Goodnow Library

{{Use mdy dates|date=February 2025}}

{{Infobox NRHP

| name = Goodnow Library

| nrhp_type =

| image = Goodnow Library, December 2012, South Sudbury MA.jpg

| caption = Goodnow Library: Sudbury, Massachusetts

| location = 21 Concord Rd., Sudbury, Massachusetts

| coordinates = {{coord|42|21|47|N|71|25|2|W|display=inline,title}}

| locmapin = Massachusetts#USA

| area =

| built = 1862

| architect = Joseph R. Richards, et al.

| architecture = Romanesque, Octagon Mode

| added = May 22, 2002

| refnum = 02000549

{{NRISref|2008a}}

}}

The Goodnow Library is an historic public library building located at 21 Concord Road in Sudbury, Massachusetts. It is named for Sudbury-native John Goodnow II, who died in 1851 and left to the town of Sudbury a {{convert|3|acre|adj=on}} site for a library, $2,500 to build it, and $20,000 to buy books and to maintain it.{{Cite web |title=About Us - Goodnow Library |url=https://goodnowlibrary.org/about/our-library/about-us/ |url-status=live |archive-url=https://web.archive.org/web/20221202105236/https://goodnowlibrary.org/about/our-library/about-us/ |archive-date=2 December 2022 |access-date=16 March 2023 |website=Goodnow Library}} Construction of the two-story octagon-shaped building began in 1862 and was finished in 1863. In the 1990s, the library was expanded to its present size, but the original octagon survives as a reading room.{{cite web |url=https://www.sudbury.org/history |title=Sudbury History |website=Sudbury Chamber of Commerce |access-date=June 28, 2022}}{{Cite web |url=http://www.sudbury.ma.us/mapnav/images/goodnow.png |title=Floor plan of present library showing octagon |access-date=2008-06-27 |archive-url=https://web.archive.org/web/20071217101702/http://sudbury.ma.us/mapnav/images/goodnow.png |archive-date=2007-12-17 |url-status=dead }}

On May 22, 2002, it was added to the National Register of Historic Places.