305 3rd Avenue, Brooklyn, NY 11215
BBL 3004540005 (Borough 3, Block 454, Lot 5) · BIN 3007687 · Last updated: · Park Slope · ZIP 11215
Summary · as of November 8, 2026
305 3rd Avenue (Brooklyn, NY 11215; tax lot BBL 3004540005) is a school or educational building (building class W1: educational building (subtype W1)), built around 1966, on a 8,592 sq ft lot zoned M1-4/R6B. City tax records list the owner as WSEM REALTY LLC. The Department of Finance's final market value for tax year 2027 is $1,035,000. As of November 8, 2026, NYC Open Data shows one OATH ticket with an unpaid balance. There were 30 311 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
- WSEM REALTY LLC
- Building class
- W1 · Educational building
- Year built · units
- 1966 · 0 res.
- Lot area · zoning
- 8,592 sq ft · M1-4/R6B
- Market value (DOF)
- $1,035,000 FY2027
- Last priced deed
- —
- BBL
- 3004540005
- BIN
- 3007687
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 1OATH tickets with unpaid balance
How to cite: NYC Property Facts, “305 3rd Avenue, Brooklyn, NY 11215 (BBL 3004540005)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/305-3rd-avenue-3004540005. 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)
- WSEM REALTY LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- W1 – Educational building (subtype W1)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
- 1966Often an estimate for older buildings.
- Floors
- 1
- Units
- 0 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 8,592 sq ft (87.17 ft × 100 ft)
- Building floor area
- 9,400 sq ft (incl. 9,400 sq ft commercial)
- Zoning
- M1-4/R6B, GThe zoning district sets what can be built and used here. Manufacturing district.
- Built vs. allowed density (FAR)
- 1.09 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 3004540005 (Borough 3, Block 454, Lot 5) · BIN 3007687BBL 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 2026-11-08; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $1,035,000The 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
- $465,750The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $444,060Assessed value minus any exemptions.
- Tax class
- Tax class 4 – commercial / industrial
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $1,035,000 | $465,750 | 4 |
| 2026 | Final | $1,010,000 | $454,500 | 4 |
| 2025 | Final | $995,000 | $447,750 | 4 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08
Sales & deed history 1
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 |
|---|---|---|---|---|---|
| 1999-12-20 | DEED | $0 / not stated | V.R.F. Realty Corp | Wsem Realty Llc | FT_3220007103522 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-08
DOB job filings 0 open of 8
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 Filing Withdrawn · 2024-08-07 | B00018213-I1 DOB NOW | Alteration | 2018-02-21 | $1,000 |
| Not open SIGNED OFF · 2024-12-30 | 321317963 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2016-02-26 | $1,000 |
| Not open SIGNED OFF · 2019-09-26 | 321252121 BIS | A3 – Minor alteration (one type of work) | 2015-10-05 | — |
| Not open SIGNED OFF · 2019-10-08 | 321228881 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2015-08-28 | $345,683 |
| Not open SIGNED OFF · 2019-01-05 | 321212344 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2015-08-19 | $1,093,565 |
| Not open SIGNED OFF · 2018-07-19 | 321212353 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2015-08-19 | $130,429 |
| Not open SIGNED OFF · 2019-04-04 | 321206841 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2015-08-14 | $1,442,574 |
| Not open SIGNED OFF · 2009-10-29 | 320064498 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2009-08-21 | $32,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Job Application Filings (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-08
Work permits 16
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 |
|---|---|---|---|---|
| 2018-05-11 | 2019-05-11 | 321317963 BIS | Alteration | ISSUED (renewal) |
| 2018-05-04 | 2018-11-01 | 321212344 BIS | Equipment work / Mechanical/HVAC | ISSUED (renewal) |
| 2018-05-04 | 2018-11-01 | 321206841 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2018-05-04 | 2018-11-01 | 321228881 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2018-02-22 | 2019-02-22 | B00018213-I1 DOB NOW | Sign install sign on wall. no change in use, egress or occcupancy | Permit Issued |
| 2017-02-27 | 2018-02-27 | 321212344 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2016-08-31 | 2017-08-31 | 321317963 BIS | Alteration | ISSUED (initial) |
| 2016-08-11 | 2017-08-09 | 321206841 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2016-08-11 | 2017-08-09 | 321228881 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2016-08-11 | 2017-08-09 | 321212344 BIS | Equipment work / Mechanical/HVAC | ISSUED (renewal) |
| 2016-08-03 | 2017-02-02 | 321212344 BIS | Equipment work / Boiler | ISSUED (initial) |
| 2016-07-25 | 2016-08-09 | 321228881 BIS | Equipment work / Other / general construction | ISSUED (initial) |
Showing 12 of 16 records. The API and the source dataset have the full list.
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07
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 | 2023-06-20 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION | V*062023LBLVIO18837 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2023-06-20 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION | V*062023LBLVIO18838 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2020-01-17 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT | V*011720LBLVIO02216 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2020-01-17 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT | V*011720LBLVIO02217 |
Source: DOB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
ECB violations (DOB) 0 active of 8
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: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2017-04-26 | CLASS - 2 | FAILURE TO MAINTAIN BLDG IN CODE COMPLIANT MANNER.NOTED:@MEZZANINE LEVEL,BOILER ROOM,THERE IS NO FRESH AIR INLET OPENING.REM:COMPLY W.CODE/PROVIDE OPENING FOR FRESH AIR. | $500 / $500 / $0 | 35253065Y |
| Resolved Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED | 2021-05-04 | CLASS - 2 | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERTIFICATE OF OCCUPANCY AS PER 28-118.3.1;28-118.3.2.NOTED:BUIDLING ALTERED UNDER ALT 1 APPLICATION #321317963 IS OCCUPIED AS A DOE UNIVERSAL PRE-K SCHOOL WITH | $3,125 / $6,746 / $-3,373 | 35561117L |
| Resolved Hearing: POP/IN-VIO · Certification: CERTIFICATE ACCEPTED | 2021-05-04 | CLASS - 2 | ALTERED/CHANGED BLDG OCCUPIED W/O A VALID CERT OF OCCUPANCY AS PER 28-118.3.1;28-118.3.2. NOTED: OBSERVED BLDG ALTERED UNDER ALT-1 APP#321317963 & OCCUOIED AS A DOE UNIVERSAL PRE-K SCHOOL W/A TEMPORARY CERT OF | $1,250 / $0 / $0 | 35578214Y |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2017-04-26 | CLASS - 2 | ALTERED/CHANGED BLDG OCCUPIED W.O VALID CERTIFICATE OF OCCUPANCY AS PER 28-118.3.1-28-118.3.2 NOTED:BLDG OCCUPIED W.KIDS UNDER TEMPORARY C OF O #321317963TOO1 EXPIRED ON 11/02/2016.REM:COMPLY W.CODE/OBTAIN VALI | $500 / $500 / $0 | 35253064M |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2007-03-30 | Hazardous | LICENSED RIGGER FAILED TO ENSURE SCAFFOLD WORKER MET MINIMUM REQUIREMENTS.REMEDY:REFER TO SWO #17107 | $500 / $500 / $0 | 34560248K |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2007-03-30 | Hazardous | SUPERVISION OR USE OF RIGGING EQUIPMENT W/O A SPECIAL RIGGERS LICENSE.REMEDY:REFER TO SWO #17107 | $500 / $500 / $0 | 34560246R |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2007-03-30 | Hazardous | OPERATION OF HOISTING EQUIPMENT IN AN UNSAFE MANNER.REMEDY:REFER TO SWO #17107. | $4,000 / $4,029 / $0 | 34560249M |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2007-03-30 | Hazardous | LICENSED RIGGER FAILED TO SUPERVISE RIGGER WORK OR DESIGNATED UNQUALIFIED FOREMAN.REMEDY:REFER TO SWO #17107 | $500 / $500 / $0 | 34560247Z |
Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
OATH tickets (all agencies) 1 unpaid of 31
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 DOCKETED · DEFAULTED | 2025-10-27 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | WSEM REALTY LLC | $1,000 / $0 / $1,000 | 012173112N |
| No balance due Default PAID IN FULL · DEFAULTED | 2024-08-22 | Dep - Bureau Of Env. Complianc | IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF | AMAZON LOGISTICS INC | $1,000 / $1,314 / $0 | 000878075H |
| No balance due WRITTEN OFF · POP IN-VIOL | 2021-05-04 | Dept. Of Buildings | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | DEPT OF EDUCATION | $1,250 / $0 / $0 | 035578214Y |
| No balance due Default PAID IN FULL · DEFAULTED | 2021-05-04 | Dept. Of Buildings | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | WSEM REALTY LLC | $3,125 / $6,746 / $-3,373 | 035561117L |
| No balance due PAID IN FULL | 2019-08-01 | Dep - Bwso | FAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTER | WSEM REALTY LLC | $500 / $500 / $0 | 0600148102 |
| No balance due PAID IN FULL · IN VIOLATION | 2018-07-30 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | WSEM REALTY LLC | $750 / $750 / $0 | 012078851L |
| No balance due PAID IN FULL · IN VIOLATION | 2017-10-25 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | WSEM REALTY LLC | $1,875 / $1,875 / $0 | 012069729N |
| No balance due PAID IN FULL · IN VIOLATION | 2017-05-16 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | WSEM REALTY LLC | $375 / $624 / $0 | 012064827Y |
| No balance due PAID IN FULL · IN VIOLATION | 2017-04-26 | Dept. Of Buildings | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | WSEM REALTY LLC | $500 / $500 / $0 | 035253064M |
| No balance due PAID IN FULL · IN VIOLATION | 2017-04-26 | Dept. Of Buildings | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | WSEM REALTY LLC | $500 / $500 / $0 | 035253065Y |
| No balance due WRITTEN OFF · POP IN-VIOL | 2017-04-19 | Dep - Bureau Of Env. Complianc | NOISE FROM CIRCULATION DEVICE IN EXCESS OF 42 DB A | NYC DEPT OF EDUCATION | $0 / $0 / $0 | 000281703H |
| No balance due PAID IN FULL · IN VIOLATION | 2016-11-09 | Fire Department Of Nyc | CERTIFICATES OF APPROVAL,CERTIFICATES OF LICENSE COMPANY CERTIFICATE | WSEM REALTY LLC | $300 / $300 / $0 | 011503264P |
Showing 12 of 31 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-08; last loaded 2026-11-08
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 2026-11-08; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-08
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 2026-11-08; last loaded 2026-11-08
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 2026-11-08; last loaded 2026-11-08
311 requests (last 12 months) 30
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 |
|---|---|---|---|---|
| 2026-10-21 | DSNY | Dirty Condition – Trash | Closed | 2026-10-22 |
| 2026-10-20 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-20 |
| 2026-10-20 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-20 |
| 2026-10-20 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-20 |
| 2026-10-15 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-15 |
| 2026-10-15 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-15 |
| 2026-10-14 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-14 |
| 2026-10-09 | NYPD | Abandoned Vehicle – With License Plate | Closed | 2026-10-09 |
| 2026-10-09 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-09 |
| 2026-10-08 | NYPD | Illegal Parking – Unauthorized Bus Layover | Closed | 2026-10-08 |
Showing 10 of 30 records. The API and the source dataset have the full list.
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07; a later sync attempt failed on 2026-11-08; showing the last successful load
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
Closest on 3 Ave
- 303 3rd Avenue (57 ft) (two open items)
- 315 3rd Avenue (59 ft) (two open items)
- 301 3rd Avenue (77 ft) (one open item)
- 319 3rd Avenue (94 ft) (two open items)
- 299 3rd Avenue (96 ft) (four open items)
- 297 3rd Avenue (117 ft) (38 open items)
Same tax block (454), closest first
- 494 Carroll Street (151 ft)
- 496 Carroll Street (164 ft) (nine open items)
- 498 Carroll Street (173 ft)
- 500 Carroll Street (182 ft)
- 502 Carroll Street (195 ft)
Open-item counts as of November 8, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs