509 Forest Avenue
Staten Island, NY 10310BBL 5-00147-0033Map
Owner of record: Siller Thomas
509 Forest Avenue is an office building built in 1920 in Staten Island, 10310. It has 1 residential unit across 2.5 floors. The owner of record is Siller Thomas. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 4
- ECB violations
- 0
- HPD complaints
- 0
What to know
No open immediately-hazardous violations among recent records.
HPD has not cited this building.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 0
No HPD violations on record
DOB building violations · 4
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2023 external low pressure inspection
Sep 23, 2024
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2021 external low pressure inspection
Jun 30, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - active
ECB violations · 0
No ECB violations on record
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Office building (O8)
- Year built
- 1920
- Floors
- 2.5
- Residential units
- 1
- Building area
- 1,700 ft²
- Lot area
- 4,447 ft²
- Zoning
- R3X
- Community board
- 501
- Council district
- 49
- Block / lot
- 147 / 33
- Assessed value
- $106,200
- Landmark / historic district
- No
Questions about 509 Forest Avenue
Who owns 509 Forest Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Siller Thomas.
Does 509 Forest Avenue have violations?
NYC HPD has no housing violations on record for this property.
Is 509 Forest Avenue rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 509 Forest Avenue built?
City records list 1920 as the year it was built.
How many apartments are in 509 Forest Avenue?
It has 1 residential units and 2 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.