Brooklyn Typology: blockgroups by decade platted

Zone	Density per acre	Units per acre	Platted	Decades Built Up	Primary Housing Type	Neighborhood
tract 210, blockgroup 1	87.55	36.61	1890	1900 — 1930	single family semi-detached	Borough Park
tract 218, blockgroup 1	91.78	23.58	1890	1900 — 1930	apartments above retail	Borough Park
tract 226, blockgroup 1	47.20	11.36	1890	1890 — 1930	industrial	Borough Park
tract 335, blockgroup 3	52.63	14.06	1890	1910 — 1930	single family detached	Crown Heights
tract 359, blockgroup 1	100.42	43.13	1890	1900 — 1930	two to four flats	Crown Heights
tract 600, blockgroup 3	59.90	25.49	1890	1890 — 1920	single family detached	Sheepshead Bay
tract 840, blockgroup 1	55.88	16.34	1890	1920 — 1930	single family semi-detached	East Flatbush
tract 858, blockgroup 1	61.17	20.42	1890	1920 — 1930	single family detached	East Flatbush
tract 860, blockgroup 3	107.23	35.7	1890	1920 — 1930	single family detached	East Flatbush
tract 862, blockgroup 1	100.77	31.35	1890	1920 — 1930	two to four flats	Rugby
tract 874.01, blockgroup 1	71.75	33.45	1890	1870 — 1900	high-rise apartments	East Flatbush
tract 1098, blockgroup 1	9.98	3.94	1890	1900 — 1920	industrial	East New York
tract 1162, blockgroup 3	61.16	20.78	1890	1890 — 1980	single family attached	East New York

Brooklyn Typology