Brooklyn Typology: blockgroups by decade platted

Zone	Density per acre	Units per acre	Platted	Decades Built Up	Primary Housing Type	Neighborhood
tract 171, blockgroup 3	51.72	23.85	1870	1900 — 1950	single family attached	Windsor Terrace
tract 492, blockgroup 3	79.79	31.8	1870	1920 — 1960	apartments above retail	Kensington
tract 508, blockgroup 4	341.80	108.85	1870	1880 — 1930	four story apartments	Flatbush
tract 766, blockgroup 1	114.46	38.51	1870	1900 — 1930	single family detached	Flatbush
tract 836, blockgroup 2	40.90	14.19	1870	1900 — 1920	single family semi-detached	East Flatbush
tract 882, blockgroup 4	184.35	65.87	1870	1890 — 1910	two to four flats	Brownsville
tract 884, blockgroup 1	141.67	54.69	1870	1890 — 1910	apartments above retail	Brownsville
tract 886, blockgroup 1	119.16	44.03	1870	1890 — 1910	two to four flats	Brownsville
tract 900, blockgroup 3	91.75	31.94	1870	1890 — 1910	two to four flats	Brownsville
tract 908, blockgroup 3	154.90	58.88	1870	1955 — 1960	high-rise apartments	Brownsville
tract 1148, blockgroup 1	45.77	14.6	1870	1880 — 1920	two to four flats	Cypress Hills
tract 1184, blockgroup 3	107.45	31.48	1870	1880 — 1920	single family attached	Cypress Hills

Brooklyn Typology