Brooklyn Typology: blockgroups by decade platted

Zone	Density per acre	Units per acre	Platted	Decades Built Up	Primary Housing Type	Neighborhood
tract 399, blockgroup 3	96.25	43.96	1840	1870 — 2000	two to four flats	Bushwick
tract 403, blockgroup 1	45.93	18.21	1840	1870 — 2000	two to four flats	Bushwick
tract 419, blockgroup 1	113.36	33.74	1840	1870 — 2000	two to four flats	Bushwick
tract 435, blockgroup 1	104.88	27.48	1840	1870 — 2000	apartments above retail	Bushwick
tract 447, blockgroup 2	45.06	14.16	1840	1870 — 2000	loft conversions	Bushwick
tract 493, blockgroup 2	165.74	55.89	1840	1840 — 1910	apartments above retail	Williamsburg
tract 505, blockgroup 2	117.73	37.58	1840	1840 — 1910	two to four flats	Williamsburg

Brooklyn Typology