A. B. Seavey House

The Jacobs Houses and Store are a collection of three Federal-period historic buildings at 9-17 Elm Street in Saco, Maine. Built between 1820 and 1826, there are two similar wood-frame houses and a large brick commercial building, all associated with the Jacobs family, local businessmen. The buildings were listed as a group on the National Register of Historic Places in 1982.

The Saco Historic District encompasses the historic commercial and residential centers of Saco, Maine. Covering more than 100 acres (40 ha) of central Saco, it includes houses from the 18th through 20th centuries, and the main business district along Main Street. It was added to the National Register of Historic Places in 1998.

The Former Saco Central Fire Station is a historic fire station at 14 Thornton Avenue in Saco, Maine. Built in 1939 with funding from the Public Works Administration, it was the city's first modern firehouse, designed to house motorized (rather than horse-drawn) equipment, and outfitted with the latest technology. The building was listed on the National Register of Historic Places in 2013. The building housed the fire department until 2011, and has since been converted into a mixed-use residential and commercial property.

Saco Transportation Center, also referred to as Saco or Saco–Biddeford in some timetables, is a passenger transportation station in Saco, Maine, served by Amtrak, the national railroad passenger system, and other transportation providers. On average, about 110 passengers daily board or alight Amtrak's Downeaster service at the station, making it the third-busiest stop in Maine. The station is located next to the Pan Am Railways mainline, formerly the Western Route mainline of the Boston & Maine Railroad. The train platform was constructed in 2001, and the station building was constructed in 2008 and opened in 2009. The station, at 138 Main Street, is owned by the City of Saco. The station is notable for being the first green design train station in the U.S. When it was built, it featured a wind turbine for electricity, geothermal heating and cooling systems, and a roof made from recycled soda bottles; however, the wind turbine, which cost the city about $200,000, did not produce the expected amount of electricity, and was shut down in 2006 after safety concerns. It was removed in November 2018.

Saco City Hall is located at 300 Main Street in downtown Saco, Maine. It is a transitional Greek Revival-Italianate brick building, designed by Thomas Hill and built in 1855. It was listed on the National Register of Historic Places in 1979.

The Thacher-Goodale House is a historic house at 121 North Street in Saco, Maine. Built in 1827, it is a sophisticated early expression of Greek Revival architecture, retaining significant Federal period details. Built for George Thacher, Jr., a lawyer, it was owned for many years by members of the Goodale family, most notably the botanist George Lincoln Goodale. The house was listed on the National Register of Historic Places in 1976.

The J. G. Deering House, also known as the Dyer Library/Saco Museum, is an historic house at 371 Main Street in Saco, Maine. Completed in 1870, it is a fine local example of Italianate style. Built for Joseph Godfrey Deering, it was given by his heirs to the city for use as a library. It was listed on the National Register of Historic Places in 1982.

Dyer Library is the public library serving Saco, Maine. Funded by a bequest from Olive Dyer, the first home of the Dyer Library opened in 1881 in the basement of Saco City Hall. The library is now located in the J.G. Deering House.

The Biddeford–Saco Mills Historic District encompasses the historic mill complex that flanks both sides of the Saco River in Biddeford and Saco, Maine. It covers 38 acres (15 ha) of property adjacent to both cities' downtown areas which has seen industrial uses since the 18th century, and presently contains a collection of well-preserved 19th and early-20th century industrial buildings. The district was added to the National Register of Historic Places in 2008. Many of the buildings in the district have been rehabilitated and repurposed for other uses, including residential, commercial, and industrial.

The Dudley Block is a historic mixed-use commercial and residential building in at 28-34 Water Street in downtown Biddeford, Maine. Built in 1848, it is one of the older buildings in the downtown area, and is a fine example of Greek Revival commercial architecture. It was listed on the National Register of Historic Places in 1982, and was included in the Biddeford Main Street Historic District in 2009.

Biddeford Main Street Historic District is an historic district in downtown Biddeford, Maine, USA. It encompasses the heart of the city's civic and commercial business district, extending along Main and Water Streets between Pike and Elm Streets, extending for short distances along several side streets. It is noted for its collection of late 19th and early 20th century commercial brick and masonry architecture. The district was added to the National Register of Historic Places in 2009.

McArthur Public Library is a public library in Biddeford, Maine. It opened in October 1863 as a department within Biddeford City Hall, and has been in its current location since 1902. It is one of the oldest tax-supported libraries in New England, and the oldest in the state of Maine.