27 Ontario Avenue
What is here
- Built
- 1955
- Storeys
- 1
- Homes
- 2
- Recorded as
- Two-family home
- Zoning
- R2
- Lot
- 6,000 sq ft
No Department of Buildings filing in the current snapshot names this building.
Street record · Staten Island
Ontario Avenue
No Department of Buildings filing in the current snapshot names Ontario Avenue. What City Planning records about the street itself is below, and a filing here will appear on this page when one is published.
What is on this street
The built record of Ontario Avenue
City Planning maps 57 tax lots on Ontario Avenue in Staten Island, 98% of them one and two family homes. The oldest went up in 1901 and the newest in 2003. This describes the street as it stands, not the filings below.
Where 1980s sits in the city’s own timeline
- Tax lots
- 57
- Buildings
- 66
- Homes
- 69
- Typically built
- 1980s
- Typical height
- 2–3 floors
- Built area
- 98,996 sq ft
How the lots are used
- One and two family homes56 of 57
- Public facilities and institutions1 of 57
Zoning: R3-1, R2 are the districts covering most of the street. A zoning district sets what may be built, not what is there now.
NYC Department of City Planning · Primary Land Use Tax Lot Output (PLUTO) · 64uk-42ks · read 2026-09-11
Why this page exists
A street with no filing is still a street.
Ontario Avenue is mapped by the Department of City Planning and carries the buildings described above, but no Department of Buildings filing in the current snapshot names it. Nothing is missing from this page; nothing has been filed. It is not offered to search engines until a filing appears here.
Explore this corridor on the mapSource snapshot accessed Oct 2, 2026. Street grouping is based on the normalized street-name field.