750 Knickerbocker Avenue, Brooklyn, NY 11221
BBL 3033980033 (Borough 3, Block 3398, Lot 33) · BIN 3078359 · Last updated:
Also recorded in city data as: 736 Knickerbocker Ave · 293 Weirfield St
Summary · as of November 6, 2026
750 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033980033) is a religious building (building class M1: religious building (subtype M1)), built around 1914, on a 20,000 sq ft lot zoned R6. City tax records list the owner as ST MARTIN OF TOURS RC. The Department of Finance's final market value for tax year 2027 is $2,695,000. As of November 6, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off and one active ECB violation. There were three 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
- ST MARTIN OF TOURS RC
- Building class
- M1 · Religious building
- Year built · units
- 1914 · 0 res.
- Lot area · zoning
- 20,000 sq ft · R6
- Market value (DOF)
- $2,695,000 FY2027
- Last priced deed
- —
- BBL
- 3033980033
- BIN
- 3078359
- 2Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 1Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “750 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033980033)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/750-knickerbocker-avenue-3033980033. 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)
- ST MARTIN OF TOURS RCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- M1 – Religious building (subtype M1)The Department of Finance’s category for what kind of building this is.
- Land use
- Public facilities & institutionsCity Planning’s broad category of how the lot is used.
- Year built
- 1914Often an estimate for older buildings.
- Floors
- 2
- Units
- 0 residential / 0 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 20,000 sq ft (200 ft × 100 ft)
- Building floor area
- 11,245 sq ft (incl. 11,245 sq ft commercial)
- Zoning
- R6The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 0.56 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 3033980033 (Borough 3, Block 3398, Lot 33) · BIN 3078359BBL 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)
- $2,695,000The 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
- $1,212,750The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $1,212,750Assessed value minus any exemptions.
- Tax class
- Tax class 4 – commercial / industrial
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $2,695,000 | $1,212,750 | 4 |
| 2026 | Final | $2,630,000 | $1,183,500 | 4 |
| 2025 | Final | $2,591,000 | $1,165,950 | 4 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06
Sales & deed history 0
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.
No records found in this dataset for this lot.
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 2 open of 5
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 Entire · 2022-08-25 | B00781218-I1 DOB NOW | Alteration | 2022-07-26 | $45,000 |
| Permitted, not signed off Permit Entire · 2020-12-27 | B00233728-I1 DOB NOW | Alteration | 2020-03-11 | $10,000 |
| Not open SIGNED OFF · 2020-12-16 | 322012665 BIS | A3 – Minor alteration (one type of work) | 2019-08-26 | $12,000 |
| Not open SIGNED OFF · 2019-04-25 | 321824139 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2018-09-20 | $29,000 |
| Not open SIGNED OFF · 2004-07-13 | 301659783 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2003-10-30 | $50,000 |
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 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 |
|---|---|---|---|---|
| 2022-08-25 | 2023-06-09 | B00781218-I1 DOB NOW | General Construction PROPOSED INTALLATION OF TILES AND PAINTING TO BE DONE AS NEEDED AS SHOWN IN PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION | Permit Issued |
| 2020-03-23 | 2020-11-30 | B00233728-I1 DOB NOW | Plumbing PROPOSED RENOVATION OF TOILETS IN BASEMENT AS SHOWN IN PLANS NO CHANGE IN USE, EGRESS OR OCCUPANCY. | Signed-off |
| 2020-02-18 | 2020-11-30 | 322012665 BIS | Alteration / Other / general construction | ISSUED (renewal) |
| 2019-08-26 | 2019-12-06 | 322012665 BIS | Alteration / Other / general construction | ISSUED (initial) |
| 2018-09-24 | 2019-09-06 | 321824139 BIS | Equipment work / Boiler | ISSUED (initial) |
| 2018-09-20 | 2019-09-20 | 321824139 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2018-09-20 | 2019-09-20 | 321824139 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2003-11-06 | 2004-05-06 | 301659783 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 2
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 |
|---|---|---|---|---|
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2013-03-01 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT | V*030113LBLVIO09179 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2011-12-13 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT | V*121311LBLVIO12248 |
Source: DOB Violations — city dataset updated 2026-11-05; data as of 2026-11-06
ECB violations (DOB) 1 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: DEFAULT · Certification: CERTIFICATE ACCEPTED | 2017-06-25 | CLASS - 2 | FAILURE TO COMPLY W/THE COMM'S ORDER CONTAINED IN SUMMONS/VIO#35260362X ISSUED ON 05/12/17 & TO FILE A C OF C PURSUANT TO 28-201.1 & 1RCNY 102-01. NO C OF C FILED FOR CORRECTING VIOLATING CONDITION NO TEMP C O | $2,000 / $4,088 / $-2,000 | 35274966Y |
| Active Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED | 2020-07-15 | CLASS - 2 | AT TIME OF INSPECTION,OBSERVED ONGOING CONSTRUCTION ACTIVITIES CONTRARY TO MAYORS EMERGENCY EXTECUTIVE ORDER 120 & SUBSEQUENT ORDER INCORPORATION REQUIREMENTS OF GOVERNONRS EXECUTIVE ORDER 202.34 & SUBSEQUENT & | $5,000 / $5,235 / $0 | 35497174Y |
Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06
OATH tickets (all agencies) 0 unpaid of 6
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 | 2020-07-15 | Dept. Of Buildings | FAILURE TO COMPLY WITH INVOLVING CONST AND OR EQUIP SAFETY OPERATIONS | OMEGA STUCCO CORP | $5,000 / $5,235 / $0 | 035497174Y |
| No balance due Default PAID IN FULL · DEFAULTED | 2017-06-25 | Dept. Of Buildings | FAIL TO COMPLY W COMMISSIONER ORDER TO FILE CERT OF CORRECTION W DOB | KNICKERBOCKER LOFTS LLC | $2,000 / $4,088 / $-2,000 | 035274966Y |
| No balance due Default PAID IN FULL · DEFAULT | 2015-08-21 | Dept Of Transportation | CONSTRUCTION MATERIALS EQUIPMENT STORED ON STREET W 0 PERMIT | M Y DEVELOPERS INC | $2,250 / $768 / — | 0700133428 |
| No balance due PAID IN FULL · IN VIOLATION | 2009-04-06 | Fire Department Of Nyc | AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION | ST MARTIN OF TOURS RECHURCH | $250 / $500 / — | 011138044K |
| No balance due HEARING COMPLETED · IN VIOLATION | 2002-02-20 | — / — / — | 010780792H | |||
| No balance due PAID IN FULL | 2000-05-18 | $50 / $50 / — | 0115255810 |
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 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 2026-11-05; 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) 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 |
|---|---|---|---|---|
| 2026-08-17 | DEP | Water Maintenance – Fire Hydrant Running | Closed | 2026-08-20 |
| 2026-08-12 | NYPD | Illegal Parking – Blocked Crosswalk | Closed | 2026-08-12 |
| 2026-07-28 | NYPD | Illegal Parking – Blocked Hydrant | Closed | 2026-07-28 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-06; data as of 2026-11-06
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
- 749 Knickerbocker Avenue (11 open items)
- 739 Knickerbocker Avenue (two open items)
- 735 Knickerbocker Avenue (63 open items)
- 733 Knickerbocker Avenue (10 open items)
- 730 Knickerbocker Avenue (five open items)
- 729 Knickerbocker Avenue (17 open items)
- 728 Knickerbocker Avenue (21 open items)
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- 726 Knickerbocker Avenue (25 open items)
- 724 Knickerbocker Avenue (14 open items)
Same tax block (3398)
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- 1240 Hancock Street (40 open items)
- 1244 Hancock Street (three open items)
- 1246 Hancock Street (nine open items)
- 1248 Hancock Street
- 1250 Hancock Street
- 1252 Hancock Street (three open items)
- 1254 Hancock Street (one open item)
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