6909 4th Avenue, Brooklyn, NY 11209
BBL 3058730110 (Borough 3, Block 5873, Lot 110) · BIN 3145773 · Last updated:
Summary · as of November 6, 2026
6909 4th Avenue (Brooklyn, NY 11209; tax lot BBL 3058730110) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1931, on a 1,615 sq ft lot zoned R7B. City tax records list the owner as GUORNELOS, SOTIRIOS. The Department of Finance's final market value for tax year 2027 is $1,331,000. As of November 6, 2026, NYC Open Data shows 25 open HPD violations. There were nine 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- GUORNELOS, SOTIRIOS
- Building class
- S2 · Mixed-use: two-family home with one store or office
- Year built · units
- 1931 · 2 res.
- Lot area · zoning
- 1,615 sq ft · R7B
- Market value (DOF)
- $1,331,000 FY2027
- Last priced deed
- —
- BBL
- 3058730110
- BIN
- 3145773
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 25Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “6909 4th Avenue, Brooklyn, NY 11209 (BBL 3058730110)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/6909-4th-avenue-3058730110. 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)
- GUORNELOS, SOTIRIOSThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- S2 – Mixed-use: two-family home with one store or officeThe 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
- 3
- Units
- 2 residential / 3 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,615 sq ft (19.67 ft × 82.08 ft)
- Building floor area
- 3,420 sq ft (incl. 1,129 sq ft commercial)
- Zoning
- R7B, C2-3, BRThe 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)
- 2.12 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 3058730110 (Borough 3, Block 5873, Lot 110) · BIN 3145773BBL 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)
- $1,331,000The 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
- $79,860The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $60,134Assessed 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 | $1,331,000 | $79,860 | 1 |
| 2026 | Final | $1,361,000 | $81,660 | 1 |
| 2025 | Final | $1,466,000 | $87,960 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06
Sales & deed history 9
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 |
|---|---|---|---|---|---|
| 1997-02-03 | DEED | $0 / not stated | 6909 4th Ave Realtycorp | Guornelos, Sotirios | FT_3170005558517 |
| 1994-09-19 | DEED | $0 / not stated | Ghuman, Mohammod Afzal; Ghuman, Suraya | 6909 4th Ave Realtycorp | FT_3450004452145 |
| 1992-06-09 | DEED | $0 / not stated | Ghumman, Bushra; Ghumman, Muhammad Arif | Ghuman, Mohammod Afzal; Ghuman, Suraya | FT_3690001695569 |
| 1982-12-10 | DEED | $0 / not stated | Condoulis, Bob | Ghumman, Bushra; Ghumman, Muhammad Arif; Ghumman, Mohammod Afzal | FT_3140000938714 |
| 1981-08-28 | DEED | $0 / not stated | Condoulis, Bob; Koutsodontis, Bill | Condoulis, Bob | FT_3410000905941 |
| 1981-03-18 | DEED | $0 / not stated | Matrunola Victor J; Vendittelli William A | Koutsodontis Bill; Condoulis Bob | BK_8130122500841 |
| 1980-04-03 | DEED | $0 / not stated | Fusco Albert J | Matrunola Victor J; Vendittelli William A | BK_8030115100893 |
| 1973-02-01 | DEED | $0 / not stated | Kahrs Frederick D; Grauline Olga S; Steurbautmargaret M | Fusco Albert J | BK_7330061101665 |
| 1966-05-10 | DEED | $0 / not stated | Kahrs Bertha (Extr Of ); Kahrs Bertha L (Extr Of) | Kahrs Frederick D; Grauling Olga S; Steurbaut Margaret M | BK_6630012600457 |
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 2
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.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Not open SIGNED OFF · 1995-06-09 | 300409564 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 1994-12-13 | $4,000 |
| Not open SIGNED OFF · 1995-03-28 | 300392714 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 1994-09-26 | $10,000 |
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.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 1995-01-11 | 1997-01-11 | 300409564 BIS | Equipment work / Boiler | ISSUED (initial) |
| 1995-01-11 | 1997-01-11 | 300409564 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 1994-12-29 | 1994-12-31 | 300392714 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 1994-12-29 | 1996-02-06 | 300392714 BIS | Equipment work / Other / general construction | ISSUED (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 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 2
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: WRITTEN OFF · Certification: CERTIFICATE ACCEPTED Written off refers to the penalty, not the violation. | 1990-06-05 | Non-Hazardous | WORK WITHOUT A PERMIT.WORK NOTED:(1)INSTALLED NEW STORE FRONT.SHEET LOCK PARTITION TO FORM BATHROOM AT REAR,EXHAUST FAN THRU REAR WALL, SEALING UP REAR DOORWAY WITH CINDAR BLOCK(NOTE:WORK COMPLETED.REMEDY:O | $285 / $0 / $0 | 34040718R |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 1994-12-09 | Non-Hazardous | WORK WITHOUT A PERMIT. WORK NOTED:HAVING RENOVATED 1ST FLOOR COMMERCIAL STORE THRU OUT. REMEDY: OBTAIN APPROVALS & PERMITS. | $175 / $175 / $0 | 34118334P |
Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06
OATH tickets (all agencies) 0 unpaid of 20
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 | 2025-01-18 | Sanitation Others | SIDEWALK OBSTRUCTION | GUORNELOS SOTIRIOS | $50 / $50 / $0 | 048805738Y |
| No balance due Default PAID IN FULL · DEFAULTED | 2024-11-19 | Sanitation Others | IMPROPER RECEPTACLE NON-RESIDENTIAL 1ST | ELEGANT FLORIST | $80 / $80 / $0 | 048746023N |
| No balance due HEARING COMPLETED · DISMISSED | 2024-04-30 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | GUORNELOS SOTIRIOS | $0 / $0 / $0 | 048315909H |
| No balance due HEARING COMPLETED · DISMISSED | 2021-06-08 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | GUORNELOS SOTIRIOS | $0 / $0 / $0 | 047144982Y |
| No balance due PAID IN FULL | 2018-02-28 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES - 2ND OFFENSE | GUORNELOS SOTIRIOS | $100 / $100 / $0 | 045480135N |
| No balance due PAID IN FULL | 2017-11-21 | Dos - Enforcement Agents | LOOSE RUBBISH | GUORNELOS | $100 / $100 / $0 | 044691981X |
| No balance due Default PAID IN FULL · DEFAULTED | 2017-08-23 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | GUORNELOS | $130 / $100 / $0 | 044602209N |
| No balance due PAID IN FULL | 2016-03-30 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | GUORNELOS | $100 / $100 / — | 044310849R |
| No balance due PAID IN FULL | 2014-05-16 | Sanitation Dept | FAILURE TO CLEAN 18 INCHES INTO STREET | ROKOS NY CORP | $100 / $100 / — | 041994870M |
| No balance due PAID IN FULL | 2011-05-21 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | GUORNELOS | $100 / $100 / — | 041593800J |
| No balance due PAID IN FULL | 2009-12-22 | Sanitation Police | RECYCLING NOTICES NOT POSTED IN MAINTENANCE AREA | STEVE'S FLOWER SHOP | $25 / $25 / — | 040412762X |
| No balance due PAID IN FULL | 2009-12-22 | Sanitation Police | FAILURE TO SOURCE SEPARATE NON-FOOD BEVERAGE RECYCLABLES | STEVE'S FLOWER SHOP | $25 / $25 / — | 040412761Y |
Showing 12 of 20 records. The API and the source dataset have the full list.
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 25 open of 25
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 · 2015-08-13 | B | 2015-08-13 | SECTION 27-2005,2007 ADMIN. CODE AND DEPARTMENT RULES AND REGULATIONS: REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES FLOWER POTS AT REAR OF THE BUILDING AT FIRE ESCAPE, 3rd STORY | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REFIT UPPER AND LOWER WINDOW SASHES AT CENTER ROOM AND REAR EAST AND WEST ROOMS 2 STY. APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF CONCEALED WATER LEAK AT CEILING OF REAR EAST ROOM 2 STY. APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REFIT UPPER & LOWER WINDOW SASHES OF REAR EAST & WEST ROOM, 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2010, 2011, 2012 ADMIN. CODE: REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR THROUGHOUT. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE PULL CHAIN SWITCH AT CEILING LIGHT AT ENTRANCE FOYER AND BATHROOM 2 STY. APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE PULL CHAIN SWITCH AT CEILING LIGHT OF BATHROOM, 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | C | 2006-07-03 | SECTION 27-2026 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE CONNECTION WATER LINE SINK KITCHEN 1ST STY. APT. 1 ER-1 | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF CUT STEAM PIPE AT CEILING OF NORTHEAST ROOM, 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE HOT AND COLD WATER CONTROL VALVES KITCHEN SINK FAUCET 2 STY. APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | C | 2006-07-03 | SECTION 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN AND BATHROOM, 2ND STORY APT 1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF CONCEALED WATER LEAK AT WALL OF REAR SOUTHEAST ROOM, 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2026 ADMIN. CODE: PROVIDE A PROPER SCREW CAP FOR THE CLEANOUT OF TRAP WATER LINE SINK KITCHEN 1ST STY. APT. 1 ER-1. | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2010, 2011, 2012 ADMIN. CODE: REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE REAR YARD. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING COLD WATER CONTROL KNOB AT KITCHEN SINK FAUCET 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR WALL UNDER KITCHEN SINK, 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE AND ROACHES THRU/OUT 2 STY. APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | C | 2006-07-03 | SECTION 27-2026 ADMIN. CODE: REPAIR THE LEAKY AND/OR DEFECTIVE WATER SUPPLY PIPE UNDER SINK AT KITCHEN 2ND STY. ER-1 | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE WALL & FLOOR OF BATHROOM, 2ND STORY APT. #1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY SECURE THE LOOSE COPPER PIPE AT VESTIBULE WALL. |
Showing 20 of 25 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 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) 9
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 |
|---|---|---|---|---|
| 2026-10-27 | DEP | Lead – Lead Kit | In Progress | — |
| 2026-09-10 | DSNY | Illegal Dumping – Removal Request | Closed | 2026-09-14 |
| 2026-08-08 | DSNY | Missed Collection – Trash | Closed | 2026-08-08 |
| 2026-07-05 | DSNY | Illegal Dumping – Removal Request | Closed | 2026-07-07 |
| 2026-07-01 | DSNY | Illegal Dumping – Removal Request | Closed | 2026-07-03 |
| 2026-06-01 | DSNY | Illegal Dumping – Removal Request | Closed | 2026-06-02 |
| 2026-05-19 | DOT | Sidewalk Condition – Defective Hardware | Closed | 2026-05-22 |
| 2026-04-07 | DSNY | Illegal Dumping – Removal Request | Closed | 2026-04-08 |
| 2025-11-30 | DSNY | Illegal Dumping – Removal Request | Closed | 2025-12-02 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-06; data as of 2026-11-06
Nearby properties
More in Bay Ridge: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
On 4 Ave
- 6911 4th Avenue (four open items)
- 6907 4th Avenue (six open items)
- 6914 4th Avenue (12 open items)
- 6903 4th Avenue (12 open items)
- 6916 4th Avenue (33 open items)
- 6901 4th Avenue (four open items)
- 6900 4th Avenue (11 open items)
- 6918 4th Avenue (12 open items)
- 6922 4th Avenue (26 open items)
- 6924 4th Avenue (16 open items)
Same tax block (5873)
- 401 Ovington Avenue (eight open items)
- 6925 4th Avenue (11 open items)
- 6911 4th Avenue (four open items)
- 6907 4th Avenue (six open items)
- 6903 4th Avenue (12 open items)
- 6901 4th Avenue (four open items)
- 414 Bay Ridge Avenue (three open items)
- 416 Bay Ridge Avenue (eight open items)
- 418 Bay Ridge Avenue (two open items)
- 422 Bay Ridge Avenue (one open item)
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