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312 Avenue U, Brooklyn, NY 11223

BBL 3071240010 (Borough 3, Block 7124, Lot 10) · BIN 3192668 · Last updated:

Also recorded in city data as: 310 Ave U

Summary · as of November 6, 2026

312 Avenue U (Brooklyn, NY 11223; tax lot BBL 3071240010) is a 2-unit store building (building class K4: store building (subtype K4)), built around 1931, on a 2,231 sq ft lot zoned R6A. City tax records list the owner as DAVIDSON 2005 LLC.; per ACRIS, a deed to this owner dated March 16, 2006 lists a price of $1,060,000. The Department of Finance's final market value for tax year 2027 is $555,000. As of November 6, 2026, NYC Open Data shows four active DOB violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
DAVIDSON 2005 LLC.
Building class
K4 · Store building
Year built · units
1931 · 2 res.
Lot area · zoning
2,231 sq ft · R6A
Market value (DOF)
$555,000 FY2027
Last priced deed
$1,060,000 · 2006-03-16
BBL
3071240010
BIN
3192668

How to cite: NYC Property Facts, “312 Avenue U, Brooklyn, NY 11223 (BBL 3071240010)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/312-avenue-u-3071240010. 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)
DAVIDSON 2005 LLC.The 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
2 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,231 sq ft (39 ft × 62.1 ft)
Building floor area
3,086 sq ft (incl. 1,661 sq ft commercial)
Zoning
R6A, C1-4, OPThe 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)
1.38 built / 3.00 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 3071240010 (Borough 3, Block 7124, Lot 10) · BIN 3192668BBL 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 2026-11-06; 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)
$555,000The 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
$249,750The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$238,230Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$555,000$249,7504
2026Final$518,000$233,1004
2025Final$519,000$233,5504

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06

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.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2006-03-16DEED$1,060,000D'Agostino , Louis; D'Agostino, Peter; Polifrone, Domenica; Polifrone, JosephDavidson 2005 Llc.2006032200917001
2002-06-19DEED$0 / not statedD'Agostino, Ida; D'Agostino, AnthonyD'Agostino, Louis A; D'Agostino, PeterFT_3230008746223
1994-10-17DEED$0 / not statedD'Agostino, Anthony; Polifrone, DomenicaPolifrone, Domenica; D'Agostino, Anthony; D'Agostino, Ida; Polifrone, JosephFT_3950004514395
1983-03-01DEED$0 / not statedD'Agostino, Rosaliaex/OD'Agostino, Anthony; Polifrone, DomenicaFT_3310000954031

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-06

DOB job filings 0 open of 1

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
Not open
SIGNED OFF · 2017-09-21
310163550
BIS
A1 – Major alteration (changes use, egress or occupancy)2008-07-17$20,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-05; data as of 2026-11-06; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

Work permits 4

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
2016-12-142017-10-04310163550
BIS
AlterationISSUED (renewal)
2013-03-262014-03-26310163550
BIS
Plumbing / PlumbingISSUED (initial)
2013-03-072013-10-10310163550
BIS
AlterationISSUED (renewal)
2008-09-022009-09-01310163550
BIS
AlterationISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-05; data as of 2026-11-06; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 4 active of 15

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
2025-11-14LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTIONV111425LBLVIO14022
Active
V-DOB VIOLATION - ACTIVE
2023-06-30LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTIONV063023LBLVIO29555
Active
V-DOB VIOLATION - ACTIVE
2023-04-25LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTIONV042523LBLVIO14410
Active
V-DOB VIOLATION - ACTIVE
2018-04-06LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORTV040618LBLVIO11246
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2017-02-24LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORTV*022417LBLVIO08979
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2015-10-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORTV*100115LBLVIO07963
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2015-03-03LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORTV*030315LBLVIO07904
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2014-05-15LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORTV*051514LBLVIO11466
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV*030113LBLVIO11569
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2011-12-13LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORTV*121311LBLVIO15232
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2009-12-31LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDV*123109LBLVIO17662
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2009-01-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*010109LL629115614
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2008-01-03LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*010308LL629115581
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060194LL629116263
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060193LL629116262

Source: DOB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

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.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2016-05-17CLASS - 2B265 AS PER CLASS 2 (B265) 28-303.7 FAILURE TO FILE A COMPLETE BOILER INSPECTION REPORT AS PER DOB RECORDS.$1,250 / $2,595 / $-1,25032076395N

Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

OATH tickets (all agencies) 0 unpaid of 8

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
2016-12-10Dos - Enforcement AgentsSTORAGE OF RECEPTACLESDAVIDSON 2005 LLC$300 / $358 / $0044612064K
No balance due Default
PAID IN FULL · DEFAULTED
2016-05-17Dept. Of BuildingsFAILURE TO FILE COMPLETE BOILER INSPECTION REPORTDAVIDSON 2005 LLC C O JACK$1,250 / $2,595 / $-1,250032076395N
No balance due
PAID IN FULL
2014-04-25Dos - Enforcement AgentsSTORAGE OF RECEPTACLESDAVIDSON 2005 LLC$100 / $200 / $-100041388526N
No balance due
WRITTEN OFF
2005-06-12Dos - Enforcement AgentsSTORAGE OF RECEPTACLESANGELIQUE FARRIQUE INC$300 / $100 / —0147872607
No balance due
PAID IN FULL
2002-08-07$50 / $50 / —0130516550
No balance due
PAID IN FULL
2002-08-07$50 / $50 / —0130516569
No balance due
PAID IN FULL
2002-06-01$50 / $100 / $-500128682254
No balance due
PAID IN FULL
2000-09-19$50 / $50 / —0116722239

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-06; data as of 2026-11-06

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 2026-11-06; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-06

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 2026-11-05; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

Nearby properties

More in Gravesend (East)-Homecrest: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

On Ave U

Same tax block (7124)

All properties on Ave U, Brooklyn · All of Brooklyn 11223

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs