21057, Market Trends

• There are 13 active listings and 2 new listings in 21057, MD.
• In 21057, MD, homes sold for a median price of $849,999 in April 2026.
• On average, properties in Glen Arm, MD sell after 50 days on the market compared to 26 days last year.
• 12 homes were sold in Glen Arm, MD in April 2026, up from 18 last year.
• Glen Arm, MD is part of the Baltimore County R-1 School District, with 1 Elementary School, 0 Middle School, and 0 High School.