[1] For its role in the cultural popularity of the surfing sport, and its subsequent technological influence on the surfboard evolution and efficiency, the period of the NRHP designation significance is 1945–1959.

During this era, surfer Bob Simmons was a regular on the Malibu scene, and pioneered the use of fiberglass and polyester resin to create a lightweight, durable surfboard, having a definitive impact on the design, production, and performance of the sport.

[4] Joe Quigg and Matt Kivlin were Malibu surfer contemporaries of Simmons who also contributed to the surfboard's evolution.

[9] The National Register of Historic Places listing nomination was submitted in 2015 by Michael Blum of the non-profit "Sea of Clouds" based in Hermosa Beach, California.

[10] In 2021, the United States Department of Agriculture substantiated this specific NRHP designation as a model first step towards historic preservation working in tandem with coastal zone management.