§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING
Building report
503 Union Avenue
Public records for this building, including violations, complaints, housing court cases and ownership details.
- Built
- 1930
- Units
- 23
- Owner of record
- 505 UNION AVE LLC
- Open HPD violations
- 1
- HPD records on file
- 4
Violations at 503 Union Avenue
4 on record(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
§ 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY
§ 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY
Who owns 503 Union Avenue?
Owner of record: 505 UNION AVE 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 503 Union Avenue
Recorded residential units: 23. Recorded year built: 1930. 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 503 Union Avenue
The full report includes the grade, all 4 violations with dates and outcomes, housing court filings and ownership details.
- 01Overall grade and scores by category
- 02Details for all 4 HPD violations
- 03Housing court filings and outcomes
- 04Ownership history and LLC connections
