-29 | 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 |
| 2023-03-29 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT FRONT ENTRANCE TO BUILDING , 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-29 | open (Nov Sent Out) | HPD class C violation (Class C) in apt 6: § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE .. IN THE 1st ROOM FROM NORTH LOCATED AT B-ROOM 6, 2nd STORY, 1st B-ROOM FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-29 | 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. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-03-22 | 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 |
| 2022-11-14 | 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 |
| 2022-02-23 | 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 |
| 2022-02-23 | 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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2021-04-07 | 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 |
| 2018-03-22 | open (Not Complied With) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM ... AT BOILER ROOM, 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 |
|---|---|---|---|
| 2025-05-20 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE LOCAL LAW 111 REQUIRED. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-02-05 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 2ND. Unpaid balance $1,200. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-12-16 | open (DOCKETED · DEFAULTED) | OATH ticket from Dept. Of Buildings: FAILURE TO FILE COMPLETE BOILER INSPECTION REPORT. Unpaid balance $3,125. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-09-19 | 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 |
| 2024-04-26 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 2ND. Unpaid balance $1,200. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-05-19 | 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 |
| 2022-03-25 | 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 |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-10-21 | closed (CLOSE) | HPD complaint (apt 5): Electric – Power Outage. 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 |
| 2026-10-17 | 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 |
| 2026-03-02 | 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 |
| 2026-02-05 | 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 |
| 2026-02-04 | closed (CLOSE) | HPD complaint (apt 4): Heat/Hot Water – Apartment Only. HPD called the telephone number on file for this complaint. Someone at that number indicated that the condition was corrected. The complaint has been closed. Please submit a new service request with … | ygpa-z7cr |
| 2025-07-31 | closed (CLOSE) | HPD complaint (apt 5): Electric – Power Outage. 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 |
| 2025-07-01 | closed (CLOSE) | HPD complaint (apt 11): Electric – Power Outage. 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 |
| 2025-06-23 | closed (CLOSE) | HPD complaint (apt BLDG): Unsanitary Condition – Garbage/Recycling Storage. 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 |
| 2024-09-13 | closed (CLOSE) | HPD complaint (apt 5): Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2024-09-11 | closed (CLOSE) | HPD complaint (apt 5): Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2024-07-16 | closed (CLOSE) | HPD complaint (apt 5): Plumbing – Basin/Sink; Electric – Power Outage. The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new… | ygpa-z7cr |
| 2024-07-14 | closed (CLOSE) | HPD complaint (apt 5): Electric – No Lighting. The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new… | ygpa-z7cr |
| 2024-07-03 | closed (CLOSE) | HPD complaint (apt 5): Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2024-01-09 | 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 |
| 2023-04-03 | 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 |

Showing 15 of 38. Full list: https://nycpropertyfacts.com/api/v1/property/3019850008/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 LESTER E KNIGHT. | 64uk-42ks |
| 2001-02-28 | recorded | Grantee (buyer) on the most recent deed (DEED, 2001-02-28). | 636b-3b5g |
| 2001-02-28 | recorded | Grantee (buyer) on the most recent deed (DEED, 2001-02-28). | 636b-3b5g |
| 2001-02-28 | recorded | Grantee (buyer) on the most recent deed (DEED, 2001-02-28). | 636b-3b5g |
| 2020-10-23 | expired_registration | HPD registration contact: SiteManager Clive Knight. | feu5-w2e2 |
| 2020-10-23 | expired_registration | HPD registration contact: IndividualOwner Lester Knight, business city Brooklyn. | feu5-w2e2 |
| 2020-10-23 | expired_registration | HPD registration contact: Agent Clive Knight, 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/3019850008