Plainfield, New Jersey

All Souls Church, also known as the First Unitarian Society of Plainfield, is located at 724 Park Avenue in the city of Plainfield in Union County, New Jersey, United States. Built in 1892, the historic stone church was added to the National Register of Historic Places on December 11, 2009, for its significance in architecture and religion.

The Plainfield Masonic Temple is located at 105 East 7th Street in the city of Plainfield in Union County, New Jersey, United States. Built in 1929 by Jerusalem Lodge No. 26 Free & Accepted Masons, the historic Neoclassical Revival style masonic temple was added to the National Register of Historic Places on September 16, 2024, for its significance in architecture.

The Plainfield Civic District is a 2-acre (0.81 ha) historic district located in the city of Plainfield in Union County, New Jersey. It was added to the National Register of Historic Places on June 17, 1993 for its significance in architecture, politics/government, and community planning. The district includes three contributing buildings and one contributing object.

The Orville T. Waring House is a historic building located at 900 Park Avenue in the city of Plainfield in Union County, New Jersey. Built in 1881, it was added to the National Register of Historic Places on May 14, 1979, for its significance in architecture, commerce, and industry. Orville Taylor Waring was an oil industry pioneer. The house was added as a contributing property to the Van Wyck Brooks Historic District on December 10, 1985.

Grace Church or Grace Episcopal Church is a historic Episcopal church located at 600 Cleveland Avenue in Plainfield, Union County, New Jersey, United States. It was added to the National Register of Historic Places on May 10, 2002, for its significance in architecture, art, and music from 1892 to 1930.

Plainfield High School is a comprehensive community four-year public high school that serves students in ninth through twelfth grades from Plainfield, in Union County, in the U.S. state of New Jersey. The school is part of the Plainfield Public School District, one of New Jersey's 31 former Abbott districts. Plainfield High School was established in 1857, making it the second-oldest high school in New Jersey. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1928.As of the 2021–22 school year, the school had an enrollment of 1,831 students and 129.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 14.2:1. There were 1,219 students (66.6% of enrollment) eligible for free lunch and 190 (10.4% of students) eligible for reduced-cost lunch.

The Plainfield Public School District is a comprehensive community public school district that serves students in kindergarten through twelfth grade from Plainfield, in Union County, New Jersey, United States. The district is one of 31 former Abbott districts statewide that were established pursuant to the decision by the New Jersey Supreme Court in Abbott v. Burke which are now referred to as "SDA Districts" based on the requirement for the state to cover all costs for school building and renovation projects in these districts under the supervision of the New Jersey Schools Development Authority.As of the 2018–19 school year, the district, comprising 13 schools, had an enrollment of 9,363 students and 615.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 15.2:1.The district is classified by the New Jersey Department of Education as being in District Factor Group "B", the second lowest of eight groupings. District Factor Groups organize districts statewide to allow comparison by common socioeconomic characteristics of the local districts. From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.

Plainfield is a NJ Transit railroad station on the Raritan Valley Line, in Plainfield, Union County, New Jersey, United States. One of two train stations in Plainfield, this station serves the central part of the city. The ticket office and waiting area are in the south side station house (the eastbound platform). It was the westernmost station on the line with ADA accessibility, until Somerville's new high-level platforms were opened on December 7, 2010.

The Crescent Area Historic District is a 47-acre (19 ha) historic district located in the city of Plainfield in Union County, New Jersey. It was added to the National Register of Historic Places on December 12, 1980 for its significance in architecture, featuring Victorian houses built from 1870 to 1900. The district includes 111 contributing buildings.

The Van Wyck Brooks Historic District is a 99-acre (40 ha) historic district located in the city of Plainfield in Union County, New Jersey. Named after the author and literary critic Van Wyck Brooks, it was added to the National Register of Historic Places on December 10, 1985, for its significance in architecture. The district includes 109 contributing buildings. The Orville T. Waring House was added individually to the NRHP in 1979 and contributes to the district.

Young Women's Christian Association of Plainfield and North Plainfield is a historic building in Plainfield, Union County, New Jersey, United States. It was built in 1924 and as the name suggests intended to serve young women of both Plainfield and North Plainfield. The building was added to the National Register of Historic Places in 1998.

Plainfield Central Fire Headquarters is located in Plainfield, Union County, New Jersey, United States. The firehouse was built in 1926 and added to the National Register of Historic Places on March 4, 1993.