Construction of retaining walls: construction of concrete retaining walls to run 13'-8" east from existing porch foundation. Retaining walls will form a rectangular shape and be infilled with landscaping as planters. Left (east) side of retaining walls will be adjoined by new stone steps, connecting the basement-level area and street level. Basement door: installation of a wood, three-light Craftsman-style door on the left (east) elevation porch foundation. Porch repair: replacement of deteriorated wood tongue-and-groove porch flooring with new wood tongue-and-groove porch flooring.