The Bernardo Fernandez House is a Victorian mansion located at 100 Tennent Ave in Pinole, California.

The house is wood frame in French Second Empire style, an unusual architectural style in the area, with elements of Queen Anne and Northern Italian.

A full-height slanted bay on the left side has a pedimented gable roof.

[3] Dr. Joseph Mariotti bought the house in 1969; as of 2020[update] the family still lives there, raising chickens, geese, and ducks on the grounds, which also house a 1965 Ford Thunderbird, a 1950 Bentley, and Fernandez's 52-foot schooner Carlotta, named for his wife, which sank at the dock in the early 1900s and was raised in 1976 by the Ship Lifters of Pinole (SLOP).

This article about a property in Contra Costa County, California on the National Register of Historic Places is a stub.