5107 7th Avenue, Brooklyn, NY 11220
BBL 3008020006 (Borough 3, Block 802, Lot 6) · BIN 3013731 · Last updated:
Summary · as of October 31, 2026
5107 7th Avenue (Brooklyn, NY 11220; tax lot BBL 3008020006) is an office building (building class O1: office building (subtype O1)), built around 1930, on a 815 sq ft lot zoned R7A. City tax records list the owner as WONG SIU KIT. The Department of Finance's final market value for tax year 2027 is $206,000. As of October 31, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There was one 311 request 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
- WONG SIU KIT
- Building class
- O1 · Office building
- Year built · units
- 1930 · 0 res.
- Lot area · zoning
- 815 sq ft · R7A
- Market value (DOF)
- $206,000 FY2027
- Last priced deed
- —
- BBL
- 3008020006
- BIN
- 3013731
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “5107 7th Avenue, Brooklyn, NY 11220 (BBL 3008020006)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/5107-7th-avenue-3008020006. 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)
- WONG SIU KITThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- O1 – Office building (subtype O1)The Department of Finance’s category for what kind of building this is.
- Land use
- Commercial & officeCity Planning’s broad category of how the lot is used.
- Year built
- 1930Often an estimate for older buildings. Major alteration recorded: 2005.
- Floors
- 1
- Units
- 0 residential / 1 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 815 sq ft (13.58 ft × 60 ft)
- Building floor area
- 880 sq ft (incl. 880 sq ft commercial)
- Zoning
- R7A, C2-4The 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)
- 1.08 built / 4.00 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 3008020006 (Borough 3, Block 802, Lot 6) · BIN 3013731BBL 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 2026-11-02; 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)
- $206,000The 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
- $92,700The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $84,960Assessed value minus any exemptions.
- Tax class
- Tax class 4 – commercial / industrial
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $206,000 | $92,700 | 4 |
| 2026 | Final | $187,000 | $84,150 | 4 |
| 2025 | Final | $192,000 | $86,400 | 4 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02
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 |
|---|---|---|---|---|---|
| 1997-01-31 | DEED | $0 / not stated | Demaio, Cynthia /Sole Heir; Gowell, Stacy Demaio/Sole Heir; Demaio, Philip /Soleheir; Demaio, Elizabeth /Decd; Demaio, Joseph A /Sole Heir | Wong, Siu Kit | FT_3610005557061 |
| 1995-06-22 | DEED | $0 / not stated | Greene, J Harold/Aka; Greene, Joseph H/Aka; Greene, Harold J; Greene, Harold | De Maio, Elizabeth | FT_3580005009058 |
| 1991-09-23 | DEED | $0 / not stated one deed covering 273 lots; price is for all of them | Commissioner Of Finance | City Of New York | FT_3870001640487 |
| 1976-09-16 | DEED | $0 / not stated one deed covering 2318 lots; price is for all of them | Finance Admin Of The City Of Ny; ; Ivan E. Irizarry | The City Of New York; | BK_7630087101950 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02
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 · 2006-02-22 | 301966166 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2005-06-14 | $20,000 |
| Not open SIGNED OFF · 1997-01-14 | 300473958 BIS | A1 – Major alteration (changes use, egress or occupancy) | 1995-11-15 | $1 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 7
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 |
|---|---|---|---|---|
| 2005-10-17 | 2006-10-17 | 301966166 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2005-09-16 | 2006-06-25 | 301966166 BIS | Alteration | ISSUED (renewal) |
| 2005-09-16 | 2005-12-31 | 301966166 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (renewal) |
| 2005-07-27 | 2006-07-27 | 301966166 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2005-07-22 | 2005-11-01 | 301966166 BIS | Alteration | ISSUED (initial) |
| 2005-07-22 | 2005-11-01 | 301966166 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 1996-07-23 | 1997-07-23 | 300473958 BIS | Alteration | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; 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 2026-11-02
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 2026-10-31; data as of 2026-11-02
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 HEARING COMPLETED · DISMISSED | 2026-07-03 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $0 / $0 / $0 | 049736551Y |
| No balance due HEARING COMPLETED · DISMISSED | 2026-06-10 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $0 / $0 / $0 | 049687130H |
| No balance due PAID IN FULL | 2026-05-27 | Sanitation Others | FAIL TO CLEAN 18 INCH INTO STREET COMM MAN INDUSTRIAL MIXED USE 1ST | OPTIMA DENTAL | $50 / $50 / $0 | 049633941H |
| No balance due PAID IN FULL | 2026-04-10 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $50 / $50 / $0 | 049687001L |
| No balance due PAID IN FULL | 2026-03-14 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $50 / $50 / $0 | 049425336N |
| No balance due PAID IN FULL | 2025-05-23 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $50 / $50 / $0 | 049131172M |
| No balance due PAID IN FULL | 2024-02-09 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $50 / $50 / $0 | 048240801M |
| No balance due Default PAID IN FULL · DEFAULTED | 2023-06-28 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $80 / $80 / $0 | 047780888P |
| No balance due PAID IN FULL | 2023-06-14 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | WONG SIU KIT | $50 / $50 / $0 | 047780856K |
| No balance due PAID IN FULL · IN VIOLATION | 2018-10-16 | WONG | $700 / $700 / $0 | 0600059837 | ||
| No balance due PAID IN FULL | 2018-06-05 | Sanitation Others | DIRTY SIDEWALK DIRTY AREA | OPTINA DENTAL | $100 / $100 / $0 | 0204158837 |
| No balance due PAID IN FULL | 2012-05-11 | $100 / $100 / — | 041605011M |
Showing 12 of 20 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02
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 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02
HPD housing-code violations 0 open of 0
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.
No records found in this dataset for this lot.
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-02
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 2026-11-02; data as of 2026-11-02
311 requests (last 12 months) 1
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 |
|---|---|---|---|---|
| 2026-09-08 | NYPD | Non-Emergency Police Matter – Other (complaint details) | Closed | 2026-09-08 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On 7 Ave
- 5106 7th Avenue (53 open items)
- 5108 7th Avenue (16 open items)
- 5105 7th Avenue (15 open items)
- 5104 7th Avenue
- 5110 7th Avenue (12 open items)
- 5111 7th Avenue (two open items)
- 5103 7th Avenue (13 open items)
- 5102 7th Avenue (six open items)
- 5112 7th Avenue (one open item)
- 5113 7th Avenue (14 open items)
Same tax block (802)
- 5121 7th Avenue (five open items)
- 5119 7th Avenue (51 open items)
- 5117 7th Avenue (33 open items)
- 5113 7th Avenue (14 open items)
- 5111 7th Avenue (two open items)
- 5105 7th Avenue (15 open items)
- 5103 7th Avenue (13 open items)
- 5101 7th Avenue
- 712 51st Street (15 open items)
- 714 51st Street
All properties on 7 Ave, Brooklyn · All of Brooklyn 11220 (Sunset Park (Central))
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