Kemp, a two-time winner of the U.S. Senior Amateur Championship, put together rounds of 70 and 72 on the George C. Thomas and Billy Bell-designed course to capture victory in what was the 18th playing of the Championship.
Finishing in second place and one shot behind the champion was Frank Pieper of Carmel, who matched Richardson's 72 on Wednesday after an opening-round 71 to finish at 3-over par.
Other notables in the field included 2015 Champion Patrick Rohan who finished T6, 2014 Champion Kenneth Knott who finished T30, 2012 Champion Ray Vanyo who finished T48 and 2013 Champion Rob Thompson who finished 65th.
The 2017 championship marked the third consecutive year the event was played at Ojai Valley Inn & Spa.
