Alteration filingFeb 21
21 Marconi Place
Ocean Hill, Brooklyn
Recorded as completed2 proposed stories
View record Street record · Brooklyn
Marconi Place
3 mapped DOB filings publish this street name in the current snapshot. They span Ocean Hill.
Qualified records3
Active-status records2
Latest status changeFeb 21, 2023
What is on this street
The built record of Marconi Place
City Planning maps 27 tax lots on Marconi Place in Brooklyn, 48% of them walk-up apartments. The oldest went up in 1899 and the newest in 1924. This describes the street as it stands, not the filings below.
Where 1900s sits in the city’s own timeline
- Tax lots
- 27
- Buildings
- 29
- Homes
- 64
- Typically built
- 1900s
- Typical height
- 2–3 floors
- Built area
- 54,258 sq ft
How the lots are used
- Walk-up apartments13 of 27
- One and two family homes11 of 27
- Vacant land1 of 27
Zoning: R5 across every mapped lot. 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
How to read this street page
A shared street name does not mean a shared project.
These records are grouped by the street name and borough published by DOB. Each address remains an independent filing unless its source record explicitly connects it to another site. Use this page to scan activity along the corridor, then open an individual filing for its exact status, scope and identifiers.
Explore this corridor on the mapSource snapshot accessed Sep 14, 2026. Street grouping is based on the normalized street-name field.