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NYC Property Factsfree public-records reference

4124 Avenue U, Brooklyn, NY 11234

BBL 3085580044 (Borough 3, Block 8558, Lot 44) · BIN 3418341, 3242315, 3242316 · Last updated:

Also recorded in city data as: 4112 Ave U · 4102 Ave U · 41243 Ave U · 41246 Ave U

Summary · as of October 31, 2026

4124 Avenue U (Brooklyn, NY 11234; tax lot BBL 3085580044) is a store building (building class K1: store building (subtype K1)), built around 2011, on a 63,590 sq ft lot zoned R4. City tax records list the owner as SIGMA PREFERRED EQUITIES LTD. The Department of Finance's final market value for tax year 2027 is $16,667,000. As of October 31, 2026, NYC Open Data shows four DOB jobs with a permit issued but no sign-off, seven active DOB violations and eight OATH tickets with an unpaid balance. There were 11 311 requests 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
SIGMA PREFERRED EQUITIES LTD
Building class
K1 · Store building
Year built · units
2011 · 0 res.
Lot area · zoning
63,590 sq ft · R4
Market value (DOF)
$16,667,000 FY2027
Last priced deed
—
BBL
3085580044
BIN
3418341, 3242315, 3242316

How to cite: NYC Property Facts, “4124 Avenue U, Brooklyn, NY 11234 (BBL 3085580044)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/4124-avenue-u-3085580044. 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)
SIGMA PREFERRED EQUITIES LTDThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
K1 – Store building (subtype K1)The Department of Finance’s category for what kind of building this is.
Land use
Commercial & officeCity Planning’s broad category of how the lot is used.
Year built
2011Often an estimate for older buildings.
Floors
1
Units
0 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
63,590 sq ft (202 ft × 330 ft)
Building floor area
23,082 sq ft (incl. 23,082 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)
0.36 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 3085580044 (Borough 3, Block 8558, Lot 44) · BIN 3418341, 3242315, 3242316BBL 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)
$16,667,000The 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
$7,500,150The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$7,235,000Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$16,667,000$7,500,1504
2026Final$16,359,000$7,361,5504
2025Final$16,521,000$7,434,4504

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

Sales & deed history 6

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
2015-07-16DEED$0 / not statedSigma Preferred Equities Ltd; 50 Contracting CorpSigma Preferred Equities Ltd2015071501558001
2010-11-01CORRD$0 / not stated
one deed covering 13 lots; price is for all of them
Ntn Rest. Corp.Sigma Preferred Equities Ltd.2010111000116001
2009-01-22DEED$0 / not stated
one deed covering 13 lots; price is for all of them
Ntn Rest. Corp.Sigma Prefferred Equities, Ltd.2009020200327001
1983-02-07DEED$0 / not stated
one deed covering 4 lots; price is for all of them
Mannino, AnthonyNtn Rest. CorpFT_3720000949372
1975-07-18DEED$0 / not stated
one deed covering 3 lots; price is for all of them
Leone SebastianMannino AnthonyBK_7530079101331
1969-05-01DEED$0 / not statedCiardullo Samuel; Ciardullo VincentMannino Anthony; Leone SebastianBK_6930033100205

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 4 open of 32

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 Entire · 2022-09-23
B08000968-I1
DOB NOW
Alteration2022-09-11$2,400
Permitted, not signed off
Permit Entire · 2022-04-28
B00709962-I1
DOB NOW
Alteration2022-04-04$70,000
Permitted, not signed off
Permit Entire · 2022-05-16
B00708284-I1
DOB NOW
Alteration2022-04-04$190,000
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 1991-11-27
300131943
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1991-10-21$2,000
Not open
LOC Issued · 2021-06-08
B00495222-I1
DOB NOW
Alteration2021-04-23$25,000
Not open
APPLICATION PROCESSED - ENTIRE · 2020-10-29
340781309
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2020-10-29$203,500
Not open
SIGNED OFF · 2020-10-19
340753517
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2020-08-06$3,500
Not open
LOC Issued · 2020-12-27
B00367911-I1
DOB NOW
Alteration2020-07-09$3,000
Not open
SIGNED OFF · 2020-11-10
322037568
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2020-05-21$11,000
Not open
PLAN EXAM - APPROVED · 2018-02-14
321780131
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-02-14$108,000
Not open
PLAN EXAM - DISAPPROVED · 2018-02-15
321780140
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-02-14$17,000
Not open
SIGNED OFF · 2018-08-01
321669743
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2017-10-16$29,000
Not open
SIGNED OFF · 2018-04-04
321124573
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2015-05-21$1,000
Not open
SIGNED OFF · 2019-01-22
321049539
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2015-01-08$35,000
Not open
SIGNED OFF · 2016-08-10
321009298
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2014-10-16$81,500
Not open
SIGNED OFF · 2015-12-18
320995081
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2014-09-09$50,000
Not open
SIGNED OFF · 2015-12-18
320995072
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2014-05-14$713,038
Not open
SIGNED OFF · 2013-08-12
320381724
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2011-10-17$1,000
Not open
SIGNED OFF · 2012-06-29
320310864
BIS
A3 – Minor alteration (one type of work)2011-05-20$3,000
Not open
SIGNED OFF · 2012-03-24
320309411
BIS
A3 – Minor alteration (one type of work)2011-05-18$20,000

Showing 20 of 32 records. The API and the source dataset have the full list.

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 57

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
2022-09-232023-09-23B08000968-I1
DOB NOW
Sign
INSTALLATION OF A NON-ADVERTISING DIRECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN WORDING : KINGS PLAZA DENTAL INSIDE PROPPERTY LINE
Permit Issued
2022-05-162023-03-29B00708284-I1
DOB NOW
General Construction
Interior alteration to existing first floor tenant at 1-story commercial building. No change of use, egress or occupancy under this application.
Permit Issued
2022-05-162023-03-29B00708284-I1
DOB NOW
Mechanical Systems
Interior alteration to existing first floor tenant at 1-story commercial building. No change of use, egress or occupancy under this application.
Permit Issued
2022-04-282023-04-28B00709962-I1
DOB NOW
Plumbing
Interior alteration to existing first floor tenant space at 1-story commercial building. Proposed plumbing fixtures, new and relocation of sprinkler heads.
Permit Issued
2021-05-042021-08-19B00495222-I1
DOB NOW
General Construction
INTERIOR RENOVATION OF EXISTING COMMERCIAL SPACE AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Signed-off
2020-08-132021-06-23340753517
BIS
Equipment work / Other / general constructionISSUED (initial)
2020-07-102021-01-01B00367911-I1
DOB NOW
Plumbing
Installation of new Handicap Toilet Room in existing Retail Space (for future tenant) in conjunction with application number 322037568. No change to use, egres
Signed-off
2020-06-112020-12-31322037568
BIS
Equipment work / Other / general constructionISSUED (initial)
2017-12-142018-12-14321669743
BIS
Plumbing / PlumbingISSUED (initial)
2017-10-192018-06-23321669743
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2017-10-192018-06-23321669743
BIS
Equipment work / Other / general constructionISSUED (initial)
2015-08-052016-03-19321176892
BIS
SignISSUED (initial)

Showing 12 of 57 records. The API and the source dataset have the full list.

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 7 active of 22

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).

StatusIssuedTypeDescriptionNumber
Active
V-DOB VIOLATION - ACTIVE
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV030113LBLVIO11865
Active
V-DOB VIOLATION - ACTIVE
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV030113LBLVIO11866
Active
V-DOB VIOLATION - ACTIVE
2011-12-13LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORTV121311LBLVIO15580
Active
V-DOB VIOLATION - ACTIVE
2011-12-13LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORTV121311LBLVIO15581
Active
V-DOB VIOLATION - ACTIVE
2009-12-31LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDV123109LBLVIO18056
Active
V-DOB VIOLATION - ACTIVE
2009-12-31LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDV123109LBLVIO18057
Active
V-DOB VIOLATION - ACTIVE
2003-03-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV031903LL629124093
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2009-01-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*010109LL629112357
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2009-01-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*010109LL629112358
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2007-01-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*011907LL629112799
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2007-01-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*011907LL629112800
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*013105LL629113205
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*013105LL629113206
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2003-03-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*031903LL629124094
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1999-03-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*031699LL629124564

Showing 15 of 22 records. The API and the source dataset have the full list.

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

ECB violations (DOB) 0 active of 4

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: DEFAULT · Certification: CERTIFICATE ACCEPTED
2020-07-17CLASS - 2AT TIME OF INSPECTION,OBSERVED ONGOING CONSTRUCTION ACTIVITIES CONTRARY TO MAYORS EMERGENCY EXECUTIVE ORDER 120 & SUBSEQUENT ORDERS INCORPORATING REQUIREMENTS OF GOVERNORSEXECUTIVE ORDER 202.34 & SUBSEQUENT ORD$5,000 / $5,000 / $035478035K
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2012-01-05CLASS - 1INADEQUATE SAFETY MEASURES OPS OF A CRANE/DERRICK/HOISTING EQUIPMENT IN AN UNSAFE MANNER.@ TIME OF INSP CRANE IS OPERATING W/BAD DUNNAGE UNDER OUTRIGGER ON LOAD SIDE OF CRANE.LOWER DUNNAGE UDNER OUTRIGGER PAD I$4,800 / $5,656 / $034885641M
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2020-02-11CLASS - 2FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER. BUSINESS ACCESSORY SIGN @PARKING LOT HAS ITS TOP METAL SHEET FINISH LOOSE AVE PARTIALLY DISCONNECTED FROM SIGN STRUCTURE.REM:REPAIR OR REPLACE DEFECTIVE$312 / $625 / $-31335415436N
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
1991-01-28Non-Hazardous36,18B$0 / $0 / $032007758Y

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

OATH tickets (all agencies) 8 unpaid of 78

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 #
Unpaid balance Default
DEFAULTED · DEFAULTED
2026-08-24Fire Department Of NycFIRE PROTECTION SYSTEMSSIGMA PREFERRED EQUITIES LTD$2,000 / $0 / $2,000014269525K
Unpaid balance Default
DOCKETED · DEFAULTED
2026-02-12Fire Department Of NycINSPECTION AND TESTINGSIGMA PREFERRED EQUITIES LTD$1,000 / $0 / $1,000014230352N
Unpaid balance Default
DOCKETED · DEFAULTED
2026-02-12Fire Department Of NycFIRE PROTECTION SYSTEMSSIGMA PREFERRED EQUITIES LTD$2,000 / $0 / $2,000014230353P
Unpaid balance Default
DOCKETED · DEFAULTED
2026-01-07Fire Department Of NycCERTIFICATES OF FITNESS AND CERTIFICATES OF QUALIFICATIONCVS CAREMARK$1,000 / $0 / $1,000014223568R
Unpaid balance Default
DOCKETED · DEFAULTED
2023-06-28Fire Department Of NycINSPECTION AND TESTINGCVS PHARMACY STORE 2431$1,000 / $0 / $1,000014070559K
Unpaid balance Default
DOCKETED · DEFAULTED
2022-08-23Fire Department Of NycINSPECTION AND TESTING$1,000 / $0 / $1,000014031703Y
Unpaid balance Default
DOCKETED · DEFAULTED
2022-07-08Fire Department Of NycFIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMSSIGMA PREFERRED EQUITIES LTD$5,000 / $0 / $5,000012123918R
Unpaid balance Default
DOCKETED · DEFAULTED
2022-06-14Fire Department Of NycFIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMSSIGMA PREFERRED EQUITIES LTD$1,000 / $0 / $1,000012123019N
Hearing pending
NEW ISSUANCE
2026-08-24Fire Department Of NycINSPECTION AND TESTINGSIGMA PREFERRED EQUITIES LTD$0 / $0 / $0014269524Z
No balance due
PAID IN FULL · IN VIOLATION
2025-06-14Fire Department Of NycINSPECTION AND TESTINGSIGMA PREFERRED EQUITIES LTD$1,500 / $1,500 / $0014191358P
No balance due
PAID IN FULL · SETTL IN-VIO
2024-12-20Fire Department Of NycINSPECTION AND TESTINGSIGMA PREFERRED EQUITIES LTD$1,000 / $839 / $0014162281N
No balance due
PAID IN FULL · IN VIOLATION
2022-02-24Fire Department Of NycAFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATIONCVS CAREMARK$750 / $750 / $0011785514R

Showing 12 of 78 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.

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 2026-11-04; 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 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 2026-11-04

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 2026-11-04

311 requests (last 12 months) 11

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.

OpenedAgencyComplaintStatusClosed
2026-07-31NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-07-31
2026-04-18NYPDAbandoned Vehicle – With License PlateClosed2026-04-19
2026-02-25DSNYSnow or Ice – SidewalkClosed2026-02-28
2026-02-24DSNYSnow or Ice – SidewalkClosed2026-02-28
2026-02-24DSNYSnow or Ice – SidewalkClosed2026-02-28
2026-02-13DSNYSnow or Ice – SidewalkClosed2026-02-22
2026-02-03DSNYSnow or Ice – SidewalkClosed2026-02-06
2026-02-02DSNYSnow or Ice – SidewalkClosed2026-02-06
2026-01-28DSNYSnow or Ice – SidewalkClosed2026-02-06
2025-12-23DEPNoise – Noise: Alarms (NR3)Closed2025-12-24

Showing 10 of 11 records. The API and the source dataset have the full list.

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

Nearby properties

On Ave U

Same tax block (8558)

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