Central Square Historic District (Lynn, Massachusetts)

The Mowers' Block is a historic commercial block at Seven Willow St. and 67-83 Blake Street in downtown Lynn, Massachusetts. It was built in 1891 for the Mower & Brother shoemaking firm. The brick and granite building was built on the site of the Mower's old factory, in which the Great Lynn Fire of 1889 started, destroying not just their factory but a large swath of downtown Lynn as well. When completed, it was the largest building in the burned area.It was added to the National Register of Historic Places in 1982, and was included in the Central Square Historic District in 1985.

The Thomas P. Costin Jr. Post Office Building, formerly known as the United States Post Office—Lynn Main is a historic post office building at 51 Willow Street in Lynn, Massachusetts. It still serves as Lynn's central post office. The two story granite Art Moderne building was built in 1933. It features a central three-bay entry pavilion that projects slightly from the facade; there are pilaster elements flanking and between the windows of this section. On either side of the entry are four-bay wings. The building occupies the entire width of a city block. Inside, the lobby area is richly colored, with multiple shades of marble used on the floors and decorative wall and ceiling elements. It also retains a number of original features, such as writing desks and light fixtures.The building was listed on the National Register of Historic Places in 2002.In late 2018, the building was renamed by an Act of Congress in honor of Thomas P. Costin Jr., the 45th and youngest Mayor of Lynn, who later served as Postmaster for the Lynn District from 1961 to 1992. The official dedication ceremony was held on May 24, 2019.

The Capitol Diner is a historic diner at 431 Union Street in Lynn, Massachusetts. Built in 1928 by the J. G. Brill Company, it is believed to be that company's last operating diner. It was listed on the National Register of Historic Places in 1999.

Lynn Heritage State Park was a history-themed state park in downtown Lynn, Massachusetts, and was part of the Metropolitan Park System of Greater Boston. It opened in 1986. The Lynn Museum and Historical Society (the tenant of the former Park Visitor Center building) now displays exhibits which highlight the city's industrial past, the tradition of shoemaking and its transition from a handicraft to mechanization, and the story of Elihu Thomson, an engineer and inventor instrumental in the founding of General Electric. The park offers guided tours and a self-guided walking tour and includes the nearby 4.5-acre (1.8 ha) Waterfront Park, located at Lynn Harbor.

The Tapley Building was a historic Romanesque building at 206 Broad Street in Lynn, Massachusetts. The five story brick factory building was built in 1890 to replace an earlier factory, which was destroyed in Lynn's 1889 fire. It was built for the firm founded by Philip P. Tapley, which was one of Lynn's leading shoe manufacturers. It included firesafe construction methods including fireproof stairwells, and two elevators.It was listed on the National Register of Historic Places in 1983. A total of five Holman K. Wheeler structures in Lynn are listed on the National Register. The building was destroyed by fire in 1999.

The Fabens Building is a historic commercial building at 312-344 Union Street in Lynn, Massachusetts. The four story brick building was built in 1890, replacing two buildings that were destroyed in Lynn's disastrous 1889 fire. It was built for William Fabens, a Marblehead lawyer and judge who maintained offices in the city and sat on the city police court. The building had seven storefronts on the ground floor, with office space on the upper floors. Designed by local architect Henry Warren Rogers, it is one Lynn's most significant Romanesque Revival buildings.The building was listed on the National Register of Historic Places in 1982, and is one of three registered buildings in Lynn designed by Henry Warren Rogers.

The Lynn Realty Company Building No. 2 is a historic commercial building at 672-680 Washington Street in Lynn, Massachusetts. A long rectangular eight story brick building, it was built in 1902 to a design by local architect Henry Warren Rogers. The building is three window bays wide and seventeen long. Although it originally formally fronted on Washington Street, it extends on its long axis for most of a city block along Farrar Street. The original Washington Street entrance has been filled in, and the present entrance is now at what was the rear of the building, the southeast side, where there is a metal awning leading to a modern glass door. Windows on the street-facing sides are paired, with granite sills and header arches of a lighter-colored brick than the main body of the building. Brick pilasters rise between these paired windows the full height of the building, to a modestly-corbelled cornice.The Lynn Realty Company was a company formed to redevelop Lynn after a disastrous fire in 1889 destroyed much of the downtown, along with major shoe factories. The Company had this building built in 1902, when the shoe business began to show signs of recovery. The building provided space for all manner of businesses related to the manufacture of shoes, providing power and a fire-safe environment. Although the building was fitted for steam power, it was designed with an electrical system (then a novelty) as a backup. However, the low cost of the electrical power meant that the steam system was apparently never used.The building has been converted to residential use. It was listed on the National Register of Historic Places in 1983, and is one of three registered buildings in Lynn designed by Henry Warren Rogers.

The Lynn Item Building is a historic commercial building at 38-54 Exchange Street in downtown Lynn, Massachusetts. It was built in 1900-1901 to a design by local architect Henry Warren Rogers. It was home to The Daily Item, the city's leading newspaper, until 2014, and is the city's only surviving 19th-century purpose-built newspaper building. It was listed on the National Register of Historic Places in 2023. It was converted to mixed commercial and residential use in 2021.

The Vamp Building is a historic factory building at 3-15 Liberty Square in downtown Lynn, Massachusetts. The eight story brick building was built in 1903 as the Lynn Realty Company Building #4 to a design by local architect Henry Warren Rogers, and was extended over the next four years to occupy the entire city block bounded by Washington Street, Union Street, and Liberty Square. The "flatiron" V-shape of the building was the basis for its name, as it resembles the shape of the vamp of a shoe. The building served in its early years as a home for all manner of businesses related to the manufacture of shoes. At the time of its construction it was the largest brick building of its kind in the world.The building suffered relatively little damage in the fire of November 28, 1981, losing only its top floor. The strong construction and newly installed sprinkler system were credited with limiting the scope of destruction of the fire, preventing the blaze from reaching farther into the city.The building was listed on the National Register of Historic Places in 1983, and is one of three registered buildings in Lynn designed by Henry Warren Rogers.

The Lynn Bank Block is a historic bank building at 21–29 Exchange Street in Lynn, Massachusetts. The three story building was built for the First National Bank of Lynn and the Lynn Institution for Savings in 1891. It was the first Colonial Revival construction in Lynn's rebuilding effort after a disastrous fire destroyed much of its central business district in 1889. Most of the earlier buildings erected after the fire were in Romanesque Revival styling. The building features a large central entry section with an arch framing a recessed doorway and a Palladian window above, which is flanked by columns. On either side of the entry the building extends for three window bays. The two banking institutions shared the building, one occupying each side.The building was listed on the National Register of Historic Places in 1982.The building currently serves as the headquarters of LynnArts, a local arts organization. It was also home to the studios of noted independent alternative rock station, WFNX for the station's entire existence from 1983 to 2012. Both LynnArts and WFNX used the address of the building as 25 Exchange Street.

The Old Lynn High School is a historic school at 50 High Street in Lynn, Massachusetts. The two story wood frame Italianate building was built in 1850 and opened to students in 1851. Originally five window bays in length, it was extended in 1876 by the addition of three bays to reach its present size, measuring 45 feet (14 m) by 95 feet (29 m). It sits on a rise overlooking the downtown area in a residential neighborhood.Inside the building, the first floor shows only traces of its original academic use, having been converted to other uses. The second floor still shows the original classroom layouts, with two classrooms occupying either side of a central hallway in the original part of the building, and a third classroom is contained in the 1876 addition.The building was used by the city for academic purposes for 124 years. It was the city's first high school until 1892, after which it served as a vocational shop for the English High School, which was built across Liberty Street to the west. In 1924 it became the home of the Lynn Independent Industrial Shoemaking School, which operated in the building until 1975. In 2002 the building had been vacant for some time, and was suffering from neglect and vandalism, including attempted arson. The building was rehabilitated and expanded in a historically sensitive way, and is now the facilities of Girls Incorporated of Lynn.The building was listed on the National Register of Historic Places in 2002.

The Munroe Street Historic District encompasses some of the few commercial buildings to survive in downtown Lynn, Massachusetts from the mid 19th century. The district includes properties on Munroe Street between Market and Washington Streets, which was spared by the 1889 fire that destroyed much of Lynn's downtown area. It was listed on the National Register of Historic Places in 1996.