Brooklyn Typology: blockgroups by decade built up

Zone	Density per acre	Units per acre	Platted	Decades Built Up	Primary Housing Type	Neighborhood
tract 569, blockgroup 2	37.94	17.79	1850	1860 — 1920	two to four flats	Greenpoint
tract 992, blockgroup 1	52.64	18.35	1880	1860 — 1920	single family detached	Canarsie
tract 297, blockgroup 3	75.46	37.75	1839	1870 — 1920	two to four flats	Bedford-Stuyvesant
tract 480, blockgroup 1	82.27	31.51	1850	1870 — 1920	two to four flats	Parkville
tract 238, blockgroup 1	98.78	32.89	1880	1880 — 1920	two to four flats	Borough Park
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
tract 600, blockgroup 3	59.90	25.49	1890	1890 — 1920	single family detached	Sheepshead Bay
tract 112, blockgroup 4	194.80	59.48	1839	1900 — 1920	four story apartments	Borough Park
tract 186, blockgroup 1	67.20	27.2	1900	1900 — 1920	single family semi-detached	Bensonhurst
tract 258, blockgroup 2	106.88	38.85	1900	1900 — 1920	single family semi-detached	Bensonhurst
tract 342, blockgroup 1	141.27	44.71	1900	1900 — 1920	high-rise apartments	Coney Island
tract 554, blockgroup 3	78.47	28.33	1900	1900 — 1920	two to four flats	Sheepshead Bay
tract 628, blockgroup 3	34.60	13.08	1900	1900 — 1920	single family detached	Gerritsen Beach
tract 836, blockgroup 2	40.90	14.19	1870	1900 — 1920	single family semi-detached	East Flatbush
tract 1098, blockgroup 1	9.98	3.94	1890	1900 — 1920	industrial	East New York

Brooklyn Typology