686 6th Avenue, Brooklyn, NY 11215
BBL 3008910048 (Borough 3, Block 891, Lot 48) · BIN 3017406 · Last updated: · Park Slope · ZIP 11215
Summary · as of November 8, 2026
686 6th Avenue (Brooklyn, NY 11215; tax lot BBL 3008910048) 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 1899, on a 1,600 sq ft lot zoned R6B. City tax records list the owner as BROOKLYN 21 DEVELOPM; per ACRIS, a deed to this owner dated July 19, 2005 lists a price of $850,000. The Department of Finance's final market value for tax year 2027 is $3,550,000. As of November 8, 2026, NYC Open Data shows three active DOB violations. 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
- BROOKLYN 21 DEVELOPM
- Building class
- S2 · Mixed-use: two-family home with one store or office
- Year built · units
- 1899 · 2 res.
- Lot area · zoning
- 1,600 sq ft · R6B
- Market value (DOF)
- $3,550,000 FY2027
- Last priced deed
- $850,000 · 2005-07-19
- BBL
- 3008910048
- BIN
- 3017406
- 0Open DOB jobs (permit issued, no sign-off)
- 3Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “686 6th Avenue, Brooklyn, NY 11215 (BBL 3008910048)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/686-6th-avenue-3008910048. 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)
- BROOKLYN 21 DEVELOPMThe 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
- 1899Often an estimate for older buildings. Major alteration recorded: 2006, 2006.
- Floors
- 3
- Units
- 2 residential / 3 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,600 sq ft (20 ft × 80 ft)
- Building floor area
- 4,080 sq ft (incl. 1,560 sq ft commercial)
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 2.55 built / 2.00 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 3008910048 (Borough 3, Block 891, Lot 48) · BIN 3017406BBL 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; last loaded 2026-11-08; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $3,550,000The 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
- $213,000The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $79,212Assessed 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 | $3,550,000 | $213,000 | 1 |
| 2026 | Final | $3,046,000 | $182,760 | 1 |
| 2025 | Final | $2,435,000 | $146,100 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08
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 |
|---|---|---|---|---|---|
| 2005-07-19 | DEED | $850,000 | Demarco, James; Vitale, Gino | Brooklyn 21 Development Corp | 2005072100938001 |
| 2004-09-01 | DEED | $400,000 | Park, Sangho; Park, Min Bum | Demarco, James; Vitale , Gino | 2004090900195001 |
| 1989-06-14 | DEED | $0 / not stated | Capece, Geraldine; Alioto, Armand R | Park, Sangho; Park, Min Bum | FT_3820001463582 |
| 1967-04-21 | DEED | $0 / not stated | Capece Susan | Alioto Armand R; Capece Geraldine | BK_6730040600478 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-08
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 · 2008-06-16 | 310002966 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2007-08-03 | $20,500 |
| Not open SIGNED OFF · 2007-07-11 | 302045267 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2005-11-29 | $20,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Job Application Filings (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-08
Work permits 8
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 |
|---|---|---|---|---|
| 2007-11-16 | 2008-11-15 | 310002966 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2007-08-15 | 2008-06-30 | 310002966 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
| 2007-08-15 | 2008-06-30 | 310002966 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2007-04-05 | 2008-01-24 | 302045267 BIS | Alteration | ISSUED (renewal) |
| 2007-04-05 | 2007-12-31 | 302045267 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (renewal) |
| 2006-04-18 | 2007-04-18 | 302045267 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2006-02-27 | 2007-01-24 | 302045267 BIS | Alteration | ISSUED (initial) |
| 2006-02-27 | 2006-12-31 | 302045267 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07
DOB violations 3 active of 4
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).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Active V-DOB VIOLATION - ACTIVE | 2009-01-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V010109LL629117409 | |
| Active V-DOB VIOLATION - ACTIVE | 2009-01-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V010109LL629117410 | |
| Active V-DOB VIOLATION - ACTIVE | 2009-01-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V010109LL629117408 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2006-06-10 | C-CONSTRUCTION OTHER OPTIONAL | V*061006C0701RM |
Source: DOB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
ECB violations (DOB) 0 active of 1
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: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2006-07-19 | Hazardous | JOBSITE FENCE DEFECTIVE DEFECT NOTED:UNDER APPLICATION 302045267(FN) EXP 12/13/06 ADJ TO 295 21ST THE 2FT CONSTRUCTION FENCE IS LEANING APPROX 25 DEGREE TOWARD 295 21 ST ON 6TH AVE THE ENTRY DOOR SWINGS OUT | $500 / $500 / $0 | 34532117M |
Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
OATH tickets (all agencies) 0 unpaid of 27
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 Default PAID IN FULL · DEFAULTED | 2026-01-17 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | BROOKLYN 21 DEVELOPM | $80 / $80 / $0 | 049500776Y |
| No balance due PAID IN FULL | 2023-05-10 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | BROOKLYN 21 DEVELOPM | $50 / $50 / $0 | 047911656N |
| No balance due HEARING COMPLETED · DISMISSED | 2022-06-06 | Dos - Enforcement Agents | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | BROOKLYN 21 DEVELOPM | $0 / $0 / $0 | 047458293K |
| No balance due PAID IN FULL · IN VIOLATION | 2022-06-06 | Sanitation Others | LOOSE RUBBISH 1ST OCCURRENCE | BROOKLYN 21 DEVELOPM | $50 / $50 / $0 | 047475722Y |
| No balance due HEARING COMPLETED · DISMISSED | 2021-04-22 | Sanitation Others | IMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITS | BROOKLYN 21 DEVELOPM | $0 / $0 / $0 | 047189975P |
| No balance due PAID IN FULL | 2020-04-13 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | BROOKLYN 21 DEVELOPM | $100 / $100 / $0 | 0210883815 |
| No balance due HEARING COMPLETED · DISMISSED | 2019-10-22 | Dept Of Transportation | DEFACEMENT OF ROADWAY OR SIDEWALK | BROOKLYN 21 DEVELOPMENT CORP | $0 / $0 / $0 | 0206263577 |
| No balance due PAID IN FULL · STIPULATED | 2019-10-10 | Dep - Bureau Of Env. Complianc | IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF | UNION BEER DISTRIBUTORS | $350 / $350 / $0 | 000663521K |
| No balance due PAID IN FULL | 2019-06-24 | Sanitation Others | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | BROOKLYN 21 DEVELOPM | $25 / $25 / $0 | 0206723918 |
| No balance due HEARING COMPLETED · DISMISSED | 2019-02-14 | Dept Of Transportation | DEFACEMENT OF ROADWAY OR SIDEWALK | BROOKLYN 21 DEVELOPMENT CORP | $0 / $0 / $0 | 0206270781 |
| No balance due HEARING COMPLETED · IN VIOLATION | 2018-05-16 | Fire Department Of Nyc | PERMITS | BROOLYN 21 DEVELOPMENT,CORP | $0 / $0 / $0 | 011608336X |
| No balance due PAID IN FULL | 2018-04-16 | Dos - Enforcement Agents | LOOSE RUBBISH | BROOKLYN 21 DEVELOPM | $100 / $100 / $0 | 044435200L |
Showing 12 of 27 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-08; last loaded 2026-11-08
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; last loaded 2026-11-08; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-08
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 2026-11-08; last loaded 2026-11-08
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 2026-11-08; last loaded 2026-11-08
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 |
|---|---|---|---|---|
| 2025-12-08 | DSNY | Illegal Posting – Poster or Sign | Closed | 2025-12-10 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07; a later sync attempt failed on 2026-11-08; showing the last successful load
Nearby properties
Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.
More in Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
Closest on 6 Ave
- 684 6th Avenue (23 ft)
- 682a 6th Avenue (42 ft)
- 682 6th Avenue (62 ft)
- 688 6th Avenue (81 ft)
- 680 6th Avenue (81 ft) (one open item)
- 678 6th Avenue (100 ft) (67 open items)
Same tax block (891), closest first
- 295 21st Street (66 ft)
- 293 21st Street (85 ft) (seven open items)
- 291 21st Street (107 ft) (25 open items)
- 289 21st Street (131 ft) (25 open items)
- 300 20th Street (146 ft) (four open items)
- 287 21st Street (154 ft) (two open items)
Open-item counts as of November 8, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs