764 Classon Avenue, Brooklyn, NY 11238
BBL 3011740037 (Borough 3, Block 1174, Lot 37) · BIN 3259313 · Last updated:
Summary · as of November 5, 2026
764 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3011740037) is an 8-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 1910, on a 2,667 sq ft lot zoned R6A. City tax records list the owner as 764 CLASSON AVE HOUSING CORP. The Department of Finance's final market value for tax year 2027 is $2,003,000. As of November 5, 2026, NYC Open Data shows two OATH tickets with an unpaid balance. 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
- 764 CLASSON AVE HOUSING CORP
- Building class
- C1 · Walk-up apartments, more than six families, no stores
- Year built · units
- 1910 · 8 res.
- Lot area · zoning
- 2,667 sq ft · R6A
- Market value (DOF)
- $2,003,000 FY2027
- Last priced deed
- —
- BBL
- 3011740037
- BIN
- 3259313
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 2OATH tickets with unpaid balance
How to cite: NYC Property Facts, “764 Classon Avenue, Brooklyn, NY 11238 (BBL 3011740037)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/764-classon-avenue-3011740037. 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)
- 764 CLASSON AVE HOUSING CORPThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- C1 – Walk-up apartments, more than six families, no storesThe Department of Finance’s category for what kind of building this is.
- Land use
- Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
- Year built
- 1910Often an estimate for older buildings.
- Floors
- 5
- Units
- 8 residential / 8 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,667 sq ft (26.67 ft × 100 ft)
- Building floor area
- 6,063 sq ft
- Zoning
- R6AThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 2.27 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 3011740037 (Borough 3, Block 1174, Lot 37) · BIN 3259313BBL 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 2026-11-05; 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)
- $2,003,000The 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
- $901,350The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $477,260Assessed value minus any exemptions.
- Tax class
- Tax class 2B – residential rental, 7–10 units
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $2,003,000 | $901,350 | 2B |
| 2026 | Final | $1,669,000 | $751,050 | 2B |
| 2025 | Final | $1,495,000 | $672,750 | 2B |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05
Sales & deed history 7
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 |
|---|---|---|---|---|---|
| 1990-09-07 | DEED | $0 / not stated | Geszonowicz, Ludmila; Gerszonowicz, Elias | 764 Classon Av Housng Cp | FT_3830001567783 |
| 1986-12-09 | DEED | $0 / not stated | City Of New York | Gerszonowicz, Elias; Gerszonowicz, Ludmila | FT_3180001224918 |
| 1983-04-21 | DEED | $0 / not stated one deed covering 516 lots; price is for all of them | Commissioner Of Finance | New York City | FT_3830000956383 |
| 1980-08-18 | DEED | $0 / not stated | Carr Donovan | Carr Sybil; Carr Donovan | BK_8030117900636 |
| 1976-03-29 | DEED | $0 / not stated | Carr Jonathan N; Bennett Maythene | Carr Donavan; Bennett Kenneth | BK_7630083701616 |
| 1967-09-15 | DEED | $0 / not stated | Alko Home Improvements Co Inc | Bennett Mayphene; Carr Jonathan N | BK_6730052600408 |
| 1966-02-24 | DEED | $0 / not stated one deed covering 18 lots; price is for all of them | Goldstein Louis Exrs Of; Goldstein, Louis O | Alko Home Improvement Co Inc | BK_6630005200229 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05
DOB job filings 0 open of 1
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 · 2010-08-12 | 301781828 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2004-07-16 | $75,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05
Work permits 3
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 |
|---|---|---|---|---|
| 2007-02-07 | 2008-02-07 | 301781828 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2006-09-12 | 2007-06-27 | 301781828 BIS | Alteration | ISSUED (renewal) |
| 2006-02-14 | 2006-09-14 | 301781828 BIS | Alteration | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 0 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 |
|---|---|---|---|---|
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2009-12-31 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | V*123109LBLVIO18267 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2006-01-06 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*010606LL629112280 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2004-02-13 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*021304LL629114461 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2003-03-19 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*031903LL629114205 |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-05
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: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED | 1989-06-01 | Non-Hazardous | ALTERED BUILDING OCCUPIED WITHOUT A VALID C OF O. REMEDY: DISCONTINUE ILLEGAL USE AND OBTAIN A C OF O. | $250 / $250 / $0 | 34026724M |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2004-06-28 | Non-Hazardous | B4B,4A,19B | $400 / $400 / $0 | 32044932N |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-05
OATH tickets (all agencies) 2 unpaid of 18
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 # |
|---|---|---|---|---|---|---|
| Unpaid balance Default DEFAULTED · DEFAULTED | 2018-09-21 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | RIVERA | $25 / $0 / $25 | 0201366440 |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2018-08-16 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | FIGUEROA | $25 / $0 / $25 | 0201369347 |
| Hearing pending ASSIGNED | 2026-09-22 | Pcs - Dohmh | FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 2ND | HOUSING CORP | $600 / $0 / $600 | 0803996050 |
| No balance due PAID IN FULL | 2026-06-25 | Pcs - Dohmh | FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST | HOUSING CORP | $300 / $300 / $0 | 0803884630 |
| No balance due PAID IN FULL | 2025-10-20 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | 764 CLASSON AVE HOUSING CORP | $50 / $50 / $0 | 049331297M |
| No balance due PAID IN FULL | 2025-09-25 | Pcs - Dohmh | FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST | CORP | $300 / $300 / $0 | 0803628028 |
| No balance due PAID IN FULL · IN VIOLATION | 2024-08-28 | Pcs - Dohmh | FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST | $300 / $300 / $0 | 0803175350 | |
| No balance due PAID IN FULL | 2024-05-18 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | 764 CLASSON AVE HOUSING CORP | $50 / $50 / $0 | 048247784L |
| No balance due PAID IN FULL | 2024-05-15 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | 764 CLASSON AVE HOUSING CORP | $50 / $50 / $0 | 048247780Y |
| No balance due PAID IN FULL | 2021-08-11 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | 764 CLASSON AVE HOUSING CORP | $100 / $100 / $0 | 047258667J |
| No balance due PAID IN FULL | 2021-08-02 | Sanitation Others | LOOSE RUBBISH | 764 CLASSON AVE HOUSING CORP | $100 / $100 / $0 | 047258655M |
| No balance due PAID IN FULL | 2019-12-26 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | 764 CLASSON AVE HOUSING CORP | $100 / $100 / $0 | 0210191897 |
Showing 12 of 18 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 2026-11-05
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.
- HPD building ID
- 221775
- Last registered
- 2026-09-13
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Agent | Elias Gerszonowicz | Brooklyn, Ny | |
| Shareholder | Elias Gerszonowicz | Brooklyn, Ny | |
| Headofficer | Elias Gerszonowicz | Brooklyn, Ny | |
| Shareholder | Ludmila Gerszonowicz | Brooklyn, Ny | |
| Officer | Elias Gerszonowicz | Brooklyn, Ny | |
| Corporateowner | 764 CLASSON AVE HOUSING CO | Brooklyn, Ny | |
| Sitemanager | Elias Gerszonowicz |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05
HPD housing-code violations 0 open of 5
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 |
|---|---|---|---|---|
| Closed Violation Dismissed · 2021-05-25 | A | 2021-04-07 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Closed Violation Dismissed · 2020-01-08 | I | 2019-10-29 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Closed Violation Dismissed · 2018-09-27 | I | 2017-11-20 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Closed Violation Dismissed · 2016-12-01 | I | 2016-11-04 | SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF P | |
| Closed Violation Dismissed · 2015-01-23 | B | 2014-10-17 | SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 100 WATTS MINIMUM REQUIRED (LIGHT FIXTURES PRESENT) |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-05; data as of 2026-11-05
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 2026-11-05; data as of 2026-11-05
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 |
|---|---|---|---|---|
| 2026-09-20 | DPR | Maintenance or Facility – Rodent Sighting | Closed | 2026-09-29 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05
Nearby properties
On Classon Ave
- 762 Classon Avenue (54 open items)
- 766 Classon Avenue (17 open items)
- 760 Classon Avenue (six open items)
- 774 Classon Avenue (10 open items)
- 753 Classon Avenue (315 open items)
- 776 Classon Avenue (13 open items)
- 777 Classon Avenue (11 open items)
- 788 Classon Avenue (six open items)
- 790 Classon Avenue (five open items)
- 736 Classon Avenue (19 open items)
Same tax block (1174)
- 769 Washington Avenue (nine open items)
- 767 Washington Avenue (10 open items)
- 765 Washington Avenue (seven open items)
- 763 Washington Avenue (nine open items)
- 761 Washington Avenue (three open items)
- 759 Washington Avenue (11 open items)
- 753 Washington Avenue (one open item)
- 745 Washington Avenue (25 open items)
- 474 Sterling Place (three open items)
- 482 Sterling Place (one open item)
All properties on Classon Ave, Brooklyn · All of Brooklyn 11238
Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs