Brooklyn Typology: blockgroups by decade built up

Zone	Density per acre	Units per acre	Platted	Decades Built Up	Primary Housing Type	Neighborhood
tract 134, blockgroup 3	82.03	35.87	1880	1890 — 1910	single family attached	Bay Ridge
tract 224, blockgroup 4	95.95	28.76	1839	1890 — 1910	single family attached	Borough Park
tract 882, blockgroup 4	181.49	65.87	1870	1890 — 1910	two to four flats	Brownsville
tract 884, blockgroup 1	137.86	54.69	1870	1890 — 1910	apartments above retail	Brownsville
tract 886, blockgroup 1	117.92	44.03	1870	1890 — 1910	two to four flats	Brownsville
tract 900, blockgroup 3	90.27	31.94	1870	1890 — 1910	two to four flats	Brownsville
tract 600, blockgroup 3	59.89	25.49	1890	1890 — 1920	single family detached	Sheepshead Bay
tract 226, blockgroup 1	47.51	11.36	1890	1890 — 1930	industrial	Borough Park
tract 296, blockgroup 1	98.93	43.47	1880	1890 — 1940	two to four flats	Gravesend
tract 1142.01, blockgroup 2	15.94	5.05	1850	1890 — 1940	single family detached	Cypress Hills
tract 1162, blockgroup 3	61.56	20.78	1890	1890 — 1980	single family attached	East New York
tract 1194, blockgroup 3	74.18	26.16	1880	1890 — 2000	two to four flats	East New York

Brooklyn Typology