The new owner of the Papermill Creek Saloon is a retired firefighter who doesn’t have deep pockets—but he does have determination. He needed every ounce of it as he labored to bring the storied Forest Knolls dive bar back to life.

Finally, after nearly a year jumping through regulatory hoops, Bryan Hendon is on the brink of reopening the bar, whose guests have included musical luminaries such as Janis Joplin and Jerry Garcia, both of…