Although not formally educated in architecture, he became Oklahoma's first licensed architect in 1925 and designed several buildings on the National Register of Historic Places.

[b] He worked as a steel superintendent in 1910 for a Kansas City, Missouri construction company the Oak Cliff Viaduct, a 6,562-foot long (2,000 m) viaduct[3] being built between Dallas and Oak Cliff, Texas[1] By 1912, he had secured a position with the Smith, Rae, and Lovitt architectural firm in Kansas City, Missouri as a draftsman and specification writer.

[2] In 1918, he was made a full partner in the firm (renamed Smith, Rea, Lovitt & Senter) and remained in Okmulgee.

The floor was flooded and frozen by refrigerant circulated in pipes cast into the concrete beneath to make the ice rink.

The building also had a unique acoustic ceiling made with tons of crushed sugar cane fibers (bagasse).

[7] The building was the first indoor ice rink south of the Mason–Dixon line and home of the Tulsa Oilers from 1929 until it was destroyed by fire in 1952.

[10] On November 2, 1910, he married Murriel Houghton a native of Streator, Illinois,[1] with whom he had three children, including Leon B. Senter, Junior, who also became an architect.