717 Knickerbocker Avenue, Brooklyn, NY 11221
BBL 3033920007 (Borough 3, Block 3392, Lot 7) · BIN 3078032 · Last updated:
Summary · as of November 6, 2026
717 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033920007) 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 1925, on a 1,876 sq ft lot zoned R6. City tax records list the owner as KHAN MOHAMMAD B. The Department of Finance's final market value for tax year 2027 is $1,351,000. As of November 6, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, five active DOB violations and 20 open HPD violations. There were three 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
- KHAN MOHAMMAD B
- Building class
- S2 · Mixed-use: two-family home with one store or office
- Year built · units
- 1925 · 2 res.
- Lot area · zoning
- 1,876 sq ft · R6
- Market value (DOF)
- $1,351,000 FY2027
- Last priced deed
- —
- BBL
- 3033920007
- BIN
- 3078032
- 1Open DOB jobs (permit issued, no sign-off)
- 5Active DOB violations
- 0Active ECB violations
- 20Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “717 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033920007)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/717-knickerbocker-avenue-3033920007. 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)
- KHAN MOHAMMAD BThe 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
- 1925Often 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
- 1,876 sq ft (19.75 ft × 95 ft)
- Building floor area
- 3,259 sq ft (incl. 652 sq ft commercial)
- Zoning
- R6, C1-3The 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)
- 1.74 built / 2.43 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 3033920007 (Borough 3, Block 3392, Lot 7) · BIN 3078032BBL 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 2026-11-07; 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)
- $1,351,000The 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
- $81,060The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $31,291Assessed 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 | $1,351,000 | $81,060 | 1 |
| 2026 | Final | $1,333,000 | $79,980 | 1 |
| 2025 | Final | $1,130,000 | $67,800 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-07
Sales & deed history 2
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 |
|---|---|---|---|---|---|
| 1985-03-19 | DEED | $0 / not stated one deed covering 4 lots; price is for all of them | Hogan, Jenny; Hogan, Edward | Khan, Mohammad Bashir; Khan, Azar Begum | FT_3790001078479 |
| 1981-10-07 | DEED | $0 / not stated | Backmeier Antoinette Sophie; Backmeier Herman | Hogan Jenny; Hogan Edward | BK_8130127000118 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-07
DOB job filings 1 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 |
|---|---|---|---|---|
| Permitted, not signed off PERMIT ISSUED - PARTIAL JOB · 2003-11-21 | 301652922 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2003-10-17 | $3,000 |
| Not open SIGNED OFF · 2016-08-10 | 321274973 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2015-11-18 | $4,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06
Work permits 2
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 |
|---|---|---|---|---|
| 2015-12-04 | 2016-10-01 | 321274973 BIS | Equipment work / Fire suppression | ISSUED (initial) |
| 2003-11-21 | 2004-06-12 | 301652922 BIS | Equipment work / Fire suppression | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; data as of 2026-11-07
DOB violations 5 active of 8
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 | 2023-06-30 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION | V063023LBLVIO26593 |
| Active V-DOB VIOLATION - ACTIVE | 2023-06-30 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION | V063023LBLVIO06656 |
| Active V-DOB VIOLATION - ACTIVE | 2023-04-25 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION | V042523LBLVIO12835 |
| Active V-DOB VIOLATION - ACTIVE | 2018-04-06 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT | V040618LBLVIO09736 |
| Active V-DOB VIOLATION - ACTIVE | 2017-02-24 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT | V022417LBLVIO07645 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2009-01-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*010109LL629113252 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1998-05-04 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*050498LL629120147 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1994-07-25 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*072594LL629102725 |
Source: DOB Violations — city dataset updated 2026-11-06; data as of 2026-11-07
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 2026-11-06; data as of 2026-11-07
OATH tickets (all agencies) 0 unpaid of 9
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 | 2026-10-04 | Dos - Enforcement Agents | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | KHAN MOHAMMAD B | $50 / $50 / $0 | 080096328M |
| No balance due HEARING COMPLETED · IN VIOLATION | 2019-07-23 | Fire Department Of Nyc | GENERAL MAINTENANCE | ANGELAS BAKERY CORP | $0 / $0 / $0 | 011693198X |
| No balance due PAID IN FULL · IN VIOLATION | 2011-04-29 | Fire Department Of Nyc | FIRE-RATED CONSTRUCTION | MOHAMMED KHAN | $1,000 / $1,000 / — | 011093148Z |
| No balance due HEARING COMPLETED · IN VIOLATION | 2010-03-04 | Fire Department Of Nyc | INSPECTION AND TESTING | ANGELA'S BAKERY | — / — / — | 011196616M |
| No balance due HEARING COMPLETED · IN VIOLATION | 2006-03-03 | — / — / — | 010974481X | |||
| No balance due HEARING COMPLETED · IN VIOLATION | 2005-05-18 | — / — / — | 010893830K | |||
| No balance due PAID IN FULL | 2005-03-03 | $100 / $100 / — | 0145512328 | |||
| No balance due PAID IN FULL | 2004-03-23 | $100 / $100 / — | 0141690881 | |||
| No balance due HEARING COMPLETED · IN VIOLATION | 2002-08-23 | — / — / — | 010628633Y |
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 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-07
HPD housing-code violations 20 open of 20
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 · 2016-09-06 | B | 2016-09-06 | 2FL | SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF BEDBUGS IN THE ENTIRE APARTMENT LOCATED AT APT 2FL, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST |
| Open Nov Sent Out · 2008-07-03 | B | 2008-07-03 | SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE & ROACHES, 3RD STY. APT. 2. | |
| Open Nov Sent Out · 2008-07-03 | B | 2008-07-03 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRIC WIRE WALL TO CEILING, 3RD STY. APT. 2, BATHROOM. | |
| Open Nov Sent Out · 2008-07-03 | B | 2008-07-03 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF UNCAPPED GAS LINE AT SOUTH WALL, 3RD STY. APT. 2, KITCHEN. | |
| Open Nov Sent Out · 2008-07-03 | B | 2008-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR AT PRIVATE HALL, 3RD STY. APT. 2. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE INOPERABLE BALANCE LOWER SASHES WINDOWS FRONT ROOM 2ND 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 ELECTRICAL LIGHT SYSTEM CEILING KITCHEN 2ND STY. 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 & ROACHES THROUGHOUT 2ND STY. APT. 1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE GLASS TRANSOME ENTRANCE DOOR FRAME STREET TO VESTIBULE 1ST STY. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE CASEMENT WINDOW BATHROOM 2ND STY. APT. 1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2038 ADMIN CODE: PROVIDE ADEQUATE LIGHTING FOR 60 WATTS 2ND STY. PUBLIC HALL. | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REFIT DOOR WEST ENTRANCE TO FRONT ROOM 2ND STY. APT. 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 PLASTER WALLS 2ND STY. PUBLIC HALL. | |
| Open Nov Sent Out · 2006-07-03 | A | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE WOOD PANEL UNDER WINDOW FRONT ROOM 2ND 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 ELECTRICAL OUTLET WALL KITCHEN 2ND STY. APT. 1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005,2007 ADMIN. CODE: FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR GATES FROM WINDOW TO FIRE ESCAPE 2ND STY. 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 WALLS & CEILING KITCHEN 2ND STY. 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 WALLS 1ST & 2ND ROOMS FROM FRONT, 2ND STY. APT. 1. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING DOOR ENTRANCE STREET TO VESTIBULE STY. | |
| Open Nov Sent Out · 2006-07-03 | B | 2006-07-03 | SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING KNOBS & LOCK ASSEMBLY DOOR VESTIBULE TO 1ST STY. PUBLIC HALL. |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-06; data as of 2026-11-07
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 |
|---|---|---|---|---|
| 2026-02-02 | CLOSE | BLDG | Heat/Hot Water – Entire Building | HPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection |
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-07; data as of 2026-11-07
311 requests (last 12 months) 3
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 |
|---|---|---|---|---|
| 2026-10-10 | NYPD | Noise - Street/Sidewalk – Loud Music/Party | Closed | 2026-10-10 |
| 2026-08-31 | NYPD | Abandoned Vehicle – With License Plate | Closed | 2026-08-31 |
| 2026-02-02 | HPD | HEAT/HOT WATER – ENTIRE BUILDING | Closed | 2026-02-07 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; data as of 2026-11-07
Nearby properties
More in Bedford-Stuyvesant (East): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
On Knickerbocker Ave
- 716 Knickerbocker Avenue (six open items)
- 718 Knickerbocker Avenue (32 open items)
- 719 Knickerbocker Avenue (six open items)
- 715 Knickerbocker Avenue
- 714 Knickerbocker Avenue (11 open items)
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- 723 Knickerbocker Avenue (33 open items)
Same tax block (3392)
- 733 Knickerbocker Avenue (10 open items)
- 729 Knickerbocker Avenue (17 open items)
- 727 Knickerbocker Avenue (16 open items)
- 723 Knickerbocker Avenue (33 open items)
- 719 Knickerbocker Avenue (six open items)
- 715 Knickerbocker Avenue
- 713 Knickerbocker Avenue (nine open items)
- 711 Knickerbocker Avenue (19 open items)
- 1376 Jefferson Avenue (eight open items)
- 1378 Jefferson Avenue
All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11221
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