HVAC companies in Baltimore, MD 21230
3 HVAC companies, with local market data for this ZIP.
General contractors 40Roofing and exteriors 11Other construction trades 9Remodeling 5Electricians 5Flooring and tile 4Concrete and masonry 4HVAC 3Painting 3Garage doors 2
Area profitability, HVAC58 / 100Moderate market, balanced field
Typical home value$265,000−2.0% in the past year
New homes permitted, 2025543Baltimore County
Homeowners50.7%16,003 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Amazing Plumbing, Heating & AirHVAC contractor · 2630 Georgetown Rd, Baltimore(410) 864-9280 · amazinghvac.com · 2 drivers, 5 trucks
Quality Refrigeration ServicesHVAC contractor · 3103 Magnolia Ave, Baltimore(410) 355-6010 · qualityrefrigerationservices.com
Sds MechanicalHVAC contractor · 1442 E Fort Ave, Baltimore(410) 244-6402 · sdsmechanical.com
HVAC in ZIP 21230 at a glance
Local building angle: Baltimore County permitted 543 new homes in 2025, including 289 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.