In 1854, George Gelbach and Elias Heiner purchased 314 acres near Washingtonville, a mill village.

Though the original homes were designed as summer houses, Gelbach envisioned that Mount Washington would eventually become a suburb of Baltimore.

[6] Prior to the passage of the Fair Housing Act of 1968, racially restrictive covenants were used in Baltimore to exclude African-Americans and other minorities.

Light Rail service operates to downtown Baltimore, Hunt Valley, and BWI Airport every 10–15 minutes at most times.

MTA also operates three public bus lines in Mount Washington Village, all of which originate at the Reisterstown Plaza Metro Subway Station.

The NBAC is a team of many Olympic swimmers including Michael Phelps, Chase Kalisz, Katie Hoff, Patrick Kennedy, Theresa Andrews, Anita Nall, Beth Botsford, Whitney Metzler, and Allison Schmitt.