Is Glen Arm, MD 21057 a buyer’s or seller’s market?
Glen Arm is a seller’s market. With about 2.4 months of supply and 58% of recent sales closing above the original list price, competing offers are common on well-priced homes. Buyers here often have a pre-approval in hand and a plan for the appraisal gap before touring.
The Glen Arm housing market right now
In the three months ending August 31, 2026, 58% of homes in Glen Arm, MD 21057 sold above their list price, the typical home went under contract in 21 days and there were 2.4 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 12 home sales.
Compared with the same period a year earlier, the share selling over asking rose from 42%, homes sold about as fast and the median sale price fell 25% to $537,268. Overall, Glen Arm is more competitive than a year ago, so tougher for buyers.
Within Baltimore County, homes here sell faster than in 88% of the county’s ZIP codes, and sell more often over asking than in 94%.
Nearby, buyers who want less competition could look at Upperco 21155 (0% sold over asking) or Hydes 21082 (0% sold over asking), while Catonsville 21228 (63% sold over asking) and Monkton 21111 (61% sold over asking) are even more competitive.
Run the numbers for 21057
Nearby markets
Baldwin 21013Seller’s market $238 /sq ftBaltimore 21209Seller’s market $215 /sq ftButler 21023 $99 /sq ftCatonsville 21228Seller’s market $239 /sq ft Browse all markets →Towns like Glen Arm nearby
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Questions about Glen Arm real estate
Is Glen Arm a buyer’s or seller’s market?
A seller’s market: there were 2.4 months of supply in Glen Arm, MD 21057 in the three months ending August 31, 2026. Under four months usually favors sellers, and more than six favors buyers.
How fast do homes sell in Glen Arm?
The typical home went under contract in 21 days in the latest three months.
Do homes in Glen Arm sell over asking?
58% of homes sold above their original list price, and the typical sale closed at 103.1% of the list price.
What are property taxes in Glen Arm?
About 1.07% of a home’s value a year in Baltimore County, or roughly $4,280 on a $400,000 home.
What is the median home price in Glen Arm?
The median sale price was $537,268 in the three months ending August 31, 2026, about $206 per square foot.
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Market data describes housing activity only. Figures are rolling 3-month values from Redfin and may be revised. Methodology