18 Marconi Place, Brooklyn, NY 11233
BBL 3015650033 (Borough 3, Block 1565, Lot 33) · BIN 3042519, 3351848 · Last updated:
Summary · as of November 6, 2026
18 Marconi Place (Brooklyn, NY 11233; tax lot BBL 3015650033) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1899, on a 2,795 sq ft lot zoned R5. City tax records list the owner as PATTERSON FRANKLYN M. The Department of Finance's final market value for tax year 2027 is $829,000. As of November 6, 2026, NYC Open Data shows 17 open HPD violations and six OATH tickets with an unpaid balance. There were no 311 requests in the past 12 months and four HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- PATTERSON FRANKLYN M
- Building class
- C0 · Three-family walk-up
- Year built · units
- 1899 · 3 res.
- Lot area · zoning
- 2,795 sq ft · R5
- Market value (DOF)
- $829,000 FY2027
- Last priced deed
- —
- BBL
- 3015650033
- BIN
- 3042519, 3351848
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 17Open HPD violations
- 6OATH tickets with unpaid balance
How to cite: NYC Property Facts, “18 Marconi Place, Brooklyn, NY 11233 (BBL 3015650033)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/18-marconi-place-3015650033. 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)
- PATTERSON FRANKLYN MThe 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
- 1899Often an estimate for older buildings.
- Floors
- 3
- Units
- 3 residential / 3 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 2
- Lot size
- 2,795 sq ft (28.67 ft × 97.5 ft)
- Building floor area
- 2,028 sq ft
- Zoning
- R5, C2-3The 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)
- 0.73 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 3015650033 (Borough 3, Block 1565, Lot 33) · BIN 3042519, 3351848BBL 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 2026-11-06; 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)
- $829,000The 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
- $49,740The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $17,280Assessed 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 | $829,000 | $49,740 | 1 |
| 2026 | Final | $631,000 | $37,860 | 1 |
| 2025 | Final | $735,000 | $44,100 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 1994-07-21 | DEED | $0 / not stated | Parmanand, Rajmattieitwaru; Parmanand, Heeralallmaraj | Patterson, Franklyn | FT_3050004397905 |
| 1987-09-24 | DEED | $0 / not stated | Scott, Cora | Parmanand, Rajmattiei; Parmanand, Heeralallm | FT_3350001308335 |
| 1984-01-05 | DEED | $0 / not stated | Baylor, Kenneth | Scott, John A; Scott, Cora | FT_3100000996110 |
| 1982-08-17 | DEED | $0 / not stated one deed covering 3581 lots; price is for all of them | Commissioner Financeny | New York City | FT_3250000923125 |
| 1975-01-22 | DEED | $0 / not stated | Scott John A; Scott Cora | Baylor Kenneth | BK_7530075901073 |
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 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 2026-11-05; 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 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 2026-11-05; data as of 2026-11-06; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 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 2026-11-05; data as of 2026-11-06
ECB violations (DOB) 0 active of 0
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.
No records found in this dataset for this lot.
Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06
OATH tickets (all agencies) 6 unpaid of 11
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 # |
|---|---|---|---|---|---|---|
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-10-01 | Pcs - Dohmh | FAIL TO ELIMINATE CONDITIONS CONDUCIVE TO RODENT-DEBRIS,VEGETATION 1ST | PATTERSON FRANKLYN M | $600 / $0 / $600 | 0803638404 |
| Unpaid balance Default DOCKETED · DEFAULTED | 2025-07-29 | Sanitation Others | DIRTY SIDEWALK | PATTERSON FRANKLYN M | $300 / $0 / $300 | 049306430H |
| Unpaid balance Default DOCKETED · DEFAULTED | 2025-07-29 | Dos - Enforcement Agents | DIRTY SIDEWALK | PATTERSON FRANKLYN M | $300 / $0 / $300 | 049262910P |
| Unpaid balance Default DOCKETED · DEFAULTED | 2024-06-05 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | PATTERSON FRANKLYN M | $300 / $0 / $300 | 048459307N |
| Unpaid balance Default DOCKETED · DEFAULTED | 2023-12-09 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | PATTERSON FRANKLYN M | $300 / $0 / $300 | 048134734M |
| Unpaid balance Default DOCKETED · DEFAULTED | 2021-04-24 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | PATTERSON FRANKLYN M | $300 / $0 / $300 | 047140857R |
| Hearing pending NEW ISSUANCE | 2026-08-21 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | PATTERSON FRANKLYN M | $50 / $0 / $50 | 049925528Z |
| No balance due WRITTEN OFF · WRITTEN OFF | 2013-05-13 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | PATTERSON | $300 / $0 / $0 | 041675410N |
| No balance due WRITTEN OFF · WRITTEN OFF | 2010-04-10 | Sanitation Others | LOOSE RUBBISH | PATTERSON | $300 / $0 / $0 | 0171834713 |
| No balance due WRITTEN OFF · WRITTEN OFF | 2009-05-20 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | PATTERSON | $100 / $0 / $0 | 042251089N |
| No balance due WRITTEN OFF · WRITTEN OFF | 2002-01-29 | Sanitation Others | DIRTY SIDEWALK | PATTERWSON | $300 / — / — | 0127096357 |
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.
- HPD building ID
- 332454
- Last registered
- 2025-11-20
- Registration valid until
- 2026-09-01 ExpiredRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Sitemanager | Franklin Patterson | ||
| Individualowner | Franklin Patterson | Brooklyn, Ny |
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 17 open of 38
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 Nov Sent Out · 2026-05-05 | A | 2026-05-05 | (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. | |
| Open Nov Sent Out · 2025-11-03 | A | 2025-11-03 | 2 | § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE BATHROOM , THE KITCHEN LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-11-03 | B | 2025-11-03 | 2 | § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STOR |
| Open Nov Sent Out · 2025-11-03 | B | 2025-11-03 | 2 | § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-11-03 | B | 2025-11-03 | 2 | § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ENTRANCE DOOR IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-11-03 | B | 2025-11-03 | 2 | § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, |
| Open Nov Sent Out · 2025-06-10 | A | 2025-06-10 | (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. | |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM SYSTEM FROM BUILDING ENTRANCE TO INTERCOM SYSTEM AT SOUTH WALL IN THE KITCHEN LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2026 ADM CODE REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE 2ND WINDOW FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE 1ST WINDOW FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE BATHROOM LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE AT EAST WALL IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Notice Of Issuance Sent To Tenant · 2025-06-09 | C | 2025-06-09 | 2 | HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | C | 2025-06-09 | 2 | § 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR AT SECONDARY DOOR IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2025-06-09 | B | 2025-06-09 | 2 | § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE AT WEST WALL IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Closed Violation Dismissed · 2025-11-21 | I | 2025-11-20 | §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 Closed · 2026-01-11 | C | 2025-06-09 | 2 | § 27-2044, 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE HINGES AT DOOR SECONDARY DOOR IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Closed Violation Closed · 2025-10-09 | C | 2025-06-09 | § 27-2044, 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE DOOR AND DOORFRAME BINDING AT THE ENTRANCE TO THE BUILDING |
Showing 20 of 38 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-05; data as of 2026-11-06
HPD complaints 4
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 |
|---|---|---|---|---|
| 2025-10-28 | CLOSE | 2 | Flooring/Stairs – Floor | The Department of Housing Preservation and Development inspected the following conditions. Violations were previously issued for these conditions. Information about specific violations is available at |
| 2025-10-28 | CLOSE | 2 | Heat/Hot Water – Apartment Only | The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed |
| 2025-05-28 | CLOSE | 2 | Water Leak – Damp Spot Safety – Window Guard Broken/Missing Door/Window – Window Frame Flooring/Stairs – Floor General – Bell/Buzzer/Intercom Door/Window – Door Unsanitary Condition – Pests Electric – Wiring General – Cooking Gas | The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. |
| 2022-04-17 | CLOSE | 1A | Plumbing – Toilet Safety – Carbon Monoxide Detector Unsanitary Condition – Pests Flooring/Stairs – Floor Safety – Smoke Detector Electric – Power Outage Plumbing – Water Supply | The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. |
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 Ocean Hill: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
On Marconi Pl
- 19 Marconi Place (one open item)
- 17 Marconi Place (six open items)
- 16 Marconi Place (four open items)
- 20 Marconi Place (three open items)
- 21 Marconi Place (10 open items)
- 15 Marconi Place (10 open items)
- 14 Marconi Place (four open items)
- 22 Marconi Place (65 open items)
- 23 Marconi Place (21 open items)
- 13 Marconi Place (11 open items)
Same tax block (1565)
- 2043 Atlantic Avenue (45 open items)
- 229 Thomas S Boyland St
- 227 Thomas S Boyland St (four open items)
- 225 Thomas S Boyland St (27 open items)
- 221 Thomas S Boyland St (37 open items)
- 219 Thomas S Boyland St (90 open items)
- 217 Thomas S Boyland St (23 open items)
- 215 Thomas S Boyland St
- 213 Thomas S Boyland St
- 211 Thomas S Boyland St (20 open items)
All properties on Marconi Pl, Brooklyn · All of Brooklyn 11233
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