930 Ralph Avenue, Brooklyn, NY 11236
BBL 3047070048 (Borough 3, Block 4707, Lot 48) · BIN 3103220 · Last updated:
Summary · as of November 6, 2026
930 Ralph Avenue (Brooklyn, NY 11236; tax lot BBL 3047070048) is a two-family home (building class B3: two-family home converted from one-family), built around 1940, on a 2,650 sq ft lot zoned R5. City tax records list the owner as DIAMANKA, OUMAR; per ACRIS, a deed to this owner dated January 5, 2017 lists a price of $540,000. The Department of Finance's final market value for tax year 2027 is $847,000. As of November 6, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- DIAMANKA, OUMAR
- Building class
- B3 · Two-family home converted from one-family
- Year built · units
- 1940 · 2 res.
- Lot area · zoning
- 2,650 sq ft · R5
- Market value (DOF)
- $847,000 FY2027
- Last priced deed
- $540,000 · 2017-01-05
- BBL
- 3047070048
- BIN
- 3103220
- 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, “930 Ralph Avenue, Brooklyn, NY 11236 (BBL 3047070048)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/930-ralph-avenue-3047070048. 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)
- DIAMANKA, OUMARThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- B3 – Two-family home converted from one-familyThe Department of Finance’s category for what kind of building this is.
- Land use
- One- & two-family buildingsCity Planning’s broad category of how the lot is used.
- Year built
- 1940Often an estimate for older buildings.
- Floors
- 1
- Units
- 2 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,650 sq ft (26.5 ft × 100 ft)
- Building floor area
- 2,079 sq ft
- Zoning
- R5The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 0.78 built / 1.50 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 3047070048 (Borough 3, Block 4707, Lot 48) · BIN 3103220BBL 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)
- $847,000The 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
- $50,820The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $35,351Assessed 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 | $847,000 | $50,820 | 1 |
| 2026 | Final | $820,000 | $49,200 | 1 |
| 2025 | Final | $808,000 | $48,480 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06
Sales & deed history 6
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 |
|---|---|---|---|---|---|
| 2017-01-05 | DEED | $0 / not stated | Clarke, Cleron | Clarke, Cleron; Fraser, Lionel | 2017010601445002 |
| 2017-01-05 | CORRD | $0 / not stated | The Estate Of Esmeralda Matilda Fraser; The Estate Of Esmerald Fraser; Cleron Clarke, As Executor; The Estate Of Esmeralda Frazer | Clarke, Cleron | 2017010601445001 |
| 2017-01-05 | DEED | $540,000 | Fraser, Lionel; Clarke, Cleron | Sabaly, Fatoumata; Diamanka, Oumar | 2017010601445003 |
| 2013-10-01 | DEED | $10 | Fraser, Lionel; Estate Of Esmeralda Fraser, Cleron Clarke, Exec. Of; Clarke, Cleron | Fraser, Lionel; Clarke, Cleron | 2013101801038001 |
| 1991-05-24 | DEED | $0 / not stated | Frazer, Esmeralda; Frazer, Lionell | Frazer, Esmeralda | FT_3080001620508 |
| 1976-12-10 | DEED | $0 / not stated | Grekin Sara | Fraser Lionell; Fraser Esmeralda | BK_7630088900878 |
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 0 open of 0
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.
No records found in this dataset for this lot.
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 0
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.
No records found in this dataset for this lot.
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 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 2026-11-05; data as of 2026-11-06
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 2026-11-05; data as of 2026-11-06
OATH tickets (all agencies) 0 unpaid of 3
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 # |
|---|---|---|---|---|---|---|
| Hearing pending NEW ISSUANCE | 2026-09-26 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | DIAMANKA OUMAR | $50 / $0 / $50 | 049761995J |
| No balance due Default PAID IN FULL · DEFAULTED | 2020-05-09 | Sanitation Others | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | DIAMANKA | $130 / $130 / $0 | 0210951227 |
| No balance due PAID IN FULL | 2001-01-24 | $25 / $25 / — | 0117034610 |
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.
- HPD building ID
- 360237
- Last registered
- 2026-09-30
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Sitemanager | Fatoumata Sabaly | ||
| Individualowner | Oumar Diamanka | Brooklyn, Ny | |
| Agent | Fatoumata Sabaly | Brooklyn, Ny |
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 2
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 · 2026-10-01 | I | 2025-11-25 | §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 · 2024-10-03 | I | 2023-11-28 | §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 |
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) 0
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.
No records found in this dataset for this lot.
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-06; data as of 2026-11-06
Nearby properties
More in Canarsie: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
On Ralph Ave
- 931 Ralph Avenue (two open items)
- 929 Ralph Avenue
- 928 Ralph Avenue (15 open items)
- 934 Ralph Avenue
- 925 Ralph Avenue (one open item)
- 924 Ralph Avenue (four open items)
- 936 Ralph Avenue (six open items)
- 937 Ralph Avenue
- 922 Ralph Avenue (five open items)
- 939 Ralph Avenue
Same tax block (4707)
- 972 Ralph Avenue
- 143 East 59th Street (two open items)
- 141 East 59th Street (13 open items)
- 139 East 59th Street
- 135 East 59th Street (three open items)
- 133 East 59th Street (three open items)
- 131 East 59th Street (19 open items)
- 127 East 59th Street (seven open items)
- 125 East 59th Street (seven open items)
- 119 East 59th Street (two open items)
All properties on Ralph Ave, Brooklyn · All of Brooklyn 11236
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