A gutter system is provided to guard a gutter from the entry of leaves, debris, pine needles, twigs, and the like, and to prevent water and animals from entry. In at least one embodiment, a hanger bracket is configured to secure a gutter to a building, and configured to secure an upper gutter cover and a lower gutter cover, in a tiered, stair-step manner, to the gutter. In another embodiment a gutter system is provided that includes a gutter, an upper gutter cover, a lower gutter cover, and a hanger bracket configured to secure the gutter to a building having a roof and rainwater runoff, and configured to secure the upper gutter cover and the lower gutter cover, in a tiered, stair-step manner, to the gutter. In yet another embodiment a method for protecting gutters from debris other than rainwater runoff is provided.