East Park

The Dr. G.C. Stockman House (also known as Mrs. Evangeline Skarlis House) was designed by Frank Lloyd Wright and built in 1908 for Dr. George C. and Eleanor Stockman in Mason City, Iowa. The home was originally located at 311 1st St. SE, but was moved to 530 1st St. (David Christiansen) NE to avoid demolition.

The Chris Rye House is a historic building located in Mason City, Iowa, United States. Rye was a local contractor who built this Prairie School influenced house for his family. He may have designed it as well. Rye was responsible for constructing many of Walter Burley Griffin's houses in the Rock Crest – Rock Glen development, as welll as other buildings in north-central Iowa.

The A.J. Andrus Duplex, also known as the Paul Pritchard Duplex, is a historic building located in Mason City, Iowa, United States. The two story structure was completed in 1921 in the Prairie School style. Its most distinguishing feature is its C-shaped plan. The exterior is composed of brick on the first floor and stucco on the second floor.

The C.F. Franke House is a historic building located in Mason City, Iowa, United States. Built in 1916, the exterior of the two-story structure is covered with stucco. It utilizes the Mason City variant of the Prairie School style to stucco over corbelled masonry to form the wall panels for visual effect.

The George Romey House, also known as the Bruce Girton House, is a historic building located in Mason City, Iowa, United States. George A. Romey was a local realtor who worked in partnership with William L. Patton. He had Fred Lippert design this Prairie School house, which was built by J.M. Felt & Company in 1920.

The Stewart Avenue Bridge is a historic structure located in Mason City, in the north-central part of the U.S. state of Iowa. The span carries North Carolina Avenue over the Winnebago River for 116 feet (35 m). This span replaced bowstring arch-truss bridge at this residential location. The Iowa State Highway Commission had the plans completed by November 1913, although the city did not petition the county to have it built until February 1914.

The William C. and Margaret Egloff House is an historic building located in Mason City, Iowa, United States. The house is a rare example of the International style in the Midwest. It was designed by St. Paul, Minnesota architect E. Richard Cone, who was also William Egloff's brother-in-law. The two-story struce is covered with stucco.

The State Street Bridge is a historic structure located in Mason City, Iowa, United States. The span carries East State Street over Willow Creek for 62 feet (19 m). In the mid- to late-19th century, State Street was the only road into town from the east. There was a bridge at this crossing from at least 1875, but it is unknown what kind of bridges or how many served the crossing.

The Rock Crest–Rock Glen Historic District is a nationally recognized historic district located in Mason City, Iowa, United States. It was listed on the National Register of Historic Places in 1979. At the time of its nomination it contained 10 resources, which included eight contributing buildings, one contributing site, and one non-contributing building.