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Building report

637 St Marks Avenue

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

Built
1900
Units
30
Owner of record
PROSPECT HEIGHTS 637-641 REALTY LLC
Open HPD violations
157
HPD records on file
448

Violations at 637 St Marks Avenue

448 on record
2026-07-23Class BOpen

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALENCE AT LOWER WINDOW SASH AT THE 2ND WINDOW FROM EAST AT SOUTH IN THE 1st ROOM FROM NORTH LOCATED AT APT 2H, 2nd STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION AT EAST

HPD · 501 · Record 19093308
2026-07-23Class CClosed

§ 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT ALL ELECTRICAL FIXTURES AT PUBLIC HALL

HPD · 688 · Record 19092906
2026-07-23Class COpen

§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR AT BASEMENT AT BOILER ROOM

HPD · 672 · Record 19092905
2026-07-23Class COpen

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4D, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION AT WEST

HPD · 670 · Record 19092904
2026-06-14Class COpen

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

HPD · 569 · Record 19005869

Who owns 637 St Marks Avenue?

Owner of record: PROSPECT HEIGHTS 637-641 REALTY 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 637 St Marks Avenue

Recorded residential units: 30. Recorded year built: 1900. These building facts do not show current vacancies or when a particular apartment was renovated.

Rent-stabilization status is not established by this record. A missing tax-lot match in the dated RGB list does not mean the building has no stabilized apartments. Check the official rent-stabilized building lists.

Look up more about this building

See the full record for 637 St Marks Avenue

The full report includes the grade, all 448 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 448 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections