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23-12 40th Avenue, Queens, NY 11101

BBL 4004080025 (Borough 4, Block 408, Lot 25) · BIN 4004941 · Last updated: · Long Island City-Hunters Point · ZIP 11101

Summary · as of November 6, 2026

23-12 40th Avenue (Queens, NY 11101; tax lot BBL 4004080025) is a 6-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 2016, on a 2,521 sq ft lot zoned M1-2/R5D. City tax records list the owner as 23-12 LLC; per ACRIS, a deed to this owner dated July 24, 2013 lists a price of $510,000. The Department of Finance's final market value for tax year 2027 is $1,333,000. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows two OATH tickets with an unpaid balance. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
23-12 LLC
Building class
C2 · Walk-up apartments, five or six families
Year built · units
2016 · 6 res.
Lot area · zoning
2,521 sq ft · M1-2/R5D
Market value (DOF)
$1,333,000 FY2027
Last priced deed
$510,000 · 2013-07-24
BBL
4004080025
BIN
4004941

How to cite: NYC Property Facts, “23-12 40th Avenue, Queens, NY 11101 (BBL 4004080025)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/queens/23-12-40th-avenue-4004080025. 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)
23-12 LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C2 – Walk-up apartments, five or six familiesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
2016Often an estimate for older buildings. Major alteration recorded: 2016.
Floors
4
Units
6 residential / 6 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,521 sq ft (25 ft × 100.83 ft)
Building floor area
6,988 sq ft (incl. 2,107 sq ft commercial)
Zoning
M1-2/R5D, LICThe zoning district sets what can be built and used here. Manufacturing district.
Built vs. allowed density (FAR)
2.77 built / 2.00 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 4004080025 (Borough 4, Block 408, Lot 25) · BIN 4004941BBL 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; last loaded 2026-11-07; Building Footprints — city dataset updated 2026-10-25; last loaded 2026-11-01

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$1,333,000The 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
$599,850The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$592,920Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,333,000$599,8502A
2026Final$1,517,000$682,6502A
2025Final$1,785,000$803,2502A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-07

Sales & deed history 5

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
2013-07-24DEED$510,00023-12 40 Ave. Corp.23-12 Llc2013072500563001
2012-10-31DEED$0 / not statedArvanitis, Dimitrios23-12 40 Ave. Corp.2012112800882001
2004-08-10DEED$380,000Dowers, MaryannArvanitis, Dimitrios2004081701541001
1999-07-20DEED$0 / not statedBisignano, Anthony W(Ind)Dowers, MaryannFT_4100007223410
1966-09-26DEED$0 / not statedCity Of New YorkAnthony W BisignanoBK_6640023800374

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-07

DOB job filings 0 open of 8

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 · 2017-06-02
440357070
BIS
A3 – Minor alteration (one type of work)2016-10-26—
Not open
SIGNED OFF · 2019-03-08
421350889
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2016-07-20$36,800
Not open
PLAN EXAM - DISAPPROVED · 2016-02-23
421261226
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2016-02-16$5,000
Not open
PLAN EXAM - DISAPPROVED · 2016-01-28
421220324
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2015-09-29$36,800
Not open
SIGNED OFF · 2019-05-16
420976411
BIS
A3 – Minor alteration (one type of work)2014-05-06—
Not open
SIGNED OFF · 2019-05-30
420933985
BIS
NB – New building2013-12-24—
Not open
PLAN EXAM - DISAPPROVED · 2012-01-20
420042929
BIS
NB – New building2009-06-29—
Not open
SIGNED OFF · 2005-06-06
402090107
BIS
DM – Demolition2005-02-17—

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; last loaded 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; last loaded 2026-11-06; a later sync attempt failed on 2026-11-07; showing the last successful load

Work permits 18

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
2018-12-052019-12-05420933985
BIS
Plumbing / PlumbingISSUED (renewal)
2018-05-232019-05-23421350889
BIS
Plumbing / PlumbingISSUED (initial)
2018-05-232019-05-23421350889
BIS
Equipment work / SprinklerISSUED (initial)
2017-12-072018-12-07420933985
BIS
Plumbing / PlumbingISSUED (renewal)
2017-11-082018-11-08420933985
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (renewal)
2017-11-082018-04-20420933985
BIS
New buildingISSUED (renewal)
2017-10-302017-11-05420933985
BIS
New buildingISSUED (renewal)
2016-12-062017-12-06420933985
BIS
Plumbing / PlumbingISSUED (initial)
2016-11-032017-11-03420933985
BIS
New buildingISSUED (renewal)
2016-11-032017-11-03420933985
BIS
New buildingISSUED (renewal)
2016-11-022017-11-02440357070
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)
2016-10-262016-11-05420933985
BIS
New buildingISSUED (renewal)

Showing 12 of 18 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-06; last loaded 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 0

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).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-06; last loaded 2026-11-07

ECB violations (DOB) 0 active of 5

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: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2016-10-24CLASS - 1NO GUARDRAILS.NOTICED AT TIME OF INSPECTION ON 2ND FLR NO GUARDRAILS PROVIDED AT EXP 1 AND 3 STOP ALL WRK.REM:STOP ALL WRK ON 2ND FLR PROVIDE GUARD RAILS.$1,200 / $1,200 / $035211982X
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2016-10-24CLASS - 11RCNY 3301-02/FAILURE TO ADEQUATELY SUPERVISE WRK AT A CONSTRUCTION SITE.SO AS TO MAINTAIN A SAFE CONSTRUCTION SITE AND ENSURE COMPLIANCE WITH CHAPTER 33.THE FOLLOWING HAZARDOUS CONDITIONS OBSERVED AND FSWO ISS$1,600 / $1,600 / $035211983H
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2016-10-24CLASS - 1BC3307.3/NO OVER HEAD PROTECTION.NOTICED AT TIME OF INSPECTION NB IN PROGRESS NOTICED AT EXP 4 NO OVERHEAD PROTECTION PROVIDE FOR ADJACENT PROPERTY REAR YARD WALK WAYS NB BEING ERECTED ABOVE WALKWAYS NB APPROX$1,600 / $1,600 / $035211981Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2016-10-24CLASS - 1FAILURE TO PROVIDE SIDE WALK SHED.NOTICED AT TIME OF INSPECTION NB IN PROGRESS NOTICED AT EXP 1 NO SIDE WALK SHED PROVIDED.JOB IS ERECTING 2ND FLR WALLS APPROX 16FT HIGH.REM:STOP ALL WRK PROVIDE SIDE WALK SHED$1,600 / $1,600 / $035211979P
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2016-10-24CLASS - 1BC3309.10/NO ROOF PROTECTION.NOTICED AT TIME OF INSPECTION NB IN PROGRESS.NOTICED AT EXP 2 & 4 ADJACENT ROOFS NO PROTECTION NB ERECTED ABOVEADJACENT ROOFS.REM:STOP ALL WRK WITHIN 20FT OF EXP 2 & 4 AND PROVIDE$400 / $400 / $035211980M

Source: DOB ECB Violations — city dataset updated 2026-11-06; last loaded 2026-11-07

OATH tickets (all agencies) 2 unpaid of 16

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
2012-02-03Pcs - DohmhFAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENT-DEBRIS,VEGETATION 1STARVANITIS$600 / — / $6000800189803
Unpaid balance
HEARING COMPLETED · IN VIOLATION
2011-07-08Pcs - DohmhFAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENT-DEBRIS,VEGETATION 1STARVANITIS$300 / $0 / $3000800081013
No balance due
PAID IN FULL
2025-02-19Sanitation OthersDIRTY SIDEWALK23-12 LLC$50 / $50 / $0048870879Z
No balance due
HEARING COMPLETED · IN VIOLATION
2024-03-08Fire Department Of NycRECORDKEEPING23-12 LLC$0 / $0 / $0014109318P
No balance due
HEARING COMPLETED · IN VIOLATION
2024-03-08Fire Department Of NycCERTIFICATES OF FITNESS AND CERTIFICATES OF QUALIFICATION23-12 LLC$0 / $0 / $0014109337K
No balance due Default
PAID IN FULL · DEFAULTED
2024-01-09Fire Department Of NycINSPECTION AND TESTING23-12 LLC$1,000 / $1,000 / $0014099517L
No balance due Default
PAID IN FULL · DEFAULTED
2024-01-09Fire Department Of NycINSPECTION AND TESTING23-12 LLC$1,000 / $1,000 / $0014099261R
No balance due
HEARING COMPLETED · DISMISSED
2017-12-01Dep - Bureau Of Cust. ServiceFAILED TO RETURN METER PERMITD D S MECHANICAL PLUMBING HE$0 / $0 / $00196856909
No balance due
HEARING COMPLETED · DISMISSED
2017-12-01Dep - Bureau Of Cust. ServiceFAILED TO RETURN METER PERMITD D S MECHANICAL PLUMBING H$0 / $0 / $00196856918
No balance due
PAID IN FULL · IN VIOLATION
2016-10-24Dept. Of BuildingsMISCELLANEOUS VIOLATIONSFEDERICI BUILDERS CORP$1,600 / $1,600 / —035211981Y
No balance due
PAID IN FULL · IN VIOLATION
2016-10-24Dept. Of BuildingsFAILURE TO INSTITUTE MAINTAIN SAFETY EQUIPMENT ETC.,- NO GUARD RAILSFEDERICI BUILDERS CORP$1,200 / $1,200 / —035211982X
No balance due
PAID IN FULL · IN VIOLATION
2016-10-24Dept. Of BuildingsMISCELLANEOUS VIOLATIONSANTHONY FEDERICI$1,600 / $1,600 / —035211983H

Showing 12 of 16 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-07; last loaded 2026-11-07

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.

HPD building ID
997629
Last registered
2026-08-07
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
ShareholderJohn KaralisLic, Ny
HeadofficerJohn KaralisLic, Ny
AgentJohn Karalis23-12 LLCLic, Ny
ShareholderGeorge KaralisLong Island City, Ny
Corporateowner23-12 LLCLic, Ny
OfficerGeorge KaralisLong Island City, Ny
SitemanagerGeorge Karalis

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-07

HPD housing-code violations 0 open of 1

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.

StatusClassIssuedAptCondition
Closed
Violation Dismissed · 2023-04-10
A2023-03-31(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-06; last loaded 2026-11-07

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 2026-11-07; last loaded 2026-11-07

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 2026-11-07; last loaded 2026-11-07

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Long Island City-Hunters Point: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on 40 Ave

Same tax block (408), closest first

All properties on 40 Ave, Queens · Queens 11101

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