# 421 Classon Avenue, Brooklyn, NY 11238

BBL 3019700007 · Block 1970 · Lot 7 · BIN 3056408  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/421-classon-avenue-3019700007  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

Also recorded as: 4213 Classon Ave

## Summary

421 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3019700007) is a 6-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 1930, on a 4,000 sq ft lot zoned R6B. City tax records list the owner as THE L.P. MORGAN LLC. The Department of Finance's final market value for tax year 2027 is $3,329,000. As of October 31, 2026, NYC Open Data shows one active DOB violation, 31 open HPD violations and seven OATH tickets with an unpaid balance. There was one 311 request in the past 12 months and two 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, “421 Classon Avenue, Brooklyn, NY 11238 (BBL 3019700007)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/421-classon-avenue-3019700007. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 1 |
| Active ECB violations | 0 |
| Open HPD violations | 31 |
| OATH tickets with unpaid balance | 7 |

## Lot & building

- Owner of record: THE L.P. MORGAN LLC
- Building class: C2 – Walk-up apartments, five or six families
- Year built: 1930
- Floors: 3
- Units: 6 residential / 6 total
- Lot area: 4,000 sq ft · Building area: 13,600 sq ft
- Zoning: R6B
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-01

## Tax assessment

- Tax year 2027 (final roll): market value $3,329,000, assessed value $1,498,050, 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 |
|---|---|---|---|
| 2004-12-01 | recorded (DEED) | DEED dated 2004-12-01 from SCHWARTZ (DECEASED), MOSES; SCHWARTZ, OLGA to THE L.P. MORGAN LLC, no price stated ($0). | bnx9-e6tj |
| 1999-01-22 | recorded (DEED) | DEED dated 1999-01-22 from LANROSE REALTY CORP to SCHWARTZ, MOSES; SCHWARTZ, OLGA, no price stated ($0). | bnx9-e6tj |
| 1966-02-24 | recorded (DEED) | DEED dated 1966-02-24 from 421 CLASSON AVE REALTY CORP to LAUROSE 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).

| Date | Status | Description | Source |
|---|---|---|---|
| 2008-05-05 | n/a (ISSUED (initial)) | BIS work permit for job 301099371: Plumbing / Plumbing. Issued 2008-05-05, expires 2009-05-05. | ipu4-2q9a |
| 2001-06-11 | n/a (ISSUED (initial)) | BIS work permit for job 301099371: Equipment work / Sprinkler. Issued 2001-06-11, expires 2002-06-11. | ipu4-2q9a |
| 2001-02-12 | n/a (ISSUED (initial)) | BIS work permit for job 300919932: Plumbing / Plumbing. Issued 2001-02-12, expires 2002-02-12. | ipu4-2q9a |
| 2001-01-16 | n/a (ISSUED (renewal)) | BIS work permit for job 300919932: Alteration. Issued 2001-01-16, expires 2002-01-26. | ipu4-2q9a |
| 2000-11-28 | n/a (ISSUED (initial)) | BIS work permit for job 300919932: Alteration. Issued 2000-11-28, expires 2001-01-26. | 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 |
|---|---|---|---|
| 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 |
| 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 |
| 2023-07-06 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM MISSING AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES FLOWER POTS AT WEST STACK BUILDING FRONT AT FIRE ESCAPE, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | open (Nov Sent Out) | 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.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | open (Nov Sent Out) | 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 MISSING AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF MULTIPLE BICYCLE AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | open (Nov Sent Out) | HPD class A violation (Class A): § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | 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 AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2023-07-06 | open (Nov Sent Out) | 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 |
| 2023-07-06 | 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 |
| 2023-07-06 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AND BICYCLE AT PUBLIC HALL, 2nd STORY. 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 (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 |
| 2022-02-23 | 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 |
| 2021-04-07 | 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 |
| 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 |
| 2019-10-29 | 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 |
| 2018-10-16 | 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 |
| 2017-11-20 | 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 |
| 2015-09-14 | open (Nov Sent Out) | HPD class B violation (Class B): SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF AIR CONDITIONERS WITHOUT PROPER SUPPORT BRACKETS AT BUILDING FRONT ALL STORIES. Open — not recorded as corrected. | wvxf-dwi5 |
| 2015-09-11 | open (Nov Sent Out) | HPD class B violation (Class B): SECTION 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF FLOWER POTS AT 2ND STORY BALCONY AT BUILDING FRONT. Open — not recorded as corrected. | wvxf-dwi5 |
| 2012-04-25 | open (Nov Sent Out) | HPD class B violation (Class B) in apt TOPFL: SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT TOPFL, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2012-04-25 | open (Nov Sent Out) | HPD class B violation (Class B) in apt TOPFL: SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND EAST WALL IN THE KITCHEN LOCATED AT APT TOPFL, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2012-04-25 | open (Nov Sent Out) | HPD class B violation (Class B) in apt TOPFL: SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT TOPFL, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2012-04-25 | open (Nov Sent Out) | HPD class B violation (Class B) in apt TOPFL: SECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING FOUR WINDOW EYEBROW TRANSOM GLASS PANES IN THE ENTIRE APARTMENT LOCATED AT APT TOPFL, 3rd 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 |
|---|---|---|---|
| 2024-05-21 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-04-22 | 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 |
| 2023-05-31 | 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 |
| 2023-05-31 | 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 |
| 2021-06-29 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENT-DEBRIS,VEGETATION 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2020-04-19 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLES 1ST OFFENSE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2020-02-15 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS. Unpaid balance $18. 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 |
|---|---|---|---|
| 2025-12-23 | closed (CLOSE) | HPD complaint (apt 5): Appliance – Refrigerator. An HPD Inspector was not able to gain access to inspect this complaint. The Inspector left a card at the time of the inspection and a letter was sent from HPD after the inspection attempt to encourag… | ygpa-z7cr |
| 2023-03-20 | closed (CLOSE) | HPD complaint (apt BLDG): Door/Window – Door. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2025-12-23 | closed (Closed) | 311 request to HPD: APPLIANCE – REFRIGERATOR. | 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 THE L.P. MORGAN LLC. | 64uk-42ks |
| 2004-12-01 | recorded | Grantee (buyer) on the most recent deed (DEED, 2004-12-01). | 636b-3b5g |
| 2016-08-03 | expired_registration | HPD registration contact: Officer William Schwartz, business city Brooklyn. | feu5-w2e2 |
| 2016-08-03 | expired_registration | HPD registration contact: Agent Samuel Schwartz, business city Brooklyn. | feu5-w2e2 |
| 2016-08-03 | expired_registration | HPD registration contact: CorporateOwner (THE LP MORGAN LLC), business city Brooklyn. | feu5-w2e2 |
| 2016-08-03 | expired_registration | HPD registration contact: HeadOfficer Samuel Schwartz, 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/3019700007