Southwestern Life Insurance Building, Insurance office building in Downtown Dallas, US

The Southwestern Life Insurance Building was a 16-story, 110,000-square-foot high-rise at 1500 Main Street in downtown Dallas, designed by Lang & Witchell in the Sullivanesque style. Its light-colored masonry facades carried a dense grid of rectangular windows in vertical piers, with carved decorative panels and a stepped, pinnacled crown near the roofline. Storefronts occupied the street level.

The Southwestern Life Insurance Company, formed in 1903, bought the southeast corner of Main and S. Akard in 1910 for $300,000, announced by president Henry D. Lindsley. Lang & Witchell designed the 16-story Sullivanesque tower, completed in 1912 at 1500 Main Street. The company moved out in 1964; Bill Clements bought the building in 1965 and demolished it in 1972 for a parking lot.

The building marked a turning point in Dallas's business identity, when insurance companies became major drivers of downtown development and shaped how the city saw itself economically. Its presence reinforced Dallas as a financial hub for the region.

The building occupied a central location that was convenient for business operations, with good accessibility through elevators and quality facilities. Its position on Main Street made it a recognizable landmark in downtown Dallas.

The 1910 purchase of the corner of Main and South Akard was called "the largest real estate deal ever made in either the city or county of Dallas by individuals or companies." The sellers were Mr. and Mrs. W. M. Freeman and Miss May Burford, and the price was $300,000. The site had earlier held an 1886 brick building associated with the Rock Island Railroad Company and the Dallas Business College.