The Ranzow–Sander House is a historic building located in the West End of Davenport, Iowa, United States.

He established his paint store downtown, Charles F. Ranzow and Sons.

The building is a contributing property in the West Third Street Historic District.

[2] This Vernacular Eastlake cottage shows elements of the Queen Anne and Gothic Revival styles.

[3] It is a 1½-story house features an irregular plan, a steeply pitched roof, and bits of gable-end decorations.