Construction trade companies in Glen Arm, MD 21057
2 construction trade companies, with local market data for this ZIP.
General contractors 7HVAC 4Other construction trades 2Concrete and masonry 2Remodeling 2Garage doors 1
Area profitability, other construction trades67 / 100Strong market, crowded field
Typical home value$644,000+2.6% in the past year
New homes permitted, 20251,531Baltimore County
Homeowners85.1%1,556 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Alaria LLCMetal fabricator · 5234 Glen Arm Rd E, Glen Armalariatech.com
Cedar Ridge Landscape IncConstruction trade company · Glen Arm(410) 592-7119 · 6 drivers, 4 trucks
Other construction trades in ZIP 21057 at a glance
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.