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Building report

1821 Mahan Avenue

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

Built
1963
Units
20
Owner of record
1821 MAHAN AVENUE, LLC
Open HPD violations
56
HPD records on file
76

Violations at 1821 Mahan Avenue

76 on record
2026-09-16Class 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 LATCH SET AND ASSEMBLY AT FIRE DOOR AT PUBLIC HALL STAIRS, 1st STORY

HPD · 530 · Record 19220180
2026-09-16Class AOpen

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT UPPER SASH AT 2ND WINDOW FROM EAST AT NORTH IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 2C, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 501 · Record 19220179
2026-09-16Class COpen

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT UPPER SASH AT 1ST WINDOW FROM EAST AT NORTH IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 2C, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 501 · Record 19220178
2026-09-16Class AOpen

§ 27-2026 ADM CODE RESET, SO AS TO SECURE A PROPER AND TIGHT CONNECTION, THE WATER CLOSET BOWL ...... IN THE BATHROOM LOCATED AT APT 2C, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH

HPD · 591 · Record 19220177
2026-06-02Class AOpen

§27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE

HPD · 1520 · Record 18973843

Who owns 1821 Mahan Avenue?

Owner of record: 1821 MAHAN AVENUE, LLC. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.

Apartments at 1821 Mahan Avenue

Recorded residential units: 20. Recorded year built: 1963. 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 1821 Mahan Avenue

The full report includes the grade, all 76 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 76 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections