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
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 1Open HPD violations
- 0OATH tickets with unpaid balance
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).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-04; 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 year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $1,229,000 | $73,740 | 1 |
| 2026 | Final | $1,187,000 | $71,220 | 1 |
| 2025 | Final | $1,072,000 | $64,320 | 1 |
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2018-06-26 | DEED | $1,700,000 | Srednicka, Halina | 27 Diamond Street Corp. | 2018070600775001 |
| 1991-04-18 | DEED | $0 / not stated | Montana, Ignazio; Montana, Giuseppa | Srednicka, Halina | FT_4090002747109 |
| 1979-04-27 | DEED | $0 / not stated | Giambalvo Leonard | Giuseppe Montana; Ignazio Montana | BK_7940115800128 |
| 1975-04-24 | DEED | $0 / not stated | Locoriere Laura | Leonardo Giambalvo | BK_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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2005-02-03 | Non-Hazardous | FENCE 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 / $0 | 34467918Y |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2024-10-01 | CLASS - 1 | OCCUPANCY 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 / $0 | 35483937X |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2006-03-15 | Non-Hazardous | ILLEGAL 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 / $0 | 34512716X |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2006-03-15 | Non-Hazardous | WORK 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 / $0 | 34512715Y |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2004-06-03 | Non-Hazardous | WORK 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 / $0 | 34436044K |
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL · IN VIOLATION | 2024-10-01 | Dept. Of Buildings | OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O OR BUILDING DEPT RECORDS | 27 DIAMOND STREET CORP. | $2,500 / $2,500 / $0 | 035483937X |
| No balance due PAID IN FULL | 2023-12-21 | Dos - Enforcement Agents | NON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION 1TO8 DWELLING UNITS | 27 DIAMOND STREET CORP | $25 / $25 / $0 | 048219862J |
| No balance due PAID IN FULL | 2021-10-01 | Sanitation Others | DIRTY SIDEWALK DIRTY AREA | 27 DIAMOND STREET CORP | $100 / $100 / $0 | 047313225L |
| No balance due PAID IN FULL | 2015-11-05 | FAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITS | HALINA | $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.
| Role | Name | Company | Business city |
|---|---|---|---|
| Sitemanager | Celina Koc | ||
| Shareholder | Celina Koc | Brooklyn, Ny | |
| Agent | Celina Koc | 27 DIAMOND STREET CORP. | Brooklyn, Ny |
| Headofficer | Celina Koc | Brooklyn, Ny | |
| Corporateowner | 27 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.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Open Info Nov Sent Out · 2024-10-15 | I | 2024-10-10 | § 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 | C | 2024-10-23 | CC | § 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 | B | 2024-10-08 | § 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 | B | 2024-10-07 | § 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 | B | 2024-10-07 | § 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 | I | 2018-10-24 | §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 | I | 2016-11-21 | §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.
| Received | Status | Apt | Problem(s) | Outcome |
|---|---|---|---|---|
| 2024-09-30 | CLOSE | BSMT | Safety – 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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-10-11 | NYPD | Blocked Driveway – Partial Access | Closed | 2026-10-11 |
| 2026-05-17 | DEP | Water System – Dirty Water (WE) | Closed | 2026-06-02 |
| 2026-01-20 | NYPD | Blocked Driveway – No Access | Closed | 2026-01-20 |
| 2026-01-20 | NYPD | Illegal Parking – Parking Permit Improper Use | Closed | 2026-01-20 |
| 2026-01-20 | NYPD | Blocked Driveway – No Access | Closed | 2026-01-20 |
| 2026-01-20 | NYPD | Blocked Driveway – No Access | Closed | 2026-01-20 |
| 2026-01-20 | NYPD | Blocked Driveway – No Access | Closed | 2026-01-20 |
| 2026-01-11 | NYPD | Blocked Driveway – No Access | Closed | 2026-01-11 |
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
- 1922 Cornelia Street (five open items)
- 1924 Cornelia Street
- 1925 Cornelia Street
- 1920 Cornelia Street
- 1926 Cornelia Street (one open item)
- 1927 Cornelia Street
- 1919 Cornelia Street (three open items)
- 1918 Cornelia Street
- 1928 Cornelia Street
- 1917 Cornelia Street (six open items)
Same tax block (3482)
- 1912 Putnam Avenue (21 open items)
- 1914 Putnam Avenue
- 1916 Putnam Avenue
- 1918 Putnam Avenue (one open item)
- 1920 Putnam Avenue
- 1922 Putnam Avenue (two open items)
- 1924 Putnam Avenue (two open items)
- 1926 Putnam Avenue (70 open items)
- 1928 Putnam Avenue (21 open items)
- 1930 Putnam Avenue (15 open items)
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