The epic construction began on March 17, 1930. Despite the Great Depression, that had burst out a year earlier, it took only 1 year and 45 days to finish it from excavating of the pit to the first renter to move in. The team worked ahead of schedule, involving 3400 workers. The total expenses of the project were only $24,718,000, about half of the anticipated cost.

It took approximately 7,000,000 man hours to complete the building which weight was about 365,000 tons. During the process of building 57,000 tons of steel were used in the framework, 6,500 windows were fitted and 17,000,000 feet of telephone wire were conveyed. After the project had been accomplished The Empire State Building was regarded to be the highest building on our planet for almost 40 years.