Brooklyn Typology: blockgroups by decade built up

Zone	Density per acre	Units per acre	Platted	Decades Built Up	Primary Housing Type	Neighborhood
tract 139, blockgroup 3	103.90	45.54	1839	1860 — 1870	single family attached	Park Slope
tract 177, blockgroup 1	0.01	0	1865	1865 — 1873	institutional or recreational	Prospect Park
tract 153, blockgroup 2	92.70	46.15	1839	1860 — 1880	single family attached	Park Slope
tract 533, blockgroup 1	182.81	41.74	1839	1860 — 1880	two to four flats	Williamsburg
tract 181, blockgroup 1	63.72	32.7	1839	1860 — 1890	single family attached	Fort Greene
tract 271.01, blockgroup 3	36.60	16.67	1839	1860 — 1890	two to four flats	Bedford-Stuyvesant
tract 571, blockgroup 2	159.97	63.1	1850	1860 — 1890	apartments above retail	Greenpoint
tract 573, blockgroup 2	84.63	35.94	1850	1860 — 1890	two to four flats	Greenpoint
tract 253, blockgroup 3	25.72	11.36	1839	1860 — 1910	two to four flats	Bedford-Stuyvesant
tract 569, blockgroup 2	38.40	17.79	1850	1860 — 1920	two to four flats	Greenpoint
tract 992, blockgroup 1	52.47	18.35	1880	1860 — 1920	single family detached	Canarsie

Brooklyn Typology