# 820 Classon Avenue, Brooklyn, NY

BBL 3011771101 · Block 1177 · Lot 1101  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771101  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-09

## Summary

820 Classon Avenue (Brooklyn, NY; tax lot BBL 3011771101) is a 1-unit condominium (building class R1: condominium (subtype R1)). As of November 9, 2026, NYC Open Data shows no open DOB jobs, active DOB or DOB NOW safety violations, active ECB violations, open HPD violations or unpaid OATH tickets for this lot. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “820 Classon Avenue, Brooklyn, NY (BBL 3011771101)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771101. Source: NYC Open Data.

## Other properties

This lot has no map coordinates. These are other lots on the same street (within 40 house numbers) and the same tax block (within 15 lot numbers), not a distance ranking.

- 820 Classon Avenue: https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771108
- 820 Classon Avenue: https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771107
- 820 Classon Avenue: https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771104
- 820 Classon Avenue: https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771103
- 820 Classon Avenue: https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011771102
- 859 Classon Avenue: https://nycpropertyfacts.com/ny/brooklyn/859-classon-avenue-3011850001

## Open items

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

## Lot & building

- Owner of record: —
- Building class: R1 – Condominium (subtype R1)
- Year built: —
- Floors: —
- Units: 1 residential / 1 total
- Lot area: — sq ft · Building area: 661 sq ft
- Zoning: —
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-09

## 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.

No records found.

## 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).

No records found.

## 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.

No records found.

## 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 2026-11-09

## 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.

No records found.

## 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.

No records found.

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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/3011771101