4024 Avenue U, Brooklyn, NY 11234
BBL 3085570048 (Borough 3, Block 8557, Lot 48) · BIN 3242307 · Last updated:
Summary · as of October 31, 2026
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.)
- Owner of record
- ST 4024 LLC
- Building class
- K4 · Store building
- Year built · units
- 1931 · 0 res.
- Lot area · zoning
- 1,160 sq ft · R4
- Market value (DOF)
- $652,000 FY2027
- Last priced deed
- $755,000 · 2017-12-20
- BBL
- 3085570048
- BIN
- 3242307
- 0Open DOB jobs (permit issued, no sign-off)
- 6Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
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.
Lot & building
Basic facts about the tax lot and building from the city’s PLUTO database.
- Owner (as listed by the city)
- ST 4024 LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- K4 – Store building (subtype K4)The Department of Finance’s category for what kind of building this is.
- Land use
- Mixed residential & commercialCity Planning’s broad category of how the lot is used.
- Year built
- 1931Often an estimate for older buildings.
- Floors
- 2
- Units
- 0 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,160 sq ft (20 ft × 58 ft)
- Building floor area
- 1,862 sq ft (incl. 1,862 sq ft commercial)
- Zoning
- R4, C2-2The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
- Built vs. allowed density (FAR)
- 1.61 built / 1.00 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 3085570048 (Borough 3, Block 8557, Lot 48) · BIN 3242307BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-02; 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)
- $652,000The 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
- $293,400The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $249,390Assessed value minus any exemptions.
- Tax class
- Tax class 4 – commercial / industrial
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $652,000 | $293,400 | 4 |
| 2026 | Final | $555,000 | $249,750 | 4 |
| 2025 | Final | $544,000 | $244,800 | 4 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02
Sales & deed history 4
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2017-12-20 | DEED | $755,000 | 4024 Avenue U Llc | St 4024 Llc | 2017122800810001 |
| 2007-07-19 | DEED | $602,500 | Kupferstein, Tibor | 4024 Avenue U Llc | 2007072400894001 |
| 2002-12-27 | DEED | $330,000 | Geffen, Richard; Geffen, George | Kupferstein, Tibor | 2003012200738001 |
| 1995-01-03 | DEED | $0 / not stated | Bourne, Charles A. Jr. | Geffen, George; Geffen, Richard | FT_3660004603266 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02
DOB job filings 0 open of 2
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.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Not open SIGNED OFF · 2008-01-04 | 310025745 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2007-09-19 | $16,000 |
| Not open PLAN EXAM - DISAPPROVED · 2003-07-24 | 301569906 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2003-07-17 | $20,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 2
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.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2007-11-08 | 2008-02-01 | 310025745 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
| 2007-11-08 | 2008-02-01 | 310025745 BIS | Equipment work / Other / general construction | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 6 active of 6
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).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Active V-DOB VIOLATION - ACTIVE | 2015-10-01 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT | V100115LBLVIO08485 |
| Active V-DOB VIOLATION - ACTIVE | 2015-03-03 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT | V030315LBLVIO07868 |
| Active V-DOB VIOLATION - ACTIVE | 2013-03-01 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT | V030113LBLVIO11864 |
| Active V-DOB VIOLATION - ACTIVE | 2011-12-13 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT | V121311LBLVIO15579 |
| Active V-DOB VIOLATION - ACTIVE | 2009-12-31 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | V123109LBLVIO18055 | |
| Active V-DOB VIOLATION - ACTIVE | 2008-01-03 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V010308LL629116344 |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-02
ECB violations (DOB) 0 active of 1
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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: ADMIT/IN-VIO · Certification: CERTIFICATE ACCEPTED | 2022-03-07 | CLASS - 2 | FOUND BURNHAM SIN4LNC 105,000 BTU'S STEAM GAS FIRED BOILER FTM=SPILL SWITCH NOT CONNECTED, MISSING MANUAL RESET LWCO, MISSING PIPE INSULATION | $655 / $655 / $0 | 39057574J |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02
OATH tickets (all agencies) 0 unpaid of 12
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL · ADMIT IN-VIO | 2022-03-07 | Dept. Of Buildings | FAIL MAINTAIN BLDG IN COMPLIANT MANNER: SERVICE EQUIPMENT - BOILER | ST 4024 LLC | $655 / $655 / $0 | 039057574J |
| No balance due PAID IN FULL · IN VIOLATION | 2017-10-05 | Dep - Bureau Of Env. Complianc | FAILED TO INSTALL A BACKFLOW PREVENTER | 4024 AVUNE U LLC | $700 / $700 / $0 | 0196865231 |
| No balance due WRITTEN OFF · WRITTEN OFF | 2016-11-03 | Dos - Enforcement Agents | ILLEGAL PLACEMENT OF STICKERS OR DECALS ON PUBLIC OR PRIVATE PROPERTY | MOHAMED HUSSAIN | $500 / $0 / $0 | 041768512R |
| No balance due WRITTEN OFF · WRITTEN OFF | 2016-11-03 | Dos - Enforcement Agents | ILLEGAL PLACEMENT OF STICKERS OR DECALS ON PUBLIC OR PRIVATE PROPERTY | MOHAMED HUSSAIN | $500 / $0 / $0 | 041768511P |
| No balance due WRITTEN OFF · WRITTEN OFF | 2010-01-26 | Dos - Enforcement Agents | POSTING OF SIGN PERMIT, WASTE REMOVAL | NATURAL NAIL HAIR SALON INC | $100 / $0 / $0 | 041921479M |
| No balance due HEARING COMPLETED · IN VIOLATION | 2008-02-01 | Fire Department Of Nyc | FAIL TO PROVIDE REQUIRED AFFIDAVIT PLANS | NATURAL NAILS AND HAIR | — / — / — | 011035837Z |
| No balance due Default PAID IN FULL · DEFAULTED | 2008-01-14 | Dos - Enforcement Agents | FAILURE TO PROPERLY PUT RECYCLABLES OUT FOR COLLECTION | 4024 AVENUE U LLC | $25 / $25 / — | 041790902N |
| No balance due Default PAID IN FULL · DEFAULTED | 2008-01-10 | Sanitation Others | FAILURE TO PROPERLY PUT RECYCLABLES OUT FOR COLLECTION | E 12 4024 AVE | $25 / $25 / — | 0159799476 |
| No balance due PAID IN FULL · IN VIOLATION | 2007-03-18 | Sanitation Others | SNOW,ICE DIRT ON SIDEWALKS | TIBOR | $100 / $100 / — | 0155776859 |
| No balance due PAID IN FULL · IN VIOLATION | 2003-10-28 | $100 / $100 / — | 0138065190 | |||
| No balance due PAID IN FULL | 2002-11-20 | $50 / $50 / — | 0131731766 | |||
| No balance due HEARING COMPLETED · IN VIOLATION | 2000-09-18 | — / — / — | 010716185J |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02
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.
No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02
HPD housing-code violations 0 open of 0
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.
No records found in this dataset for this lot.
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-02
HPD complaints 0
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.
No records found in this dataset for this lot.
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-02
311 requests (last 12 months) 1
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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-04-17 | DOT | Street Condition – Cave-in | Closed | 2026-04-22 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On Ave U
- 4022 Avenue U (11 open items)
- 4017 Avenue U (five open items)
- 4016 Avenue U
- 4013 Avenue U
- 4004 Avenue U
- 4103 Avenue U (eight open items)
- 4105 Avenue U (six open items)
- 4113 Avenue U (11 open items)
- 4124 Avenue U (18 open items)
- 3902 Avenue U (seven open items)
Same tax block (8557)
- 2245 Kimball Street
- Avenue V
- Avenue V
- Avenue V
- Kimball Street
- 4004 Avenue U
- 4016 Avenue U
- 4022 Avenue U (11 open items)
- 2214 Coleman Street (one open item)
- 2210 Coleman Street (one open item)
All properties on Ave U, Brooklyn · All of Brooklyn 11234 (Marine Park-Mill Basin-Bergen Beach)
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