# 520a Christopher Avenue, Brooklyn, NY 11212

BBL 3038450040 · Block 3845 · Lot 40 · BIN 3398041  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/520a-christopher-avenue-3038450040  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-05

## Summary

520a Christopher Avenue (Brooklyn, NY 11212; tax lot BBL 3038450040) is a two-family home (building class B1: two-family home, brick), built around 2016, on a 2,000 sq ft lot zoned R6. City tax records list the owner as NDEFFO, ALDARIC; per ACRIS, a deed to this owner dated April 1, 2016 lists a price of $715,000. The Department of Finance's final market value for tax year 2027 is $2,465,000. As of November 5, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off and 14 open HPD violations. There were no 311 requests 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, “520a Christopher Avenue, Brooklyn, NY 11212 (BBL 3038450040)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/520a-christopher-avenue-3038450040. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 1 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 14 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: NDEFFO, ALDARIC
- Building class: B1 – Two-family home, brick
- Year built: 2016
- Floors: 4
- Units: 2 residential / 2 total
- Lot area: 2,000 sq ft · Building area: 4,400 sq ft
- Zoning: R6
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-05

## Tax assessment

- Tax year 2027 (final roll): market value $2,465,000, assessed value $147,900, 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 |
|---|---|---|---|
| 2016-04-01 | recorded (DEED) | DEED dated 2016-04-01 from C & DEVELOPERS LLC to NDEFFO, ALDARIC, stated price $715,000. | bnx9-e6tj |
| 2011-09-14 | recorded (DEED) | DEED dated 2011-09-14 from WALKER, JEANETTE to C & A DEVELOPERS LLC, stated price $66,000. | bnx9-e6tj |
| 1999-01-04 | recorded (DEED) | DEED dated 1999-01-04 from WALKER, SEYMOUR to WALKER, JEANETTE, no price stated ($0). | bnx9-e6tj |
| 1981-11-05 | recorded (DEED) | DEED dated 1981-11-05 from JOHNSON JULIUS to WALKER SEYMOUR, no price stated ($0). | bnx9-e6tj |
| 1980-04-21 | recorded (DEED) | DEED dated 1980-04-21 from SECY OF HOUSING & URBAN DVLPT to JOHNSON JULIUS, no price stated ($0). | bnx9-e6tj |
| 1972-03-13 | recorded (DEED) | DEED dated 1972-03-13 from FIRST SAVS & LOAN ASSN OF JERSEY CITY NJ to SECRETARY OF HOUSING & URBAN DEVELOPMENT, no price stated ($0). | bnx9-e6tj |
| 1971-05-26 | recorded (DEED) | DEED dated 1971-05-26 from HUGGINS CHARLES DEFTS ETAL; TARNOFF JEROME REFEREE to FIRST SAVS & LOAN ASSN, 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 |
|---|---|---|---|
| 2023-06-14 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 340891814 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALLATION OF SOLAR PANELS ON EXISTING ROOF. NO CHANGE IN USE, OCCUPANCY, OR EGRESS. NO CHANGE IN BULK. | ic3t-wcy2 |
| 2023-07-10 | n/a (ISSUED (initial)) | BIS work permit for job 340891814: Equipment work / Other / general construction. Issued 2023-07-10, expires 2023-12-11. | ipu4-2q9a |
| 2016-02-03 | n/a (ISSUED (renewal)) | BIS work permit for job 320492935: New building. Issued 2016-02-03, expires 2016-10-10. | ipu4-2q9a |
| 2014-11-19 | n/a (ISSUED (renewal)) | BIS work permit for job 320492935: Plumbing / Plumbing. Issued 2014-11-19, expires 2015-11-19. | ipu4-2q9a |
| 2014-11-19 | n/a (ISSUED (renewal)) | BIS work permit for job 320690356: Equipment work / Sprinkler. Issued 2014-11-19, expires 2015-11-19. | ipu4-2q9a |
| 2014-01-22 | n/a (ISSUED (renewal)) | BIS work permit for job 320492935: New building. Issued 2014-01-22, expires 2015-01-04. | ipu4-2q9a |
| 2014-01-22 | n/a (ISSUED (renewal)) | BIS work permit for job 320492935: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2014-01-22, expires 2015-01-04. | ipu4-2q9a |
| 2013-05-09 | n/a (ISSUED (initial)) | BIS work permit for job 320690356: Equipment work / Sprinkler. Issued 2013-05-09, expires 2014-05-09. | ipu4-2q9a |
| 2013-05-09 | n/a (ISSUED (initial)) | BIS work permit for job 320492935: Plumbing / Plumbing. Issued 2013-05-09, expires 2014-05-09. | ipu4-2q9a |
| 2013-02-12 | n/a (ISSUED (initial)) | BIS work permit for job 320492935: New building. Issued 2013-02-12, expires 2014-01-04. | ipu4-2q9a |
| 2013-02-12 | n/a (ISSUED (initial)) | BIS work permit for job 320492935: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2013-02-12, expires 2014-01-04. | 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 |
|---|---|---|---|
| 2019-02-05 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-02-05 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 2, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-02-05 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 2, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-02-05 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-01-31 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 2: § 27-2013 ADMIN. CODE: PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT CEILING IN THE KITCHEN LOCATED AT APT 2, 2nd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2018-03-12 | open (Invalid Certification) | HPD class B violation (Class B): § 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTIONS KITCHEN SINK AT ILLEGAL CLASS ''A'' APARTMENT, BEING OCCUPIED SEPARATELY AT BASEMENT FROM 1ST FLOOR APARTMENT. Open — not recorded as corrected. | wvxf-dwi5 |
| 2018-03-12 | open (Invalid Certification) | HPD class B violation (Class B): § 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2018-03-12 | open (Invalid Certification) | HPD class B violation (Class B): § 27-2073 ADM CODE - DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE GAS RANGE AT ILLEGAL CLASS ''A'' APARTMENT CREATED AT BASEMENT, AND OCCUPIED SEPARATELY FOR 1ST FLOOR APARTMENT. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-07-17 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT THE CEILING IN THE 1st BATHROOM FROM EAST LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-07-17 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT THE CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-07-17 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING AND EAST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-07-17 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT THE CEILING AND EAST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-07-17 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2017-07-17 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 2: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING IN THE 1st BATHROOM FROM EAST LOCATED AT APT 2 UPPER LEVEL, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST. 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.

No records found.

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

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

| Date | Status | Description | Source |
|---|---|---|---|
| 2021-08-22 | closed (CLOSE) | HPD complaint (apt TOPFLO): Water Leak – Heavy Flow. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2019-01-25 | closed (CLOSE) | HPD complaint (apt 2): Water Leak – Slow Leak. The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd | 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 NDEFFO, ALDARIC. | 64uk-42ks |
| 2016-04-01 | recorded | Grantee (buyer) on the most recent deed (DEED, 2016-04-01). | 636b-3b5g |
| 2026-09-16 | current_registration | HPD registration contact: SiteManager Aldaric Ndeffo. | feu5-w2e2 |
| 2026-09-16 | current_registration | HPD registration contact: IndividualOwner Aldaric Ndeffo, business city Brooklyn. | feu5-w2e2 |

---

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/3038450040