HVAC companies in Baltimore, MD 21212
1 HVAC companies, with local market data for this ZIP.
General contractors 5Electricians 2Remodeling 2HVAC 1Concrete and masonry 1Painting 1Carpentry, drywall and windows 1Garage doors 1
Area profitability, HVAC65 / 100Moderate market, balanced field
Typical home value$336,000+0.8% in the past year
New homes permitted, 2025543Baltimore County
Homeowners68.8%12,787 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Calvert Plumbing & HeatingHVAC contractor · 5806 York Rd, Baltimore(410) 323-5400 · calvertinc.com · 1 driver, 2 trucks
HVAC in ZIP 21212 at a glance
Local building angle: Baltimore County permitted 543 new homes in 2025, including 289 apartment units. 4% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.