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520a Christopher Avenue, Brooklyn, NY 11212

BBL 3038450040 (Borough 3, Block 3845, Lot 40) · BIN 3398041 · Last updated:

Summary · as of October 31, 2026

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 October 31, 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.)

Owner of record
NDEFFO, ALDARIC
Building class
B1 · Two-family home, brick
Year built · units
2016 · 2 res.
Lot area · zoning
2,000 sq ft · R6
Market value (DOF)
$2,465,000 FY2027
Last priced deed
$715,000 · 2016-04-01
BBL
3038450040
BIN
3398041

How to cite: NYC Property Facts, “520a Christopher Avenue, Brooklyn, NY 11212 (BBL 3038450040)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/520a-christopher-avenue-3038450040. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
NDEFFO, ALDARICThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B1 – Two-family home, brickThe Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
2016Often an estimate for older buildings.
Floors
4
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
4,400 sq ft
Zoning
R6The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.20 built / 2.43 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3038450040 (Borough 3, Block 3845, Lot 40) · BIN 3398041BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-04; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$2,465,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$147,900The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$53,237Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,465,000$147,9001
2026Final$1,953,000$117,1801
2025Final$1,543,000$92,5801

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-04

Sales & deed history 7

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2016-04-01DEED$715,000C & Developers LlcNdeffo, Aldaric2016041400913001
2011-09-14DEED$66,000Walker, JeanetteC & A Developers Llc2011092201192001
1999-01-04DEED$0 / not statedWalker, SeymourWalker, JeanetteFT_3870006768387
1981-11-05DEED$0 / not statedJohnson JuliusWalker SeymourBK_8130127600351
1980-04-21DEED$0 / not statedSecy Of Housing & Urban DvlptJohnson JuliusBK_8030115400866
1972-03-13DEED$0 / not statedFirst Savs & Loan Assn Of Jersey City NjSecretary Of Housing & Urban DevelopmentBK_7230054400221
1971-05-26DEED$0 / not statedHuggins Charles Defts Etal; Tarnoff Jerome RefereeFirst Savs & Loan AssnBK_7130048400733

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-04

DOB job filings 1 open of 4

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2023-07-10
340891814
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2023-06-14$24,742
Not open
SIGNED OFF · 2016-03-07
320690356
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2012-12-12$1,000
Not open
SIGNED OFF · 2015-08-25
320505128
BIS
A3 – Minor alteration (one type of work)2012-07-05—
Not open
SIGNED OFF · 2016-03-14
320492935
BIS
NB – New building2012-06-13—

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-04; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 10

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2023-07-102023-12-11340891814
BIS
Equipment work / Other / general constructionISSUED (initial)
2016-02-032016-10-10320492935
BIS
New buildingISSUED (renewal)
2014-11-192015-11-19320492935
BIS
Plumbing / PlumbingISSUED (renewal)
2014-11-192015-11-19320690356
BIS
Equipment work / SprinklerISSUED (renewal)
2014-01-222015-01-04320492935
BIS
New buildingISSUED (renewal)
2014-01-222015-01-04320492935
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (renewal)
2013-05-092014-05-09320690356
BIS
Equipment work / SprinklerISSUED (initial)
2013-05-092014-05-09320492935
BIS
Plumbing / PlumbingISSUED (initial)
2013-02-122014-01-04320492935
BIS
New buildingISSUED (initial)
2013-02-122014-01-04320492935
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-04; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 0

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-04

ECB violations (DOB) 0 active of 2

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2018-03-03CLASS - 2OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O AND DEPARTMENT OF BUILDINGS RECORDS. BASEMENT ILLEGALLY CONVERTED INTO CLASS "A" APARTMENT. UNLAWFUL GAS RANGE AND KITCHEN SINK PRESENT. ALSO, DUPLEX APARTMENT AT 2N$0 / $0 / $035242661R
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2014-06-17CLASS - 2PERMIT HOLDER FAILED TO PROVIDE ACCESS. OBSERVED GATE CHAINED / PADLOCKED FROM INSIDE. ACTIVITY INSIDE THE BLDG I CALLED OUT TO A WORKER WHOLOOKED OUT FROM 2ND FL WINDOW ( I ANNOUNCED THAT I AM DEPT OF BLDG INS$1,000 / $1,000 / $035089303Z

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-04

OATH tickets (all agencies) 0 unpaid of 18

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
No balance due Default
PAID IN FULL · DEFAULTED
2026-04-30Sanitation OthersIMPROPER RECEPTACLES 1ST OCCURRENCENDEFFO ALDARIC$80 / $80 / $0049685179J
No balance due
PAID IN FULL
2026-03-30Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCENDEFFO ALDARIC$50 / $50 / $0049679574Z
No balance due
PAID IN FULL
2026-03-27Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCENDEFFO ALDARIC$50 / $50 / $0049679554L
No balance due
PAID IN FULL
2026-03-25Dos - Enforcement AgentsIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCENDEFFO ALDARIC$50 / $50 / $0049543512K
No balance due
PAID IN FULL
2026-03-12Sanitation OthersSPILLAGE FROM A RECEPTACLE 1ST OFFENSENDEFFO ALDARIC$100 / $100 / $0049679465J
No balance due
PAID IN FULL
2025-02-03Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STNDEFFO ALDARIC$50 / $50 / $0048937484H
No balance due
PAID IN FULL
2022-01-19Sanitation OthersNON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION 1TO8 DWELLING UNITSNDEFFO ALDARIC$25 / $25 / $0047395021L
No balance due
PAID IN FULL · IN VIOLATION
2022-01-19Sanitation OthersLOOSE RUBBISH 1ST OCCURRENCENDEFFO ALDARIC$50 / $50 / $0047379983M
No balance due
PAID IN FULL
2021-06-02Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSNDEFFO ALDARIC$25 / $25 / $0047140980M
No balance due
PAID IN FULL
2019-01-23Sanitation OthersIMPROPER DISPOSAL BEDDING 1ST OFFENSENDEFFO$100 / $100 / $00206486253
No balance due
PAID IN FULL
2019-01-19Sanitation OthersUNCOVERED RECEPTACLES 1ST OFFENSENDEFFO$100 / $100 / $00206486648
No balance due
HEARING COMPLETED · DISMISSED
2018-03-03Dept. Of BuildingsOCCUPANCY CONTRARY TO THAT ALLOWED BY CERT OF OCCUP OR BUILDING DEPTNDEFFO$0 / $0 / $0035242661R

Showing 12 of 18 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-04

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

HPD building ID
971491
Last registered
2026-09-16
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
SitemanagerAldaric Ndeffo
IndividualownerAldaric NdeffoBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04

HPD housing-code violations 14 open of 20

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Open
Nov Sent Out · 2019-02-05
B2019-02-052§ 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
Nov Sent Out · 2019-02-05
B2019-02-052§ 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
Nov Sent Out · 2019-02-05
B2019-02-052§ 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
Nov Sent Out · 2019-02-05
B2019-02-052§ 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
Nov Sent Out · 2019-01-31
A2019-01-312§ 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
Invalid Certification · 2018-03-22
B2018-03-12§ 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
Invalid Certification · 2018-03-22
B2018-03-12§ 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
Invalid Certification · 2018-03-22
B2018-03-12§ 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
Nov Sent Out · 2017-07-17
B2017-07-172§ 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
Nov Sent Out · 2017-07-17
B2017-07-172§ 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
Nov Sent Out · 2017-07-17
B2017-07-172§ 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
Nov Sent Out · 2017-07-17
B2017-07-172§ 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
Nov Sent Out · 2017-07-17
B2017-07-172§ 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
Nov Sent Out · 2017-07-17
B2017-07-172§ 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
Closed
Violation Dismissed · 2021-07-29
I2021-04-22§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 PREMISE
Closed
Violation Dismissed · 2018-06-18
B2018-03-092§ 27-2077 ADM CODE - DISCONTINUE THE ROOMING UNIT TOTAL 4 B ROOMS LOCATED AT APT 2 UPPER LEVEL, 2nd STORY
Closed
Violation Dismissed · 2018-06-18
B2018-03-092§ 27-2077 ADM CODE - DISCONTINUE THE ROOMING UNIT TOTAL OF 4 B-ROOM CREATED LOCATED AT APT 2, 2nd STORY
Closed
Violation Dismissed · 2018-03-29
I2018-03-08§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 PREMISE
Closed
Violation Dismissed · 2018-06-18
B2018-03-082§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE KITCHEN LOCATED AT APT 2, 2nd STORY
Closed
Violation Dismissed · 2018-05-29
C2018-03-082§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK CONCEALED AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 2, 2nd STORY

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-04

HPD complaints 2

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

ReceivedStatusAptProblem(s)Outcome
2021-08-22CLOSETOPFLOWater Leak – Heavy FlowThe Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.
2019-01-25CLOSE2Water Leak – Slow LeakThe Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-04

311 requests (last 12 months) 0

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-04; data as of 2026-11-04

Nearby properties

On Christopher Ave

Same tax block (3845)

All properties on Christopher Ave, Brooklyn · All of Brooklyn 11212 (Brownsville)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs