424 Classon Avenue, Brooklyn, NY 11238
BBL 3019720028 (Borough 3, Block 1972, Lot 28) · BIN 3056497 · Last updated:
Summary · as of October 31, 2026
424 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3019720028) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1931, on a 1,955 sq ft lot zoned R6B. City tax records list the owner as LAWRENCE, ARTHUR. The Department of Finance's final market value for tax year 2027 is $2,273,000. As of October 31, 2026, NYC Open Data shows two active ECB violations, seven open HPD violations and 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
- LAWRENCE, ARTHUR
- Building class
- S2 · Mixed-use: two-family home with one store or office
- Year built · units
- 1931 · 2 res.
- Lot area · zoning
- 1,955 sq ft · R6B
- Market value (DOF)
- $2,273,000 FY2027
- Last priced deed
- —
- BBL
- 3019720028
- BIN
- 3056497
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 2Active ECB violations
- 7Open HPD violations
- 2OATH tickets with unpaid balance
How to cite: NYC Property Facts, “424 Classon Avenue, Brooklyn, NY 11238 (BBL 3019720028)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/424-classon-avenue-3019720028. 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)
- LAWRENCE, ARTHURThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- S2 – Mixed-use: two-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
- 1931Often an estimate for older buildings.
- Floors
- 3
- Units
- 2 residential / 3 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,955 sq ft (23 ft × 85 ft)
- Building floor area
- 2,415 sq ft (incl. 821 sq ft commercial)
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.24 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 3019720028 (Borough 3, Block 1972, Lot 28) · BIN 3056497BBL 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 2026-11-02; 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)
- $2,273,000The 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
- $136,380The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $24,151Assessed 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 | $2,273,000 | $136,380 | 1 |
| 2026 | Final | $2,286,000 | $137,160 | 1 |
| 2025 | Final | $2,097,000 | $125,820 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02
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 |
|---|---|---|---|---|---|
| 2019-12-31 | DEED | $0 / not stated | Lawrence, Arthur; Lawrence, Granville; Lawrence, Cynthia | Lawrence, Cynthia; Lawrence, Arthur; Gordon-Lawrence, Devon | 2020010800990001 |
| 2002-10-25 | DEED | $0 / not stated | Lawerencee, Arthur; Lawerence, Cynthia | Lawewrence, Granville; Lawerence, Arthur; Lawerence, Cynthia | FT_3500009023350 |
| 2000-10-17 | DEED | $0 / not stated | Lawrence, Cynthia; Lawrence, Arthur | Lawrence, Granville; Lawrence, Aruthur; Lawrence, Cynthia | FT_3740008921974 |
| 1986-11-06 | DEED | $0 / not stated | Williams, Rick G | Lawrence, Artur; Lawrence, Cynthia | FT_3550001211755 |
| 1983-03-10 | DEED | $0 / not stated | Williams, Ronald G | Williams, Rick G | FT_3610000960861 |
| 1982-05-25 | DEED | $0 / not stated | Jackson, Leontin; Jackson, Ulric | Williams, Ronald G | FT_3360000914836 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02
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 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
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 2026-11-02; data as of 2026-11-02; 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 2026-11-02; data as of 2026-11-02
ECB violations (DOB) 2 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 # |
|---|---|---|---|---|---|
| Active Hearing: PENDING | 2026-09-17 | CLASS - 1 | ATOI OBSERVED ALTERATION HAS BEEN MADE TO PROPERTY STORE FRONT AT EXPOSURE 1 NEW DOOR WAY INSTALLED 100% COMPLETED. NO PERMITS ON FILE WITH THE DEPARTMENT FOR WORK TAKEN PLACE., OBTAIN PERMIT | $2,500 / $0 / $2,500 | 39204480X |
| Active Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED | 2009-12-07 | CLASS - 3 | FENCE EXCEEDS PERMITTED HEIGHT NOTE RESIDENTIAL FENCE ERECTED AT FRONT OF PROPERTY LOT EXCEED THAT WHICH IS PERMITTED IN HEIGHT FENCE MEASURES APPROX 8'-6" IN HEIGHT AND NOT 6' AS PER CODE REGARDING PERMITTED H | $200 / $200 / $0 | 34807493X |
| Resolved Hearing: DISMISSED · Certification: N/A - DISMISSED | 2009-11-13 | CLASS - 3 | FENCE EXCEEDS PERMITTED HEIGHT. NOTE : BLACK METAL FENCE AND GATE INSTALLED AT FRONT YARD IS 8 FEET HIGH ABOVE SIDEWALK LEVEL. REMEDY: CONFORM FENCE TO CODE | $0 / $0 / $0 | 34811493H |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02
OATH tickets (all agencies) 2 unpaid of 23
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 | 2026-01-19 | Sanitation Others | SNOW,ICE DIRT ON SIDEWALKS | LAWRENCE ARTHUR | $350 / $0 / $350 | 049583330X |
| Unpaid balance Default DOCKETED · DEFAULTED | 2022-04-13 | Sanitation Others | STORAGE OF RECEPTACLES 1ST OCCURRENCE | LAWRENCE ARTHUR | $300 / $0 / $300 | 047039133P |
| Hearing pending NEW ISSUANCE | 2026-09-17 | Dept. Of Buildings | WORK WITHOUT A PERMIT | LAWRENCE ARTHUR | $2,500 / $0 / $2,500 | 039204480X |
| No balance due PAID IN FULL | 2025-03-19 | Sanitation Recycling | FAILURE TO CLEAN 18 INCHES INTO STREET | LAWRENCE ARTHUR | $50 / $50 / $0 | 048962352K |
| No balance due Default PAID IN FULL · DEFAULTED | 2024-02-29 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | LAWRENCE ARTHUR | $80 / $80 / $0 | 048150383J |
| No balance due PAID IN FULL | 2022-03-28 | Dos - Enforcement Agents | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | LAWERENCE ARTHUR | $25 / $25 / $0 | 047383975Y |
| No balance due HEARING COMPLETED · DISMISSED | 2016-04-12 | FAILURE TO CLEAN 18 INCHES INTO STREET | LAWRENCE | — / — / — | 0189069275 | |
| No balance due HEARING COMPLETED · DISMISSED | 2015-10-23 | LOOSE RUBBISH | LAWRENCE | — / — / — | 0189060026 | |
| No balance due PAID IN FULL | 2010-05-17 | Sanitation Others | FAILURE TO PROPERLY PUT RECYCLABLES OUT FOR COLLECTION | LAWERENCE | $25 / $25 / — | 0173395164 |
| No balance due PAID IN FULL · IN VIOLATION | 2010-04-07 | Sanitation Others | STORAGE OF RECEPTACLES | LAWRENCE | $100 / $100 / — | 0171546971 |
| No balance due PAID IN FULL · IN VIOLATION | 2009-12-07 | Dept. Of Buildings | FENCE EXCEEDS PERMITTED HEIGHT | LAWERENCE, ARTHUR | $200 / $200 / — | 034807493X |
| No balance due HEARING COMPLETED · DISMISSED | 2009-11-13 | Dept. Of Buildings | FENCE EXCEEDS PERMITTED HEIGHT | LAWERENCE | — / — / — | 034811493H |
Showing 12 of 23 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 2026-11-02
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 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02
HPD housing-code violations 7 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 |
|---|---|---|---|---|
| Open Nov Sent Out · 2007-08-13 | B | 2007-08-13 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF WATER LEAK AT CEILING AT PUBLIC HALL, 3rd STORY | |
| Open Nov Sent Out · 2007-08-13 | B | 2007-08-13 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CEILING WITH FIRE RETARDENT METERIAL AT PUBLIC HALL, 3rd STORY | |
| Open Nov Sent Out · 2007-08-13 | B | 2007-08-13 | 2 | SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN BED BUGS IN THE ENTIRE APARTMENT LOCATED AT APT 2, 3rd STORY |
| Open Nov Sent Out · 2006-10-06 | C | 2006-10-06 | SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD TREAD 10TH FROM BOTTOM AT PUBLIC HALL STAIRS, 1st STORY | |
| Open Nov Sent Out · 2006-10-06 | B | 2006-10-06 | 1A | SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 2nd STORY |
| Open Nov Sent Out · 2006-10-06 | C | 2006-10-06 | SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF ENTIRE STAIRWAY SUPPORTED BY 2X4 AT PUBLIC HALL STAIRS, 2nd STORY | |
| Open Nov Sent Out · 2006-10-06 | B | 2006-10-06 | 1A | SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 2nd STORY |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-02
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 2026-11-02; data as of 2026-11-02
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 |
|---|---|---|---|---|
| 2026-09-08 | DOB | General Construction/Plumbing – Building Permit - None | Closed | 2026-09-17 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On Classon Ave
- 421 Classon Avenue (39 open items)
- 420 Classon Avenue (13 open items)
- 429 Classon Avenue (60 open items)
- 429 Classon Avenue (one open item)
- 419a Classon Avenue (14 open items)
- 419 Classon Avenue (19 open items)
- 431 Classon Avenue
- 417 Classon Avenue (14 open items)
- 415 Classon Avenue (four open items)
- 433 Classon Avenue
Same tax block (1972)
- 26 Quincy Street (21 open items)
- 28 Quincy Street (one open item)
- 36 Quincy Street (29 open items)
- 38 Quincy Street (one open item)
- 414 Classon Avenue (11 open items)
- 205 Gates Avenue (eight open items)
- 203 Gates Avenue
- 201 Gates Avenue (14 open items)
- 199 Gates Avenue (nine open items)
- 197 Gates Avenue
All properties on Classon Ave, Brooklyn · All of Brooklyn 11238 (Prospect Heights)
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs