640 48th Street, Sunset Park (Central), Brooklyn, NY 11220
BBL 3007760022 (Borough 3, Block 776, Lot 22) · BIN 3012711 · Last updated: · Sunset Park (Central) · ZIP 11220
Summary · as of November 10, 2026
640 48th Street (Brooklyn, NY 11220; tax lot BBL 3007760022) is a two-family home (building class B9: two-family home, miscellaneous), built around 1910, on a 1,970 sq ft lot zoned R6B. City tax records list the owner as ZHI YU CHEN; the most recent deed with a stated price is dated January 8, 2003 at $450,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $1,230,000. As of November 10, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows no open DOB jobs, active DOB or DOB NOW safety violations, active ECB violations, open HPD violations or unpaid OATH tickets for this lot. 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
- ZHI YU CHEN
- Building class
- B9 · Two-family home, miscellaneous
- Year built · units
- 1910 · 2 res.
- Lot area · zoning
- 1,970 sq ft · R6B
- Market value (DOF)
- $1,230,000 FY2027
- Last priced deed
- $450,000 · 2003-01-08
- BBL
- 3007760022
- BIN
- 3012711
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violationsBIS 0 · DOB NOW safety 0
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “640 48th Street, Brooklyn, NY 11220 (BBL 3007760022)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/640-48th-street-3007760022. 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)
- ZHI YU CHENThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- B9 – Two-family home, miscellaneousThe 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
- 1910Often an estimate for older buildings.
- Floors
- 2
- Units
- 2 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,970 sq ft (19.67 ft × 100.17 ft)
- Building floor area
- 1,824 sq ft
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 0.93 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 3007760022 (Borough 3, Block 776, Lot 22) · BIN 3012711BBL 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 2026-11-12; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08; checked unchanged 2026-11-10
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $1,230,000The 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
- $73,800The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $40,368Assessed 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 | $1,230,000 | $73,800 | 1 |
| 2026 | Final | $1,192,000 | $71,520 | 1 |
| 2025 | Final | $1,126,000 | $67,560 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-12
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 |
|---|---|---|---|---|---|
| 2003-01-08 | DEED | $450,000 | Peralta, Freddy; Peralta, Maximo; Peralta, Marina | Chen, Zhi Yu | 2003013001218001 |
| 1999-09-30 | DEED | $0 / not stated | Peralta, Maximo; Peralta, Marina | Peralta, Marina; Peralta, Freddy; Peralta, Maximo | FT_3250007097725 |
| 1998-03-07 | DEED | $0 / not stated | Remirez, Modesto; Borbor, Rudolfo; Ramirez, Hilda; Peralta, Maximo | Peralta, Maximo; Peralta, Marina | FT_3310006040931 |
| 1991-08-14 | DEED | $0 / not stated | Lasher, Howard L; Wasserstein, Juliusm | Remirez, Modesto; Ramirez, Hilda; Peralto, Maximo; Borbor, Rudolfo | FT_3610001634561 |
| 1991-08-14 | DEED | $0 / not stated | Wasserstein, Juliusm | Wasserstein, Juliusm; Lasher, Howard L | FT_3600001634560 |
| 1981-01-29 | DEED | $0 / not stated | Agrillo Leo; Magnani Elizabeth; Agrillo Elizabeth | Wasserstein Julius | BK_8130121400989 |
| 1973-11-28 | DEED | $0 / not stated | Latawiec John B; Latawiec Helen M | Agrillo Elizabeth; Agrillo Leo | BK_7330067401865 |
Source: ACRIS Real Property Master — city dataset updated 2026-11-10; last loaded 2026-11-12; ACRIS Real Property Legals — city dataset updated 2026-11-10; last loaded 2026-11-12; ACRIS Real Property Parties — city dataset updated 2026-11-10; last loaded 2026-11-12
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 2026-11-10; last loaded 2026-11-11; DOB Job Application Filings (BIS) — city dataset updated 2026-11-09; last loaded 2026-11-10
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 2026-11-09; last loaded 2026-11-10; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07
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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Resolved/dismissed VW*-VIOLATION - WORK W/O PERMIT DISMISSED | 2001-05-17 | C-CONSTRUCTION OTHER OPTIONAL | WORK WITHOUT A PERMIT. WORK NOTED: HAVING CONSTRUCTED PARTITION WALL AND CEILING THROUGHOUT BASEMENT. SUBDIVIDING BASEMENT CREATING APT WITH 2 BATHS AND 1 KITCHEN REMEDY: OBTAIN PERMIT OR RESTORE TO PRIOR LEGAL CONDITION | VW*051701C07AP05 |
| Resolved/dismissed VW*-VIOLATION - WORK W/O PERMIT DISMISSED | 1999-08-10 | C-CONSTRUCTION OTHER OPTIONAL | WORK WITHOUT A PERMIT. WORK NOTED: HAVING CONSTRUCTED PARTITION WALLS AND CEILINGS THROUGHOUT BASEMENT. SUBDIVIDING BASEMENT CREATING 2, APARTMENT WITH PLUMBING AND ELECTRICAL WORK CREATING 2 BATHROOMS AND ONE KITCHEN ALSO CONSTRUCTION OF 2 BEDROOM, 2 LIVINGROOM IN BASEMENT REMEDY: OBTAIN A PERMIT IF FEASIBLE, OR RESTORE PREMISES TO PRIOR | VW*081099C07RH02 |
Source: DOB Violations — city dataset updated 2026-11-11; last loaded 2026-11-11
DOB safety violations (DOB NOW) 0 active of 0
Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.
No records found in this dataset for this lot.
Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-11; last loaded 2026-11-11
ECB violations (DOB) 0 active of 3
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 | 2001-05-17 | Hazardous | WORK WITHOUT A PERMIT.WORK NOTED:HAVING CONSTRUCTED PARTITION WALL AND CEILING THOUGHOUT BSMT.SUBDIVIDING BSMT CREATING APT WITH 2 BATH AND 1 KITCHEN.REMEDY:OBTAIN PERMIT OR RESTORE TO PROIR LEGAL CONDITION. | $800 / $800 / $0 | 34290668J |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 1999-08-10 | Hazardous | RESIDENCE ALTERED AS A DWELLING FOR MORE THAN THE LEGALLY APPROVED # OF FAMILIES. BUILDING DEPARTMENT RECORDS WHICH INDICATE RESIDENCE LEGALLY APPROVED FOR 2 FAMILIES. RESIDENCE NOW ALTERED FOR OCCUPANCY | $3,050 / $3,050 / $0 | 34221101J |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 1999-08-10 | Non-Hazardous | WORK W/O A PERMIT: WORK NOTED: HAVING CONSTRUCTED PARTITION WALLS & CEILINGS THROUGHOUT BSMT. SUBDIVIDING BSMT CREATING 2 APT W/ PLUMBING& ELECTRICAL WORK CREATING 2 BATHRMS & KITCHEN; ALSO CONSTRUCTION OF | $500 / $500 / $0 | 34221014L |
Source: DOB ECB Violations — city dataset updated 2026-11-11; last loaded 2026-11-11
OATH tickets (all agencies) 0 unpaid of 11
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 | 2025-06-06 | Dos - Enforcement Agents | FAILURE TO CLEAN 18 INCHES INTO STREET | ZHI YU CHEN | $50 / $50 / $0 | 049184973L |
| No balance due PAID IN FULL | 2021-05-20 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | ZHI YU CHEN | $100 / $100 / $0 | 047243132L |
| No balance due PAID IN FULL | 2017-06-03 | Dos - Enforcement Agents | DIRTY SIDEWALK DIRTY AREA | ZHI YU CHEN | $100 / $100 / $0 | 041736094R |
| No balance due PAID IN FULL | 2015-07-29 | FAILURE TO CLEAN 18 INCHES INTO STREET | ZHI | $100 / $100 / — | 0188042003 | |
| No balance due PAID IN FULL | 2014-12-10 | Sanitation Dept | DIRTY AREA | ZHI YU CHEN | $100 / $100 / — | 041617443Y |
| No balance due PAID IN FULL | 2014-05-03 | Sanitation Dept | LOOSE RUBBISH | ZHI YU CHEN | $100 / $100 / — | 041754272J |
| No balance due PAID IN FULL | 2012-10-06 | Dos - Enforcement Agents | IMPROPER/MISUSED CURBSIDE RECYCLING CONTAINER(1 TO 8 DWELLING UNITS) | ZHI YU CHEN | $25 / $25 / — | 041426080M |
| No balance due PAID IN FULL | 2012-01-24 | Dos - Enforcement Agents | FAILURE TO CLEAN 18 INCHES INTO STREET | ZHI YU CHEN | $100 / $100 / — | 041614467P |
| No balance due PAID IN FULL | 2009-04-18 | Dos - Enforcement Agents | NON-RECYCLABLES LEFT IN RECYCLING CONTAINER FOR COLLECTION | ZHI YU CHEN | $25 / $25 / — | 041321619X |
| No balance due HEARING COMPLETED · DISMISSED | 2003-02-11 | — / — / — | 0131415168 | |||
| No balance due PAID IN FULL · STIPULATED | 2001-05-17 | $800 / $800 / — | 034290668J |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-11; last loaded 2026-11-12
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 2026-11-10; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-10
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 2026-11-11; last loaded 2026-11-11
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 2026-11-11; last loaded 2026-11-11
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 |
|---|---|---|---|---|
| 2026-06-08 | DPR | Overgrown Tree/Branches – Blocking Street | In Progress | — |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-11; last loaded 2026-11-12
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 Sunset Park (Central): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets · Active vacate orders
Closest on 48 St
- 638 48th Street (19 ft) (two open items)
- 642 48th Street (19 ft)
- 636 48th Street (38 ft)
- 646 48th Street (40 ft) (four open items)
- 648 48th Street (59 ft)
- 634 48th Street (60 ft)
Same tax block (776), closest first
- 4805 6th Avenue (288 ft) (14 open items)
- 4803 6th Avenue (289 ft) (four open items)
- 4801 6th Avenue (291 ft)
- 4802 7th Avenue (327 ft) (48 open items)
Open-item counts as of November 10, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs