Garrett Park’s post office opened in 1890, and 36% of its homes were built before 1940
1 place in town is on the National Register, among them a historic district with 240 buildings. Below: 1 old photo or paper, maps from 1908 on, and the census since 1900.
Garrett Park was an early planned community, originally promoted by businessman Henry W. Copp, who purchased the land in 1886. Copp wanted to build a suburban development reminiscent of an English village, and even went so far as to name the streets after locations in the novels of the English author Walter Scott, such as Kenilworth and Strathmore. Copp worked in conjunction with the Baltimore and Ohio Railroad, which in 1893 built a train station. Builders were given reduced rates to transport workers and materials to the town site, and new residents were given free trips to move in. The town lies along the former B&O railway corridor (now used by CSX, Amtrak, and MARC). It was named for John Work Garrett, who had led the B&O for nearly three decades, including during the American Civil War. Copp limited commercial development in the community. Today the town has a four-star restaurant…
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (12), the National Register of Historic Places (1), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.