# 642 Classon Avenue, Brooklyn, NY 11238

BBL 3011410048 · Block 1141 · Lot 48 · BIN 3027994  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/642-classon-avenue-3011410048  
Last updated: 2026-11-05 · Open-item counts as of 2026-11-05

## Summary

642 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3011410048) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1920, on a 1,958 sq ft lot zoned R6A. City tax records list the owner as 642 CLASSON AVE LLC; per ACRIS, a deed to this owner dated April 7, 2025 lists a price of $1,550,000 in a deed covering 2 lots. The Department of Finance's final market value for tax year 2027 is $1,186,000. As of November 5, 2026, NYC Open Data shows 10 DOB jobs with a permit issued but no sign-off. There were 10 311 requests in the past 12 months and eight HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “642 Classon Avenue, Brooklyn, NY 11238 (BBL 3011410048)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/642-classon-avenue-3011410048. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 10 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: 642 CLASSON AVE LLC
- Building class: C0 – Three-family walk-up
- Year built: 1920
- Floors: 3
- Units: 3 residential / 3 total
- Lot area: 1,958 sq ft · Building area: 1,824 sq ft
- Zoning: R6A, C2-4
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-05

## Tax assessment

- Tax year 2027 (final roll): market value $1,186,000, assessed value $71,160, tax class 1
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-04-07 | recorded (DEED) | DEED dated 2025-04-07 from PLACE, CAMDEN SCHWARTZ to 642 CLASSON AVE LLC, stated price $1,550,000 for a deed covering 2 lots. | bnx9-e6tj |
| 2021-11-09 | recorded (DEED) | DEED dated 2021-11-09 from ANDERSON, JOHN G JR to PLACE, CAMDEN SCHWARTZ, stated price $1,550,000. | bnx9-e6tj |
| 1998-01-06 | recorded (DEED) | DEED dated 1998-01-06 from HART, DOROTHY to BROWN, DENISE, no price stated ($0). | bnx9-e6tj |
| 1998-01-06 | recorded (DEED) | DEED dated 1998-01-06 from BROWN, DENISE to ANDERSON, JOHN G JR, no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-07-13 | open (Permit Entire) | DOB NOW job filing B01114441-S7 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-08-13 | open (Permit Entire) | DOB NOW job filing B01270139-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-05-02 | open (Permit Entire) | DOB NOW job filing B01114441-S2 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-05-02 | open (Permit Entire) | DOB NOW job filing B01114441-S1 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-05-02 | open (Permit Entire) | DOB NOW job filing B01114441-S3 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-03-03 | open (Permit Entire) | DOB NOW job filing B01114441-S6 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-02-05 | open (Permit Entire) | DOB NOW job filing B01114441-S4 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2025-02-05 | open (Permit Entire) | DOB NOW job filing B01114441-S5 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2024-09-23 | open (Permit Entire) | DOB NOW job filing B01114441-I1 (ALT-CO - New Building with Existing Elements to Remain): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2024-11-11 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 340914274 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. BPP FOR 21.25' TOTAL FRONTAGE FILED IN CONJUNCTION WITH NB #B01114441. NO CHANGE IN USE, EGRESS, OR OCCUPANCY | ic3t-wcy2 |
| 2026-10-20 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S1: Foundation — HEREWITH FILING FO/EA PLANS OF PROP. 6 STORY NEW BLDG. THE PROP FOUNDATION INCLUDES CONTINUOUS CONCRETE FOOTING FOR WALLS AND MAT SLAB FOR ELEVATOR. THIS JOB I…. Issued 2026-10-20, expires 2027-01-08. | rbx6-tga4 |
| 2026-10-20 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S1: Earth Work — HEREWITH FILING FO/EA PLANS OF PROP. 6 STORY NEW BLDG. THE PROP FOUNDATION INCLUDES CONTINUOUS CONCRETE FOOTING FOR WALLS AND MAT SLAB FOR ELEVATOR. THIS JOB I…. Issued 2026-10-20, expires 2027-01-08. | rbx6-tga4 |
| 2026-10-20 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S3: Structural — STRUCTURAL WORK FOR 6-STORY BUILDING. Issued 2026-10-20, expires 2027-01-08. | rbx6-tga4 |
| 2026-10-20 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S6: Mechanical Systems — Filing of Mechanical system for proposed 6-story residential building. Refer to DOB NOW # B01114441-I1 for all zoning architectural aspects of the project.. Issued 2026-10-20, expires 2027-01-08. | rbx6-tga4 |
| 2026-10-20 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S2: Support of Excavation — HEREWITH FILING SOE PLANS OF PROP. 6 STORY NEW BLDG. THE SOE INVOLVES INSTALLATION OF SOLDIER BEAMS & TIMBER LAGGING AND 1:1 EXCAVATION. THIS JOB IS FILED IN C…. Issued 2026-10-20, expires 2027-01-08. | rbx6-tga4 |
| 2026-10-19 | n/a (Signed-off) | DOB NOW work permit for job B01295463-I1: Sidewalk Shed — Filing to install temporary sidewalk shed as per plans filed.. Issued 2026-10-19, expires 2027-01-17. | rbx6-tga4 |
| 2026-10-05 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S5: Sprinklers — Filing of hydraulically calculated sprinkler system for proposed 6-story residential building. Refer to DOB NOW # B01114441-I1 for all zoning architectural asp…. Issued 2026-10-05, expires 2026-12-06. | rbx6-tga4 |
| 2026-08-27 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S4: Plumbing — Filing of plumbing system for proposed 6-story residential building. Refer to DOB NOW # B01114441-I1 for all zoning architectural aspects of the project.. Issued 2026-08-27, expires 2027-01-14. | rbx6-tga4 |
| 2026-07-15 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S7: Sidewalk Shed — PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILD…. Issued 2026-07-15, expires 2026-10-13. | rbx6-tga4 |
| 2026-07-10 | n/a (Permit Issued) | DOB NOW work permit for job B01114441-S1: Foundation — HEREWITH FILING FO/EA PLANS OF PROP. 6 STORY NEW BLDG. THE PROP FOUNDATION INCLUDES CONTINUOUS CONCRETE FOOTING FOR WALLS AND MAT SLAB FOR ELEVATOR. THIS JOB I…. Issued 2026-07-10, expires 2026-11-25. | rbx6-tga4 |

Showing 20 of 33. Full list: https://nycpropertyfacts.com/api/v1/property/3011410048/permits

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

No records found.

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-06-12 | pending (RESCHEDULED · ADJOURNED) | OATH ticket from Dept. Of Buildings: MISCELLANEOUS VIOLATIONS. Hearing pending. | jz4z-kudi |
| 2026-06-12 | pending (RESCHEDULED · ADJOURNED) | OATH ticket from Dept. Of Buildings: FAILURE TO COMPLY WITH MANUFACTURER SPECIFICATIONS. Hearing pending. | jz4z-kudi |
| 2026-03-06 | pending (RESCHEDULED · ADJOURNED) | OATH ticket from Dept. Of Buildings: FAILURE TO MAINTAIN DISPLAY ON SITE DOCUMENTS REQUIRED BY BC CHAPTER33. Hearing pending. | jz4z-kudi |
| 2025-11-05 | pending (RESCHEDULED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Hearing pending. Respondent defaulted (did not appear). | jz4z-kudi |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2021-08-21 | closed (CLOSE) | HPD complaint (apt 2): Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2021-08-20 | closed (CLOSE) | HPD complaint (apt 2): Electric – No Lighting. The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new… | ygpa-z7cr |
| 2021-08-18 | closed (CLOSE) | HPD complaint (apt 2FLOOR): Electric – No Lighting. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2021-05-06 | closed (CLOSE) | HPD complaint (apt 1): Unsanitary Condition – Pests. The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new… | ygpa-z7cr |
| 2021-04-13 | closed (CLOSE) | HPD complaint (apt 2): Door/Window – Door; Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2021-01-13 | closed (CLOSE) | HPD complaint (apt 2FL): Electric – Power Outage. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.The Department of Housing Preservation and Development contacted an occupant … | ygpa-z7cr |
| 2021-01-12 | closed (CLOSE) | HPD complaint (apt 2FL): Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2021-01-09 | closed (CLOSE) | HPD complaint (apt 2): Electric – Power Outage. The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd | ygpa-z7cr |
| 2026-08-06 | closed (Closed) | 311 request to DSNY: Dumpster Complaint – Small uncovered dumpster. | erm2-nwe9 |
| 2026-07-27 | closed (Closed) | 311 request to DOT: Street Condition – Blocked - Construction. | erm2-nwe9 |
| 2026-07-14 | closed (Closed) | 311 request to DOB: General Construction/Plumbing – Cons - Contrary/Beyond Approved Plans/Permits. | erm2-nwe9 |
| 2026-07-14 | closed (Closed) | 311 request to DOB: General Construction/Plumbing – Cons - Contrary/Beyond Approved Plans/Permits. | erm2-nwe9 |
| 2026-07-14 | closed (Closed) | 311 request to DOB: General Construction/Plumbing – Structural Stability Impacted - New Building Under Construction. | erm2-nwe9 |
| 2026-04-08 | closed (Closed) | 311 request to DSNY: Obstruction – Trash or Recycling. | erm2-nwe9 |
| 2026-04-01 | closed (Closed) | 311 request to DOB: General Construction/Plumbing – Debris - Excessive. | erm2-nwe9 |

Showing 15 of 18. Full list: https://nycpropertyfacts.com/api/v1/property/3011410048/complaints

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as 642 CLASSON AVE LLC. | 64uk-42ks |
| 2025-04-07 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-04-07). | 636b-3b5g |
| 2025-11-13 | expired_registration | HPD registration contact: Officer Yona Cohen, business city Queens Village. | feu5-w2e2 |
| 2025-11-13 | expired_registration | HPD registration contact: CorporateOwner (642 Classon Avenue LLC), business city Queens Village. | feu5-w2e2 |
| 2025-11-13 | expired_registration | HPD registration contact: Agent Yona Cohen, business city Queens Village. | feu5-w2e2 |
| 2025-11-13 | expired_registration | HPD registration contact: HeadOfficer Yona Cohen, business city Queens Village. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3011410048