| Name | Styles | Significance | Periods |
|---|
Firehouse No. 4 (1015 South Ave.) | Mission, Spanish Revival, Bungalow, Craftsman | architecture, community planning and development | 1925-1949, 1900-1924 |
Hillside Avenue Historic District (Hillside Ave. from Watchung Ave. to Martine Ave.) | Queen Anne, Shingle Style, Colonial Revival | architecture | 1900-1924, 1875-1899 |
Nathaniel Drake House (602 W. Front St.) | Gothic Revival | architecture | 1850-1874, 1700-1749 |
North Avenue Commercial District (Park, North, and Watchung Aves.) | Late Victorian | religion, transportation, commerce, architecture | 1900-1924, 1875-1899 |
North Avenue Commercial Historic District (Park, North, and Watchung Aves.) | Late Victorian | architecture, commerce, religion, transportation | 1875-1899, 1925-1949, 1900-1924 |
Orville Waring T., House (900 Park Ave.) | Late Victorian | architecture, industry, commerce | 1875-1899 |
Plainfield Central Fire Headquarters (315 Central Ave.) | Late 19th And 20th Century Revivals, Other | community planning and development, architecture | 1925-1949 |
Plainfield Civic District (Roughly, Watchung Ave. between E. Fifth and E. Seventh Sts.) | Late 19th And 20th Century Revivals | community planning and development, politics, government, architecture | 1925-1949, 1900-1924 |
Saint Mary's Catholic Church Complex (Liberty and W. 6th Sts.) | Gothic, Other | religion, architecture | 1850-1874, 1925-1949, 1875-1899, 1900-1924 |
Smalley- Wormser House (W of Plainfield at 84 Mountain Ave.) | Other | architecture, social history, military | 1750-1799 |
Van Wyck Brooks Historic District (Roughly bounded by Plainfield Ave., W. Eighth St., Park Ave., W. Ninth St. and Madison Ave., and Randolph Rd.) | Late 19th And 20th Century Revivals, Late Victorian | architecture | 1875-1899, 1900-1924 |
Young Women's Christian Association of Plainfield and North Plainfield (232 W. Front St.) | Tudor Revival | architecture, social history | 1925-1949, 1900-1924 |