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1923 Cornelia Street, Queens, NY 11385

BBL 4034820040 (Borough 4, Block 3482, Lot 40) · BIN 4083345, 4477502 · Last updated:

Summary · as of October 31, 2026

1923 Cornelia Street (Queens, NY 11385; tax lot BBL 4034820040) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1920, on a 5,000 sq ft lot zoned R5B. City tax records list the owner as 27 DIAMOND STREET CORP.; per ACRIS, a deed to this owner dated June 26, 2018 lists a price of $1,700,000. The Department of Finance's final market value for tax year 2027 is $1,229,000. As of October 31, 2026, NYC Open Data shows one open HPD violation. There were eight 311 requests in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
27 DIAMOND STREET CORP.
Building class
C0 · Three-family walk-up
Year built · units
1920 · 3 res.
Lot area · zoning
5,000 sq ft · R5B
Market value (DOF)
$1,229,000 FY2027
Last priced deed
$1,700,000 · 2018-06-26
BBL
4034820040
BIN
4083345, 4477502

How to cite: NYC Property Facts, “1923 Cornelia Street, Queens, NY 11385 (BBL 4034820040)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/queens/1923-cornelia-street-4034820040. 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)
27 DIAMOND STREET CORP.The owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C0 – Three-family walk-upThe 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
1920Often an estimate for older buildings.
Floors
2
Units
3 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
5,000 sq ft (50 ft × 100 ft)
Building floor area
2,160 sq ft
Zoning
R5BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
0.43 built / 1.50 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 4034820040 (Borough 4, Block 3482, Lot 40) · BIN 4083345, 4477502BBL 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)
$1,229,000The 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
$73,740The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$49,470Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,229,000$73,7401
2026Final$1,187,000$71,2201
2025Final$1,072,000$64,3201

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

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
2018-06-26DEED$1,700,000Srednicka, Halina27 Diamond Street Corp.2018070600775001
1991-04-18DEED$0 / not statedMontana, Ignazio; Montana, GiuseppaSrednicka, HalinaFT_4090002747109
1979-04-27DEED$0 / not statedGiambalvo LeonardGiuseppe Montana; Ignazio MontanaBK_7940115800128
1975-04-24DEED$0 / not statedLocoriere LauraLeonardo GiambalvoBK_7540082901365

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 0 open of 0

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.

No records found in this dataset for this lot.

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 0

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.

No records found in this dataset for this lot.

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 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 2026-11-02; data as of 2026-11-04

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: CURED/IN-VIO · Certification: CURE ACCEPTED
2005-02-03Non-HazardousFENCE EXCEEDS PERMITTED HEIGHT-MAXIMUM 6'-0" IN A RESIDENTIAL DISTRICT.FOUND FENCE WITH LATTICE ON TOP THAT EXCEEDS 8'-0".REMEDY:RESTORE FENCE TO 6'-0" MAXIMUM HEIGHT OR OBTAIN COMMISIONERS PERMISSION FOR CURRE$0 / $0 / $034467918Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2024-10-01CLASS - 1OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O AND/OR THE DEPARTMENT OF BUILDINGS RECORDS. PARTITIONS ERECTED CREATING AN ILLEGAL CLASS "A" APARTMENT AT CELLAR. UNLAWFUL ELECTRIC RANGE AND KITCHEN SINK PRESENT. A$2,500 / $2,500 / $035483937X
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2006-03-15Non-HazardousILLEGAL USE IN RESIDENTIAL DISTR. NOTED: SIX (6) SLOTTED PARKING SPACES, FOUR (4) CARS PARKED AT TIME OF INSP. AS OFF ST. PARKING IN PAVED SIDE YARD AREA- SPACES MARKED BY PAINTED YELLOW LINES D.O.B. RECORDS NO$0 / $0 / $034512716X
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2006-03-15Non-HazardousWORK W/O PERMITS. NOTED: ERECTION/INSTALLATION OF FOLLOWING: (1) METAL PULL-DOWN GATES AT GARAGES, APPROX. 12' X 8' (2) METAL AWNING APPROX.4' X 40' X 10' HIGH AT FRONT OF HOUSE & APPROX. 9' X 30' X 10' HIGH AT$0 / $0 / $034512715Y
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2004-06-03Non-HazardousWORK W/OUT PERMIT UPON INSPECTION OF ABOVE PROEPRTY FENCE IN FRONT OF BLDG & BACKYARD 8' HEIGHT NO PERMIT WAS OBTAINED REMEDY:OBTAIN PERMIT AS PER DOB CODE OR RESTORE TO PREVIOUS CONDITION$0 / $0 / $034436044K

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

OATH tickets (all agencies) 0 unpaid of 10

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
PAID IN FULL · IN VIOLATION
2024-10-01Dept. Of BuildingsOCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O OR BUILDING DEPT RECORDS27 DIAMOND STREET CORP.$2,500 / $2,500 / $0035483937X
No balance due
PAID IN FULL
2023-12-21Dos - Enforcement AgentsNON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION 1TO8 DWELLING UNITS27 DIAMOND STREET CORP$25 / $25 / $0048219862J
No balance due
PAID IN FULL
2021-10-01Sanitation OthersDIRTY SIDEWALK DIRTY AREA27 DIAMOND STREET CORP$100 / $100 / $0047313225L
No balance due
PAID IN FULL
2015-11-05FAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITSHALINA$25 / $25 / —0189110094
No balance due
HEARING COMPLETED · IN VIOLATION
2006-03-15— / — / —034512715Y
No balance due
HEARING COMPLETED · IN VIOLATION
2006-03-15— / — / —034512716X
No balance due
HEARING COMPLETED · IN VIOLATION
2005-02-03— / — / —034467918Y
No balance due
HEARING COMPLETED · IN VIOLATION
2004-06-03— / — / —034436044K
No balance due
PAID IN FULL
2003-11-13$25 / $25 / —0138426788
No balance due
PAID IN FULL
2000-11-27$25 / $25 / —0120283727

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.

HPD building ID
646451
Last registered
2026-09-08
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
SitemanagerCelina Koc
ShareholderCelina KocBrooklyn, Ny
AgentCelina Koc27 DIAMOND STREET CORP.Brooklyn, Ny
HeadofficerCelina KocBrooklyn, Ny
Corporateowner27 DIAMOND STREET CORP.Brooklyn, Ny

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 1 open of 7

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
Open
Info Nov Sent Out · 2024-10-15
I2024-10-10§ 27-2142 ADM CODE APTS HAVE BEEN VACATED BY THIS DEPARTMENT AND CANNOT BE REOCCUPIED UNTIL SO ORDERED AFTER PROOF OF COMPLIANCE FOR APTS VACATE # 258823 AT CELLAR (SOUTH 1). DATE POSTED AND MAILED : OCTOBER 10, 2024. EFFECTIVE DATE : OCTOBER 11, 2024 AT CELLA
Closed
Violation Closed · 2024-10-28
C2024-10-23CC§ 27-2005 ADM CODE PROVIDE TEMPORAIRLY SEAL UP TO ALL ACCESSIBLE OPENINGS LOCATED AT CELLAR APT CC, 1st CELLAR APT FROM EAST AT SOUTH
Closed
Violation Dismissed · 2025-02-03
B2024-10-08§ 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION , 2 STORY, 3 CLASS ''A'' APARTMENTS COVERTED TO 2 STORY, 4 CLASS ''A'' APARTMENTS. ILLEGAL CLASS ''A'' A
Closed
Violation Dismissed · 2025-02-03
B2024-10-07§ 27-2070 ADM CODE DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE, ELECTRIC RANGE AT CELLAR
Closed
Violation Dismissed · 2025-02-03
B2024-10-07§ 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS WATER CLOSET, WASH BASIN, SHOWER STALL AND KITCHEN SINK AT CELLAR
Closed
Violation Dismissed · 2019-08-01
I2018-10-24§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Closed
Violation Dismissed · 2017-11-24
I2016-11-21§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-04

HPD complaints 1

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.

ReceivedStatusAptProblem(s)Outcome
2024-09-30CLOSEBSMTSafety – Carbon Monoxide Detector
Safety – Smoke Detector
HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed.

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) 8

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
2026-10-11NYPDBlocked Driveway – Partial AccessClosed2026-10-11
2026-05-17DEPWater System – Dirty Water (WE)Closed2026-06-02
2026-01-20NYPDBlocked Driveway – No AccessClosed2026-01-20
2026-01-20NYPDIllegal Parking – Parking Permit Improper UseClosed2026-01-20
2026-01-20NYPDBlocked Driveway – No AccessClosed2026-01-20
2026-01-20NYPDBlocked Driveway – No AccessClosed2026-01-20
2026-01-20NYPDBlocked Driveway – No AccessClosed2026-01-20
2026-01-11NYPDBlocked Driveway – No AccessClosed2026-01-11

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

Nearby properties

On Cornelia St

Same tax block (3482)

All properties on Cornelia St, Queens · All of Queens 11385 (Ridgewood)

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