^^^Homecreek, I'm pretty sure that building is an office building called the Travis Building. (not to be confused with the William B. Travis State Office Building.) The address for the Travis Building is 205-209 W. 9th Street. It was built in 1946.
Here's a photo I took back in 2010
1969:
It's obviously been painted since the 1969 photo, but if you compare the roof of the first and more current photos, it appears to be the same building.
There's another photo of it on Emporis and you can see the roof a little better.
Travis Building
Kevin would know for sure.
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