341 Prospect Avenue, Park Slope, Brooklyn, NY 11215
BBL 3010550045 (Borough 3, Block 1055, Lot 45) · BIN 3024295 · Last updated: · Park Slope · ZIP 11215
Summary · as of November 10, 2026
341 Prospect Avenue (Brooklyn, NY 11215; tax lot BBL 3010550045) is a 1-unit mixed-use building with apartments and ground-floor commercial space (building class S1: mixed-use: one-family home with one store or office), built around 1901, on a 1,241 sq ft lot zoned R5B. City tax records list the owner as WANG, HARVEY; per ACRIS, a deed to this owner dated September 9, 2016 lists a price of $1,440,000. The Department of Finance's final market value for tax year 2027 is $3,052,000. As of November 10, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows one DOB job with a permit issued but no sign-off. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- WANG, HARVEY
- Building class
- S1 · Mixed-use: one-family home with one store or office
- Year built · units
- 1901 · 1 res.
- Lot area · zoning
- 1,241 sq ft · R5B
- Market value (DOF)
- $3,052,000 FY2027
- Last priced deed
- $1,440,000 · 2016-09-09
- BBL
- 3010550045
- BIN
- 3024295
- 1Open 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, “341 Prospect Avenue, Brooklyn, NY 11215 (BBL 3010550045)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/341-prospect-avenue-3010550045. 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)
- WANG, HARVEYThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- S1 – Mixed-use: one-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
- 1901Often an estimate for older buildings. Major alteration recorded: 2004, 2016.
- Floors
- 3
- Units
- 1 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,241 sq ft (17 ft × 73 ft)
- Building floor area
- 2,024 sq ft (incl. 1,004 sq ft commercial)
- Zoning
- R5BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.63 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 3010550045 (Borough 3, Block 1055, Lot 45) · BIN 3024295BBL 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)
- $3,052,000The 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
- $183,120The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $23,618Assessed 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 | $3,052,000 | $183,120 | 1 |
| 2026 | Final | $2,321,000 | $139,260 | 1 |
| 2025 | Final | $1,833,000 | $109,980 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-12
Sales & deed history 4
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 |
|---|---|---|---|---|---|
| 2026-07-09 | DEED | $0 / not stated | Wang, Harvey; Brost, Amy | Wang, Harvey; Brost, Amy | 2026072700774001 |
| 2016-09-09 | DEED | $1,440,000 | Alba, Blanca; Alba Feliciano, Blanca; Stella Vasquez, Maria | Brost, Amy; Wang, Harvey | 2016091900466002 |
| 2000-05-24 | DEED | $0 / not stated | Salim, Luis; Vasquez, Maria Stella; Feliciano, Blanca Alba; Alba, Blanca | Feliciano,, Blanca Alba; Vasquez, Maria Stella; Feliciano, Blanca Alba | FT_3650007366365 |
| 1992-12-18 | DEED | $0 / not stated | Vinci, Fannie/Aka; Vinci, Stephanie | Alba, Blanca; Vasquez, Maria Stella; Salim, Luis | FT_3010001738701 |
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 1 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 ISSUED - PARTIAL JOB · 2002-12-16 | 301479610 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2002-12-10 | $50,000 |
| Not open SIGNED OFF · 2017-11-03 | 321515936 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2017-01-26 | $43,150 |
| Not open SIGNED OFF · 2017-06-29 | 340440847 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2016-11-04 | $33,080 |
| Not open PLAN EXAM - DISAPPROVED · 2016-11-04 | 321474604 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2016-11-03 | $61,280 |
| Not open SIGNED OFF · 2004-12-14 | 301628317 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2003-08-18 | $10,000 |
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 6
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 |
|---|---|---|---|---|
| 2017-04-21 | 2017-06-22 | 321515936 BIS | Alteration | ISSUED (initial) |
| 2016-11-21 | 2017-11-21 | 340440847 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2016-11-15 | 2017-06-22 | 340440847 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2003-09-16 | 2004-09-15 | 301628317 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2003-09-10 | 2004-09-09 | 301628317 BIS | Alteration | ISSUED (initial) |
| 2002-12-16 | 2003-10-05 | 301479610 BIS | Alteration | ISSUED (initial) |
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 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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.
No records found in this dataset for this lot.
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 1
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: CURED/IN-VIO · Certification: CURE ACCEPTED | 2004-11-10 | Non-Hazardous | NEW BUILDING OCCUPIED W/O A VALID CERTIFICATE OF OCCUPANCY.NEW BUILDING NUMBER:301628317.NOTE:TEMPORARY C OF O #301628317 ISSUED ON :JUNE 30,2004,EXPIRED ON:09/28/04.REMEDY:OBTAIN A VALID C OF O. | $0 / $0 / $0 | 34456125K |
Source: DOB ECB Violations — city dataset updated 2026-11-11; last loaded 2026-11-11
OATH tickets (all agencies) 0 unpaid of 8
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 HEARING COMPLETED · IN VIOLATION | 2019-01-23 | Fire Department Of Nyc | CERTIFICATES OF FITNESS AND CERTIFICATES OF QUALIFICATION | PROSPECT KIDS ACADEMY | $0 / $0 / $0 | 011652997L |
| No balance due PAID IN FULL | 2017-05-03 | Dos - Enforcement Agents | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | WANG | $25 / $25 / $0 | 044445657K |
| No balance due Default PAID IN FULL · DEFAULTED | 2012-07-10 | Dos - Enforcement Agents | POSTING OF SIGN/PERMIT, WASTE REMOVAL | PROSPECT KIDS ACADEMY INC | $100 / $100 / — | 041424961N |
| No balance due PAID IN FULL | 2011-03-02 | Dos - Enforcement Agents | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | MARIA STELLA VASQUEZ | $25 / $25 / — | 041623388L |
| No balance due Default PAID IN FULL · DEFAULTED | 2008-08-27 | Dos - Enforcement Agents | NON-RECYCLABLES LEFT IN RECYCLING CONTAINER FOR COLLECTION | MARIA STELLA VASQUEZ | $25 / $25 / — | 041611170K |
| No balance due HEARING COMPLETED · DISMISSED | 2008-08-02 | Sanitation Others | STORAGE OF RECEPTACLES | VASQUEZ | — / — / — | 0160833540 |
| No balance due HEARING COMPLETED · IN VIOLATION | 2004-11-10 | — / — / — | 034456125K | |||
| No balance due PAID IN FULL | 2004-08-14 | $25 / $25 / — | 0143254953 |
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.
- HPD building ID
- 356173
- Last registered
- 2026-08-30
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Jointowner | Amy Brost | Tarrytown, Ny | |
| Agent | Harvey Wang | New York, Ny | |
| Jointowner | Harvey Wang | Tarrytown, Ny | |
| Sitemanager | Harvey Wang |
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 7
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 · 2026-08-31 | I | 2025-11-24 | §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 · 2026-08-31 | I | 2024-12-04 | §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 · 2026-08-31 | 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 | |
| Closed Violation Dismissed · 2026-08-31 | I | 2022-11-17 | §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 · 2021-08-06 | I | 2021-04-21 | §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 · 2018-11-16 | I | 2018-10-30 | §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 Closed · 2016-10-14 | C | 2009-09-08 | 1 | § 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MOLDS ON CEILING AND NORTH WALL IN THE BATHROOM LOCATED AT APT 1, 2nd STORY |
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) 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 2026-11-11; 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 Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets · Active vacate orders
Closest on Prospect Ave
- 343 Prospect Avenue (16 ft)
- 337 Prospect Avenue (22 ft) (four open items)
- 335 Prospect Avenue (48 ft) (six open items)
- 333 Prospect Avenue (71 ft) (20 open items)
- 331 Prospect Avenue (90 ft) (one open item)
- 329 Prospect Avenue (109 ft)
Same tax block (1055), closest first
- 36 Jackson Place (44 ft) (14 open items)
- 34 Jackson Place (58 ft)
- 32 Jackson Place (68 ft)
- 28 Jackson Place (88 ft)
- 26 Jackson Place (110 ft)
- 24 Jackson Place (130 ft)
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