Jack Lamberson House, Frank Lloyd Wright residential design in Oskaloosa, Iowa, United States.
The Jack Lamberson House is a single-family home in Oskaloosa, Iowa, designed by Frank Lloyd Wright and listed on the National Register of Historic Places. It features 60 and 120-degree angles, a low-pitched roof, and long horizontal lines that run across the facade.
The house was built in 1951 as part of Wright's Usonian program, which aimed to bring quality home design to middle-income families. Oskaloosa is home to two of the seven Usonian houses Wright designed across Iowa, placing the town at the center of his residential work in the state.
The house is named after its original owner and reflects Wright's belief that thoughtfully designed living spaces should be accessible to ordinary families. Visitors can see how the open layouts and natural materials he favored were meant to shape the daily life of those living here.
The house sits on North Park Avenue and can be seen from the street without entering the property. Because it is a private residence, it is worth checking in advance whether any closer access is possible.
The angular geometry of the house follows a strict grid based on 60 and 120-degree angles, a system Wright called his Usonian unit grid. This mathematical logic makes the interior feel more open than the floor plan would suggest.
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