Abstract: An adjustable base bracket for roof scaffolding post includes a base adapted to be secured to roof trusses having a width sufficient to span at least two roof trusses. The base has a leading edge intended to be positioned upslope on a pitched roof and a trailing edge. An elongate body is pivotally mounted to the base for pivotal movement about a substantially horizontal pivot axis. The body has a first end oriented toward the leading edge of the base and a second end. The pivot axis is positioned at the first end of the body. A receptacle positioned on the body which is adapted to receive a scaffolding post.