Absolom Riggs House, also known as the Mathias House, is a historic home located near Weatherby, DeKalb County, Missouri. It was built about 1865, and is a two-story brick dwelling with an ell shaped plan. It has a gable roof and an addition was built in 1902. It is one of two examples of brick architecture in the county (the other is the Dalton-Uphoff House).
It was listed on the National Register of Historic Places in 1982.