# 522 Classon Avenue, Brooklyn, NY 11238

BBL 3019930036 · Block 1993 · Lot 36 · BIN 3390218  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/522-classon-avenue-3019930036  
Last updated: 2026-11-06 · Open-item counts as of 2026-11-06

## Summary

522 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3019930036) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 2005, on a 1,767 sq ft lot zoned R7A. City tax records list the owner as NDI MADUAKO, AS TRUSTEE; the most recent deed with a stated price is dated November 16, 2006 at $950,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $2,620,000. As of November 6, 2026, NYC Open Data shows 11 open HPD violations and 18 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, “522 Classon Avenue, Brooklyn, NY 11238 (BBL 3019930036)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/522-classon-avenue-3019930036. Source: NYC Open Data.

## Neighborhood

Prospect Heights: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights

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

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 11 |
| OATH tickets with unpaid balance | 18 |

## Lot & building

- Owner of record: NDI MADUAKO, AS TRUSTEE
- Building class: C0 – Three-family walk-up
- Year built: 2005
- Floors: 3
- Units: 3 residential / 3 total
- Lot area: 1,767 sq ft · Building area: 3,360 sq ft
- Zoning: R7A
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-06

## Tax assessment

- Tax year 2027 (final roll): market value $2,620,000, assessed value $157,200, tax class 1
- 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 |
|---|---|---|---|
| 2025-07-21 | recorded (DEED) | DEED dated 2025-07-21 from MADUAKO, ANTHONY; MADUAKO, NDI JOHNNIE to MADUAKO FAMILY TRUST; CHUKWUKA MADUAKO, AS TRUSTEE; NDI MADUAKO, AS TRUSTEE; IKENNA MADUAKO, AS TRUSTEE, no price stated ($0). | bnx9-e6tj |
| 2019-03-18 | recorded (DEED) | DEED dated 2019-03-18 from 522 CLASSON AVENUE INC to MADUAKO, NDI JOHNNIE; MADUAKO, ANTHONY, no price stated ($0). | bnx9-e6tj |
| 2015-11-25 | recorded (DEED) | DEED dated 2015-11-25 from MADUAKO, ANTHONY to 522 CLASSON AVENUE, INC, no price stated ($0). | bnx9-e6tj |
| 2006-11-16 | recorded (DEEDO) | DEEDO dated 2006-11-16 from 522 CLASSON AVENUE CORP. to MADUAKO, ANTHONY, stated price $950,000. | bnx9-e6tj |
| 2004-01-05 | recorded (DEEDO) | DEEDO dated 2004-01-05 from CRANDLE, STEPHEN G to 522 CLASSON AVENUE CORP., stated price $40,000. | bnx9-e6tj |
| 1980-12-14 | recorded (DEEDO) | DEEDO dated 1980-12-14 from THE CITY OF NEW YORK to CRANDLE, STEPHEN G, stated price $150. | 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 |
|---|---|---|---|
| 2006-06-21 | n/a (ISSUED (renewal)) | BIS work permit for job 301991334: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2006-06-21, expires 2006-12-31. | ipu4-2q9a |
| 2006-05-24 | n/a (ISSUED (renewal)) | BIS work permit for job 301991334: Plumbing / Plumbing. Issued 2006-05-24, expires 2007-05-24. | ipu4-2q9a |
| 2006-03-16 | n/a (ISSUED (renewal)) | BIS work permit for job 301991334: New building. Issued 2006-03-16, expires 2007-02-01. | ipu4-2q9a |
| 2005-11-14 | n/a (ISSUED (initial)) | BIS work permit for job 301991334: Plumbing / Plumbing. Issued 2005-11-14, expires 2006-11-14. | ipu4-2q9a |
| 2005-09-22 | n/a (ISSUED (initial)) | BIS work permit for job 301991334: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2005-09-22, expires 2005-12-31. | ipu4-2q9a |
| 2005-09-22 | n/a (ISSUED (initial)) | BIS work permit for job 301991334: New building. Issued 2005-09-22, expires 2006-03-15. | 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 |
|---|---|---|---|
| 2026-05-08 | 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 |
| 2019-09-23 | open (First No Access To Re- Inspect Violation) | HPD class B violation (Class B) in apt 1: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 2 .SQF AT CEILING IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 13085750 ISSUED 22-MAY-19 HAS B…. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-09-23 | open (First No Access To Re- Inspect Violation) | HPD class B violation (Class B) in apt 1: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 2.SQF AT CEILING IN THE 2nd BATHROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 13085833 ISSUED 22-MAY-19 HAS BE…. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 1: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE WEST WALL IN THE 2nd ROOM FROM EAST AT SOUTH LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 1: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 1: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE CEILING IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 1: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 1: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 1: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE WEST WALL IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 1: § 27-2026 ADM CODE RESET, SO AS TO SECURE A PROPER AND TIGHT CONNECTION, THE WATER CLOSET BOWL .. IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-24 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 1: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING ARROUND BATHTUB IN THE 2nd BATHROOM FROM EAST LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. 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 |
|---|---|---|---|
| 2026-06-20 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $80. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-03-24 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-03-11 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-01-07 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-11-26 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-11-12 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-09-24 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-06-16 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-05-30 | 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 |
| 2025-01-07 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-12-04 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-10-11 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS. Unpaid balance $25. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-08-06 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-02-23 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-12-20 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-09-14 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2022-05-23 | 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 |
| 2018-12-15 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-09-04 | pending (NEW ISSUANCE) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. 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 |
|---|---|---|---|
| 2019-05-02 | closed (CLOSE) | HPD complaint (apt 1): Appliance – Refrigerator; Plumbing – Basin/Sink; Plumbing – Toilet; Flooring/Stairs – Floor; Appliance – Electric/Gas Range. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | 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 NDI MADUAKO, AS TRUSTEE. | 64uk-42ks |
| 2025-07-21 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-07-21). | 636b-3b5g |
| 2025-07-21 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-07-21). | 636b-3b5g |
| 2025-07-21 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-07-21). | 636b-3b5g |
| 2025-07-21 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-07-21). | 636b-3b5g |
| 2025-08-25 | expired_registration | HPD registration contact: JointOwner Anthony Maduako, business city Waxhaw. | feu5-w2e2 |
| 2025-08-25 | expired_registration | HPD registration contact: Agent Shakir Badmus, business city Brooklyn. | feu5-w2e2 |
| 2025-08-25 | expired_registration | HPD registration contact: SiteManager Shakir Badmus. | feu5-w2e2 |
| 2025-08-25 | expired_registration | HPD registration contact: JointOwner Ndi Maduako, business city Waxhaw. | 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/3019930036