# 4810 Flatlands Avenue, Brooklyn, NY 11234

BBL 3078280032 · Block 7828 · Lot 32 · BIN 3217656  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/4810-flatlands-avenue-3078280032  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

4810 Flatlands Avenue (Brooklyn, NY 11234; tax lot BBL 3078280032) is a 4-unit walk-up apartment building (building class C5: converted dwelling or rooming house), built around 1940, on a 5,040 sq ft lot zoned R3-2. City tax records list the owner as LOUIS, MARVENS; the most recent deed with a stated price is dated October 31, 2006 at $650,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $664,000. As of October 31, 2026, NYC Open Data shows two active DOB violations and five active ECB violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “4810 Flatlands Avenue, Brooklyn, NY 11234 (BBL 3078280032)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/4810-flatlands-avenue-3078280032. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 2 |
| Active ECB violations | 5 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: LOUIS, MARVENS
- Building class: C5 – Converted dwelling or rooming house
- Year built: 1940
- Floors: 1
- Units: 4 residential / 4 total
- Lot area: 5,040 sq ft · Building area: 2,181 sq ft
- Zoning: R3-2
- 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 $664,000, assessed value $298,800, 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 |
|---|---|---|---|
| 2018-04-03 | recorded (DEED) | DEED dated 2018-04-03 from LOUIS, GERALD to LOUIS, MARVENS, no price stated ($0). | bnx9-e6tj |
| 2006-10-31 | recorded (DEED) | DEED dated 2006-10-31 from LOUIS, NADIA; VICTOR DALLEMAND, DANIEL JEAN to LOUIS, GERALD, stated price $650,000. | bnx9-e6tj |
| 2005-03-11 | recorded (DEED) | DEED dated 2005-03-11 from JODEL-LOUIS, JEAN to LOUIS, NADIA, stated price $1. | bnx9-e6tj |
| 1997-11-14 | recorded (DEED) | DEED dated 1997-11-14 from LEE, LI FUN TONG to JODEL, JEAN; DALLEMAND, DANIEL JEAN VICTOR, no price stated ($0). | bnx9-e6tj |
| 1992-04-16 | recorded (DEED) | DEED dated 1992-04-16 from LEE, CHI KWAN; LEE, LI FUN TONG to LEE, LI FUN TONG, no price stated ($0). | bnx9-e6tj |
| 1985-11-05 | recorded (DEED) | DEED dated 1985-11-05 from TSE, LYDIA M; CHAN, STEVEN; CHIA, ROBERTO; CHAN, YUK SAU to LEE, LI FUN TONG; LEE, CHI KWAN, no price stated ($0). | bnx9-e6tj |
| 1985-09-09 | recorded (DEED) | DEED dated 1985-09-09 from BLEICHER, ROSALIND to CHAN, YUK SAU; CHIA, ROBERTO; CHAN, STEVEN; TSE, LYDIA MOY, 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 |
|---|---|---|---|
| 2011-01-28 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE): FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2010-12-15 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE): FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2009-10-02 | open (violation status ACTIVE; hearing status WRITTEN OFF) | ECB (DOB) violation, class - 1: RESIDENCE ALTERED FOR OCCUPANCY AS A DWELLING FOR MORE THAN THE LEGALLY APPROVED # OF FAMILIES BUILDING IS A LEGAL 2 FAMILY. CELLAR HAD BEENILLEGAL CONVERTED INTO 3 SINGLE ROOMS WITH KITCHEN & STOVE 3PC BATHROO. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: penalty written off (the city stopped trying to collect the fine; this does not mean the condition was corrected). | 6bgk-3dad |
| 2009-11-12 | open (violation status ACTIVE; hearing status WRITTEN OFF) | ECB (DOB) violation, class - 1: SEC 28-209.2 FAILURE TO COMPLY W/COMMISSIONER'S VACATE ORDER#314/09 ISSUED 10-2-09 CELLAR APT & SRO'S STILL OCCUPIED @ TIME OF VISIT.REM:COMPLY WITH VACATE ORDER.. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: penalty written off (the city stopped trying to collect the fine; this does not mean the condition was corrected). | 6bgk-3dad |
| 2009-10-02 | open (violation status ACTIVE; hearing status WRITTEN OFF) | ECB (DOB) violation, class - 1: OCCUPANCY CONTRARY TO THAT ALLOWED BY THE CERT OF OCCUPANCY #130399 BLDG IS A LEGAL TWO FAMILY CELLAR IS BEING OCCUPIED AS 3 SINGLE ROOM CLASS A APT W/ KTCN STOVE 3PC BTRM REM: DISCONTINUE ILLEGAL USE OR AMEND. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: penalty written off (the city stopped trying to collect the fine; this does not mean the condition was corrected). | 6bgk-3dad |
| 2010-04-16 | open (violation status ACTIVE; hearing status WRITTEN OFF) | ECB (DOB) violation, class - 2: FAILURE TO FILE CERTIFICATE OF CORRECTION WITH DOB PURSUANT TO 28-204.2 FOR VIOLATION # 348075165. SINGLE ROOM CLASS "A" APT. @ CELLAR. REM:FILE C OF C.. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: penalty written off (the city stopped trying to collect the fine; this does not mean the condition was corrected). | 6bgk-3dad |
| 2009-10-02 | open (violation status ACTIVE; hearing status WRITTEN OFF) | ECB (DOB) violation, class - 1: WORK W/O A PERMIT WORK NOTED IN THAT CELLAR HAD BEEN CONVERTED INTO A CLASS A APT 3 SINGLE ROOMS KTCN W/ STOVE 3PC BTRM ALL WORK DONE W/O APPROVALS AND PERMITS REM: OBTAIN APPROVALS AND PERMITS OR RESTORE TO PR. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: penalty written off (the city stopped trying to collect the fine; this does not mean the condition was corrected). | 6bgk-3dad |

## 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.

No records found.

## 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 LOUIS, MARVENS. | 64uk-42ks |
| 2018-04-03 | recorded | Grantee (buyer) on the most recent deed (DEED, 2018-04-03). | 636b-3b5g |

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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/3078280032