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Building report

666 Willoughby Avenue

Public records for this building, including violations, complaints, housing court cases and ownership details.

Built
1931
Units
48
Owner of record
IMPACCT HOUSING DEVELOPMENT FUND CORPORA TION
Open HPD violations
44
HPD records on file
446

Violations at 666 Willoughby Avenue

446 on record
2026-08-10Class BOpen

§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THEN 10 SQ FT AT ALL WALLS AND CEILING. IN THE BATHROOM LOCATED AT APT 2C, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH

HPD · 550 · Record 19135521
2026-07-29Class COpen

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH

HPD · 568 · Record 19122101
2026-07-29Class BOpen

§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH

HPD · 702 · Record 19122100
2026-07-29Class BOpen

§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH

HPD · 1503 · Record 19122099
2026-07-29Class COpen

§ 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 AT BUILDING ENTRANCE DOOR AT PUBLIC HALL, 1st STORY

HPD · 530 · Record 19121890

Who owns 666 Willoughby Avenue?

Owner of record: IMPACCT HOUSING DEVELOPMENT FUND CORPORA TION. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.

Apartments at 666 Willoughby Avenue

Recorded residential units: 48. Recorded year built: 1931. These building facts do not show current vacancies or when a particular apartment was renovated.

This tax lot appears in the RGB list based on 2024 building registrations, published as of November 2025. That is a building-level historical signal; it does not identify which apartments are stabilized today. Check the official rent-stabilized building lists.

Look up more about this building

See the full record for 666 Willoughby Avenue

The full report includes the grade, all 446 violations with dates and outcomes, housing court filings and ownership details.

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Included
  1. 01Overall grade and scores by category
  2. 02Details for all 446 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections