HVAC companies in Baltimore, MD 21211
2 HVAC companies, with local market data for this ZIP.
General contractors 17Carpentry, drywall and windows 3Roofing and exteriors 3HVAC 2Other construction trades 2Painting 1Garage doors 1Electricians 1Remodeling 1
Area profitability, HVAC54 / 100Moderate market, balanced field
Typical home value$278,000−1.8% in the past year
New homes permitted, 2025543Baltimore County
Homeowners60.5%8,394 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Apollo Plumbing & HeatingHVAC contractor · 3678 Falls Rd, Baltimore(410) 243-0058 · apolloservices.biz
R E Harrington Plumbing & Heating IncHVAC contractor · Baltimore(410) 466-4800 · 20 drivers, 39 trucks
HVAC in ZIP 21211 at a glance
Local building angle: Baltimore County permitted 543 new homes in 2025, including 289 apartment units. 12% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.