 It was annexed by Los Angeles on May 22, 1915, after completion of the Los Angeles Aqueduct, providing it with the water required for further growth.Van Nuys was the first new stop on the San Fernando Line of the Pacific Electric Railway red cars system, which boosted its early land sales and commercial success.Van Nuys became the Valley's satellite Los Angeles municipal civic center with the 1932 Art Deco Valley Municipal Building (Van Nuys City Hall), a visual landmark and Los Angeles Historic-Cultural Monument, starting the present-day Government Center complex of government services buildings.