# 439 Classon Avenue, Prospect Heights, Brooklyn, NY 11238

BBL 3019730008 · Block 1973 · Lot 8 · BIN 3056525  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/439-classon-avenue-3019730008  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-10

## Summary

439 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3019730008) is a two-family home (building class B3: two-family home converted from one-family), built around 1899, on a 1,260 sq ft lot zoned R6B. City tax records list the owner as LEE, YUNG-MI; per ACRIS, a deed to this owner dated February 27, 2020 lists a price of $1,590,000. The Department of Finance's final market value for tax year 2027 is $2,758,000. As of November 10, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, five open HPD violations and two OATH tickets with an unpaid balance. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “439 Classon Avenue, Brooklyn, NY 11238 (BBL 3019730008)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/439-classon-avenue-3019730008. Source: NYC Open Data.

## Neighborhood

Prospect Heights: https://nycpropertyfacts.com/ny/brooklyn/11238

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11238/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11238/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11238/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11238/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11238/unpaid-oath-tickets

## ZIP

Brooklyn 11238: https://nycpropertyfacts.com/ny/brooklyn/11238

## Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

- 437 Classon Avenue (15 ft): https://nycpropertyfacts.com/ny/brooklyn/437-classon-avenue-3019730009
- 441 Classon Avenue (16 ft): https://nycpropertyfacts.com/ny/brooklyn/441-classon-avenue-3019730007
- 435a Classon Avenue (31 ft): https://nycpropertyfacts.com/ny/brooklyn/435a-classon-avenue-3019730010
- 441a Classon Avenue (32 ft): https://nycpropertyfacts.com/ny/brooklyn/441a-classon-avenue-3019730006
- 435 Classon Avenue (47 ft): https://nycpropertyfacts.com/ny/brooklyn/435-classon-avenue-3019730011
- 443 Classon Avenue (49 ft): https://nycpropertyfacts.com/ny/brooklyn/443-classon-avenue-3019730005
- 58 Quincy Street (100 ft): https://nycpropertyfacts.com/ny/brooklyn/58-quincy-street-3019730015
- 66 Quincy Street (139 ft): https://nycpropertyfacts.com/ny/brooklyn/66-quincy-street-3019730018

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 2 |
| Active DOB violations (BIS) | 0 |
| Active DOB safety violations (DOB NOW) | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 5 |
| OATH tickets with unpaid balance | 2 |

## Lot & building

- Owner of record: LEE, YUNG-MI
- Building class: B3 – Two-family home converted from one-family
- Year built: 1899
- Floors: 3
- Units: 2 residential / 2 total
- Lot area: 1,260 sq ft · Building area: 2,470 sq ft
- Zoning: R6B
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-10

## Tax assessment

- Tax year 2027 (final roll): market value $2,758,000, assessed value $165,480, 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 |
|---|---|---|---|
| 2020-02-27 | recorded (DEED) | DEED dated 2020-02-27 from FOSTER-OSBOURNE, DINA to LEE, YUNG-MI, stated price $1,590,000. | bnx9-e6tj |
| 2012-05-01 | recorded (DEED) | DEED dated 2012-05-01 from DINA FOSTER-OSBOURNE, EXECUTOR; ESTATE OF CURLEY EDNA FOSTER to FOSTER-OSBOURNE, DINA, no price stated ($0). | bnx9-e6tj |
| 1978-07-05 | recorded (DEED) | DEED dated 1978-07-05 from HOOEY UNA M; WANGA URBANO INDIVID & EXEC OF; HOOEY LUTHER MB; HOOEY UNA MAE EXECUTRIX OF; HOOEY UNA to FOSTER CURLEY E, 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 |
|---|---|---|---|
| 2021-03-22 | open (Permit Entire) | DOB NOW job filing B00481928-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2020-06-21 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 340737867 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. BASEMENT FLOOR: RELOCATION OF THE BATHROOM AND RENOVATION OF THE KITCHEN RELOCATION OF THE KITCHEN FROM 2ND FLOOR TO 1ST FLOOR INSTALLATION OF NEW POWDER ROOM ON 1ST FLOOR CONSTRUCTION OF A DECK OFF … | ic3t-wcy2 |
| 2022-05-17 | n/a (Signed-off) | DOB NOW work permit for job B00481928-I1: Plumbing — Plumbing filing for Job # 340 737 867. Issued 2022-05-17, expires 2022-09-08. | rbx6-tga4 |
| 2022-04-22 | n/a (Signed-off) | DOB NOW work permit for job B00723320-I1: Supported Scaffold — INSTALLATION OF 300PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS, ALL EQUIPMENT SHALL COMPLY WITH CHAPTER # 33 OF THE NYC CODE 2014, NO CHANGES IN USE EG…. Issued 2022-04-22, expires 2023-04-22. | rbx6-tga4 |
| 2022-04-22 | n/a (Signed-off) | DOB NOW work permit for job B00723320-I1: Sidewalk Shed — INSTALLATION OF 300PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS, ALL EQUIPMENT SHALL COMPLY WITH CHAPTER # 33 OF THE NYC CODE 2014, NO CHANGES IN USE EG…. Issued 2022-04-22, expires 2023-04-22. | rbx6-tga4 |
| 2022-04-22 | n/a (Signed-off) | DOB NOW work permit for job B00723320-I1: Supported Scaffold — INSTALLATION OF 300PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS, ALL EQUIPMENT SHALL COMPLY WITH CHAPTER # 33 OF THE NYC CODE 2014, NO CHANGES IN USE EG…. Issued 2022-04-22, expires 2023-04-22. | rbx6-tga4 |
| 2022-04-22 | n/a (Signed-off) | DOB NOW work permit for job B00723320-I1: Sidewalk Shed — INSTALLATION OF 300PSF SIDEWALK SHED AND PIPE SCAFFOLDING AS PER PLANS, ALL EQUIPMENT SHALL COMPLY WITH CHAPTER # 33 OF THE NYC CODE 2014, NO CHANGES IN USE EG…. Issued 2022-04-22, expires 2023-04-22. | rbx6-tga4 |
| 2021-11-05 | n/a (ISSUED (renewal)) | BIS work permit for job 340737867: Equipment work / Other / general construction. Issued 2021-11-05, expires 2022-11-04. | ipu4-2q9a |
| 2021-03-30 | n/a (Signed-off) | DOB NOW work permit for job B00481928-I1: Plumbing — Plumbing filing for Job # 340 737 867. Issued 2021-03-30, expires 2022-03-30. | rbx6-tga4 |
| 2021-02-04 | n/a (ISSUED (initial)) | BIS work permit for job 340737867: Equipment work / Other / general construction. Issued 2021-02-04, expires 2021-11-05. | ipu4-2q9a |

## Open violations (DOB, DOB NOW safety, ECB, HPD)

status "open" = DOB violation category is ACTIVE, DOB NOW safety violation status is Active, ECB violation status is ACTIVE, or HPD violation status is Open. Dismissed, cured, waived and disputed-successfully safety violations are not open.

| Date | Status | Description | Source |
|---|---|---|---|
| 2008-07-01 | open (Nov Sent Out) | HPD class B violation (Class B): SECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR CEILING, 3RD STORY PUBLIC HALL.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2008-07-01 | open (Nov Sent Out) | HPD class A violation (Class A): SECTION 27-2005 ADMIN. CODE: PROPERLY SECURE THE LOOSE CEILING LIGHT FIXTURE, 2ND STORY PUBLIC HALL.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2008-07-01 | open (Nov Sent Out) | HPD class B violation (Class B): SECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR CEILING 2ND STORY PUBLIC HALL WATER CLOSET COMPARTMENT.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2008-07-01 | open (Nov Sent Out) | HPD class B violation (Class B): SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR, 2ND STORY PUBLIC HALL WATER CLOSET COMPARTMENT.. Open — not recorded as corrected. | wvxf-dwi5 |
| 2008-07-01 | open (Nov Sent Out) | HPD class B violation (Class B): SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE OVEN CONTRAL OF GAS RANGE KITCHEN, BASEMENT REAR.. Open — not recorded as corrected. | wvxf-dwi5 |

## DOB safety violations (DOB NOW)

Active means the published violation status is Active. Dismissed, cured, waived, disputed successfully and pending dismissal are not open items.

No records found.

Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-09; last loaded 2026-11-10

## 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 |
|---|---|---|---|
| 2022-08-20 | open (DOCKETED · DEFAULTED) | OATH ticket from Nypd Transport Intelligence Di: OBSTRUCTION OF STREET W CONSTRUCTION MATERIALS EQUIPMENT W O PERMIT. Unpaid balance $2,250. Respondent defaulted (did not appear). | jz4z-kudi |
| 2022-04-12 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST. Unpaid balance $600. 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.

No records found.

## 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 LEE, YUNG-MI. | 64uk-42ks |
| 2020-02-27 | recorded | Grantee (buyer) on the most recent deed (DEED, 2020-02-27). | 636b-3b5g |

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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/3019730008