# 579 Classon Avenue, Brooklyn, NY 11238

BBL 3020160002 · Block 2016 · Lot 2 · BIN 3057696  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/579-classon-avenue-3020160002  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

579 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3020160002) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1910, on a 2,068 sq ft lot zoned R6B. City tax records list the owner as GU, QINYI; per ACRIS, a deed to this owner dated August 26, 2025 lists a price of $2,200,000. The Department of Finance's final market value for tax year 2027 is $2,194,000. As of October 31, 2026, NYC Open Data shows three open HPD violations. 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.)

How to cite: NYC Property Facts, “579 Classon Avenue, Brooklyn, NY 11238 (BBL 3020160002)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/579-classon-avenue-3020160002. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 3 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: GU, QINYI
- Building class: C3 – Walk-up apartments, four families
- Year built: 1910
- Floors: 3
- Units: 4 residential / 4 total
- Lot area: 2,068 sq ft · Building area: 2,940 sq ft
- Zoning: R6B
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-01

## Tax assessment

- Tax year 2027 (final roll): market value $2,194,000, assessed value $987,300, tax class 2A
- 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 |
|---|---|---|---|
| 2025-08-26 | recorded (DEED) | DEED dated 2025-08-26 from 579 CLASS ON AVENUE, LLC to GU, QINYI; HOU, TIANHUI, stated price $2,200,000. | bnx9-e6tj |
| 2015-01-08 | recorded (DEED) | DEED dated 2015-01-08 from EASTERN CAPITAL RESIDENTIAL LLC to 579 CLASS ON AVENUE, LLC, stated price $1,995,000. | bnx9-e6tj |
| 2010-08-31 | recorded (DEED) | DEED dated 2010-08-31 from 579 CLASSON REALTY INC to EASTERN CAPITAL RESIDENTIAL LLC, stated price $440,000. | bnx9-e6tj |
| 2010-08-31 | recorded (DEED) | DEED dated 2010-08-31 from KLASS AS REFEREE, RICHARD to 579 CLASSON REALTY 2 INC, N/K/A 579 CLASSON REALTY, stated price $395,000. | bnx9-e6tj |
| 2006-10-31 | recorded (DEED) | DEED dated 2006-10-31 from WALDRON, LANCELOT to KESSLER, NECHAMA, stated price $1,400,000. | bnx9-e6tj |
| 2005-02-12 | recorded (DEED) | DEED dated 2005-02-12 from WALDRON, VIOLA; WALDRON, LANCELOT to WALDRON, LANCELOT, no price stated ($0). | bnx9-e6tj |
| 2002-06-07 | recorded (DEED) | DEED dated 2002-06-07 from WALDRON, VIOLA to WALDRON, VIOLA; WALDRON, LANCELOT, no price stated ($0). | bnx9-e6tj |
| 2001-03-13 | recorded (DEED) | DEED dated 2001-03-13 from WALDRON, LANCELOT to WALDRON, VIOLA, no price stated ($0). | bnx9-e6tj |
| 1999-05-25 | recorded (DEED) | DEED dated 1999-05-25 from WALDRON, LANCELOT; WALDRON, VIOLA to WALDRON, LANCELOT, no price stated ($0). | bnx9-e6tj |
| 1978-07-25 | recorded (DEED) | DEED dated 1978-07-25 from WALDRON CONRAD to WALDRON LANCELOT; WALDRON VIOLA, no price stated ($0). | bnx9-e6tj |
| 1974-06-21 | recorded (DEED) | DEED dated 1974-06-21 from CHALA FUNDING CORP to WALDRON CONRAD, no price stated ($0). | bnx9-e6tj |
| 1973-10-17 | recorded (DEED) | DEED dated 1973-10-17 from COLEMAN KINGSTON M to CHALA FUNDING CORP, 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 |
|---|---|---|---|
| 2011-04-14 | n/a (ISSUED (initial)) | BIS work permit for job 320259634: Plumbing / Plumbing. Issued 2011-04-14, expires 2012-04-13. | ipu4-2q9a |
| 2011-03-09 | n/a (ISSUED (initial)) | BIS work permit for job 320259634: Alteration. Issued 2011-03-09, expires 2011-11-04. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

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

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-07-15 | open (Invalid Certification) | HPD class C violation (Class C) in apt 3: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2026-07-15 | open (Invalid Certification) | HPD class C violation (Class C) in apt 2: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2026-07-15 | open (Invalid Certification) | HPD class C violation (Class C) in apt 1: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |

## 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 |
|---|---|---|---|
| 2024-04-10 | pending (NEW ISSUANCE) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Hearing pending. | 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 |
|---|---|---|---|
| 2026-05-23 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Crosswalk. | erm2-nwe9 |

## 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 GU, QINYI. | 64uk-42ks |
| 2025-08-26 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-08-26). | 636b-3b5g |
| 2025-08-26 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-08-26). | 636b-3b5g |
| 2026-08-11 | current_registration | HPD registration contact: JointOwner Qinyi Gu, business city Brooklyn. | feu5-w2e2 |
| 2026-08-11 | current_registration | HPD registration contact: JointOwner Tianhui Hou, business city Brooklyn. | feu5-w2e2 |
| 2026-08-11 | current_registration | HPD registration contact: SiteManager Tianhui Hou. | feu5-w2e2 |
| 2026-08-11 | current_registration | HPD registration contact: Agent Tianhui Hou, business city Brooklyn. | 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/3020160002