HVAC companies in Gwynn Oak, MD 21207
1 HVAC companies, with local market data for this ZIP.
General contractors 19Electricians 4Remodeling 3Roofing and exteriors 3Concrete and masonry 2Painting 1HVAC 1Garage doors 1Other construction trades 1
Area profitability, HVAC54 / 100Moderate market, balanced field
Typical home value$288,000+0.7% in the past year
New homes permitted, 20251,531Baltimore County
Homeowners60.7%19,608 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Enova Heating & Air ConditioningHVAC contractor · 6717 Alter St, Gwynn Oak(804) 534-4377 · enovaheatingairconditioning.com
HVAC in ZIP 21207 at a glance
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 5% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.