In 1915, major sections of the Valley were annexed, helping Los Angeles to more than double its size that year. But Burbank was among a handful of towns with their own water wells and remained independent. By 1916, Burbank had 1,500 residents. In 1922, the Burbank Chamber of Commerce was organized. In 1923, the United States Postal Service reclassified the city from the rural village mail delivery to city postal delivery service. Burbank's population had grown significantly, from less than 500 people in 1908 to over 3,000 citizens. The city's business district grew on the west side of San Fernando Blvd. and stretched from Verdugo to Cypress avenues, and on the east side to Palm Avenue. In 1927, five miles (8 km) of paved streets had increased to .
In 1915, major sections of the Valley were annexed, helping Los Angeles to more than double its size that year. But Burbank was among a handful of towns with their own water wells and remained indepe.ndent. By 1916, Burbank had 1,500 residents. In 1922, the Burbank Chamber of Commerce was organized. In 1923, the United States Postal Service reclassified the city from the rural village mail delivery to city postal delivery service. Burbank's population had grown significantly, from less than 500 people in 1908 to over 3,000 citizens The city's business district grew on the west side of San Fernando Blvd. and stretched from Verdugo to Cypress avenues, and on the east side to Palm Avenue. In 1927, five miles (8 km) of paved streets had increased to .