# 4024 Avenue U, Brooklyn, NY 11234

BBL 3085570048 · Block 8557 · Lot 48 · BIN 3242307  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/4024-avenue-u-3085570048  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

4024 Avenue U (Brooklyn, NY 11234; tax lot BBL 3085570048) is a store building (building class K4: store building (subtype K4)), built around 1931, on a 1,160 sq ft lot zoned R4. City tax records list the owner as ST 4024 LLC; per ACRIS, a deed to this owner dated December 20, 2017 lists a price of $755,000. The Department of Finance's final market value for tax year 2027 is $652,000. As of October 31, 2026, NYC Open Data shows six active DOB violations. There was one 311 request in the past 12 months and no 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, “4024 Avenue U, Brooklyn, NY 11234 (BBL 3085570048)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/4024-avenue-u-3085570048. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 6 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: ST 4024 LLC
- Building class: K4 – Store building (subtype K4)
- Year built: 1931
- Floors: 2
- Units: 0 residential / 2 total
- Lot area: 1,160 sq ft · Building area: 1,862 sq ft
- Zoning: R4, C2-2
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-04

## Tax assessment

- Tax year 2027 (final roll): market value $652,000, assessed value $293,400, tax class 4
- 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 |
|---|---|---|---|
| 2017-12-20 | recorded (DEED) | DEED dated 2017-12-20 from 4024 AVENUE U LLC to ST 4024 LLC, stated price $755,000. | bnx9-e6tj |
| 2007-07-19 | recorded (DEED) | DEED dated 2007-07-19 from KUPFERSTEIN, TIBOR to 4024 AVENUE U LLC, stated price $602,500. | bnx9-e6tj |
| 2002-12-27 | recorded (DEED) | DEED dated 2002-12-27 from GEFFEN, RICHARD; GEFFEN, GEORGE to KUPFERSTEIN, TIBOR, stated price $330,000. | bnx9-e6tj |
| 1995-01-03 | recorded (DEED) | DEED dated 1995-01-03 from BOURNE, CHARLES A. JR. to GEFFEN, GEORGE; GEFFEN, RICHARD, 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 |
|---|---|---|---|
| 2007-11-08 | n/a (ISSUED (initial)) | BIS work permit for job 310025745: Equipment work / Mechanical/HVAC. Issued 2007-11-08, expires 2008-02-01. | ipu4-2q9a |
| 2007-11-08 | n/a (ISSUED (initial)) | BIS work permit for job 310025745: Equipment work / Other / general construction. Issued 2007-11-08, expires 2008-02-01. | 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 |
|---|---|---|---|
| 2015-10-01 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2015-03-03 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2013-03-01 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2011-12-13 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2009-12-31 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2008-01-03 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |

## 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 |
|---|---|---|---|
| 2026-04-17 | closed (Closed) | 311 request to DOT: Street Condition – Cave-in. | 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 ST 4024 LLC. | 64uk-42ks |
| 2017-12-20 | recorded | Grantee (buyer) on the most recent deed (DEED, 2017-12-20). | 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/3085570048