Hiller Building

The Siemer House was located on Lot 1, Block 17 of the original town of Davenport, Iowa, United States, which today is the west side of downtown. The property was listed on the National Register of Historic Places in 1977. In 1983 it was included as a contributing property in the West Third Street Historic District. The building deteriorated and it was torn down in 2007.

West Third Street Historic District is located on the west side of downtown Davenport, Iowa, United States. It was listed on the National Register of Historic Places in 1983. The historic district connects the central business district with the working-class neighborhoods of the West End. Its historical significance is its connection to Davenport's German-American community. Germans were the largest ethnic group to settle in Davenport.

The German American Heritage Center, also known as the Germania-Miller/Standard Hotel, is a cultural center and museum in Davenport, Iowa, United States, that chronicles and preserves the history of German-Americans in the Midwest region. The building was listed on the National Register of Historic Places in 1983.

The Charles F. Ranzow and Sons Building is a historic building located on Lot 1, Block 18 of the original town of Davenport, Iowa, United States. It is part of the West Third Street Historic District, which was added to the National Register of Historic Places in 1983. The building was individually listed on the Davenport Register of Historic Properties in 2000.

Koenig Building was a historic building located in downtown Davenport, Iowa, United States. The Italianate style commercial building was listed on the National Register of Historic Places in 1984. Augustus Koenig had this building constructed in 1872 for his daughters Pauline and Emma. They operated a millinery and fancy goods shop on the main floor and they lived in the apartments above. In later years the commercial space housed a tavern. The structure has subsequently been torn down and the property is now a surface parking lot. The Koenig Building was a three-story brick structure. It featured a bracketed cornice with a curved pediment. The round-arch widows on the second and third floors had metal hoods with keystones. The building was typical of the city's Victorian commercial buildings.

The International Harvester Truck Sales and Service Station, also known as Bowstring Lofts, is a historic building located in downtown Davenport, Iowa, United States. International Harvester had the building built in 1927 for their first truck sales and service facility. For forty years it housed flower wholesaler Tri-City Florist Supply and Florist Distributing Inc. In 2024, the building opened as Bowstring Lofts. Its name comes from the arched steel roof support structures that are known as bowstring trusses, which are generally used to span longer distances in buildings and bridges. It was listed on the National Register of Historic Places in 2025.

Iowa Reform Building is a historic building located in downtown Davenport, Iowa, United States. It was listed on the National Register of Historic Places in 1983 and on the Davenport Register of Historic Properties in 2002.

Building at 813–815 W. Second Street is an historic building located near downtown Davenport, Iowa, United States. It was listed on the National Register of Historic Places in 1983. The building was built by Lorenz Wahle who was an associate in the German Savings Bank and had formerly worked as a grocer. The date of the building's construction is difficult to discern as the Wahle family owned two buildings on this site between 1870 and 1920. It is significant for its vaguely Neoclassical cast concrete facade, now hidden by metal siding, which is a unique feature in the city. The structure served as a warehouse until it was renovated in 2003 as a gay nightclub named "Club Fusion." In 2012, after the building had been empty for a few years, it was bought and converted into a convenience store and a bar.

The Hoffman Building was a historic building located in downtown Davenport, Iowa, United States. The building was built around 1855. John V. Hoffman operated a grocery store in the shop on the first floor. He lived in the apartment on the second floor. The building was typical of Davenport's early commercial architecture with a steep-pitched side-gable roof. It featured a well-preserved cast-iron shop front. In its early days a long shed roof extended from the building and was supported by posts along the curb to shelter the sidewalk. It and was listed on the National Register of Historic Places in 1983. Like the Prien Building next door, Mueller Lumber Company across the street and the Riepe Drug Store/G. Ott Block on the 400 block of Second Street, it was torn down in the late 20th century.

The Prien Building was a historic building located in downtown Davenport, Iowa, United States. It was listed on the National Register of Historic Places in 1983. Like the Hoffman Building next door, Mueller Lumber Company across the street and the Riepe Drug Store/G. Ott Block on the 400 block of Second Street, it was torn down in the late 20th century.

The Henry Lischer House is a historic building located in the Hamburg Historic District in Davenport, Iowa, United States. The district was added to the National Register of Historic Places in 1983. The house was individually listed on the Davenport Register of Historic Properties in 1993.

The Central Fire Station is located in downtown Davenport, Iowa, United States and serves as the headquarters of the Davenport Fire Department, as well as the downtown fire station. Built from 1901 to 1902, the original building is the oldest active fire station west of the Mississippi River. It was individually listed on the National Register of Historic Places in 1982. In 2020 it was included as a contributing property in the Davenport Downtown Commercial Historic District.